We are offering automatic voltage regulating relay with tpi. Mc's automatic voltage regulating relay with digital tap position indicator, type : hx-4000. description :nmcs microcontroller based automatic voltage regulating relays (avr relays) are latest technology based relays used for regulating the secondary voltage of power transformers with on load tap changer (oltc). The parameter settings are made through the front panel keys & are stored in nvram. Independent time delays can be set for first control pulse & subsequent pulses. Built-in tap displays tap number of power transformer. Oltc is blocked for uv, ov, oc, cf, minmax tap positions & tap fail . In manual mode, tap raiselower can be achieved through front keys. In test mode, relays, display and led indications can be checked. A pair of contacts are available for raise, lower, uv, ov, manual mode, cf, tf & oc. There are two nos. Of 5 amps c.t.s available, one for the over current blocking and l.d.c. & other for measuring the current. Features :microcontroller based architecture with ad converter. password protected. auxiliary supply : 85v-265v acdclinear or inverse time response. relay on timerbuilt-in tap position indicator upto 40 taps. readout of primary secondary voltages, current & tap no. readout of kv ki voltage & current. 7 segment bright red led displays. independent lower, raise & nominal value settings. blocking for uv, ov, oc, control fail, tap fail & minmax tap no. auto manual mode of operation. test mode & factory reset mode. single pulse or continuous pulse operation. line drop compensator (l.d.c.). data logging. modbus rs 485rtc4-20ma output from pt voltage & tpi for scada. pt display of 433v instead of 110v. over current blocking. additional c.t. For measuring the currentblocking for min. & max. Tap no. master slave features.

Nmcs microcontroller based automatic voltage regulating relays (avr relays) are latest technology based relays used for regulating the secondary voltage of power transformers with on load tap changer (oltc). The parameter settings are made through the front panel keys & are stored in nvram. Independent time delays can be set for first control pulse & subsequent pulses. Built-in tap displays tap number of power transformer. Oltc is blocked for uv, ov, oc, cf, minmax tap positions & tap fail . In manual mode, tap raiselower can be achieved through front keys. In test mode, relays, display and led indications can be checked. A pair of contacts are available for raise, lower, uv, ov, manual mode, cf, tf & oc. There are two nos. Of 5 amps c.t.s available, one for the over current blocking and l.d.c. & other for measuring the current. features :microcontroller based architecture with ad converter. password protected. auxiliary supply : 85v-265v acdclinear or inverse time response. relay on timerbuilt-in tap position indicator upto 40 taps. readout of primary secondary voltages, current & tap no. readout of kv ki voltage & current. 7 segment bright red led displays. independent lower, raise & nominal value settings. blocking for uv, ov, oc, control fail, tap fail & minmax tap no. auto manual mode of operation. test mode & factory reset mode. single pulse or continuous pulse operation. line drop compensator (l.d.c.). data logging. modbus rs 485rtc4-20ma output from pt voltage & tpi for scada. pt display of 433v instead of 110v. over current blocking. additional c.t. For measuring the currentblocking for min. & max. Tap no. master slave features.

THESENMCMAKEAUTO RECLOSING RELAYSARE SPECIALLY DESINGED FOR VARIOUS CONTROL PANELS AND MOTOR CONTROL PANELS.OUR RELAYS ARE VERY COST EFFICIENT AND EASY TO OPERATER.IT COMES IN A STANDARD SIZE OF : 96 mm * 96 mm * 65mm.

THIS AUTO RECOLSING RELAY IS OF TWO TYPES:
1) AUTO RECLOSING RELAY - TYPE S.S.
Auto Reclosing Relay with adjustable time delay between 4 to 10 seconds.
THIS S.S. TYPE RELAY CONSISTS OF JUST A SINGLE SHOT .THERE IS A TRIGGER WHICH WHEN IS SWITCHED ON, THE TIMER GETSON AND WITHIN 4 SECONDS TO 10 SECONDS THERELAY IS TRIPPED AND THETIMER IS SWITCHED OFF ACCORDINGLY TO THE VOLTAGE WITHIN THE CIRCUIT.

2) AUTO RECLOSING RELAY - TYPE D.S.Auto Reclosing relay with adjustable time delay between10 sec to 60 sec. for 1st shot and 30 to 180 sec. for 2nd shot.

Introduced in 2000. the instruments are used for variety of control, alarm and tripping applications.
The instruments serve to replce other more expensive equipments.
These meters are exclusively developed at NMC for utter reliability under Industrial Conditions.
The KW (&MW) and Kvar (&Mvar) meters employ a true 4-quadrant multiplier exclusively developed at NMC for accurate true RMS measrement.
This instruments are fully solid state, field proven reliability, microcontrol design, low power consumption and avalable for LT & HT application.

Features:

Available for current AC & DC, Voltage AC & DC, Frequency Process signals 4 20 mA & 0-5 V DC, KW (MW) for single, double & triple element single and three phase and Kvar (Mvar) for double element three phase.

MRD-A : Used for over current under current protection.

MRD-V : Used for over Voltage, under Voltage protection.

MRD-F : Used for over Frequency under Frequency.

MRD-PV:Used for over Process applicationin conjunction with process transducers.

MRD-W: Used for Over load underload alarm & trip.

MRD-W: Used for Demand Monitoring- alarm and trip.

MRD-W: Used for economical running of star-delta amotors.

MRD-var:Used for Single Step Kvar control for HT or LT application.

MRD-W+ MRD-var: Used for Import / Export of power.

DimensionS: 96mmX96mmX100mm

automatic voltage regulating relayis of two types
type-n-101 size: 135 mm(h) 330 mm(w) 250mm(d)	type-n-101 96 mm(h) 192mm(w) 200mm(d)

	solid statecontrol using latest c-mos, integrated ckts,
	compact panel mounting type design
	digital read out for pt sec, pt set & dead band settings,
	led indication for supply, raise, lower & under voltage,
	condition, continuously variable time delay setting,
	automatic resetting after voltagecorrection,
	single pulse operation of control relays
	selfrrestfacility
	under voltagealarm contact with internal blocking.:

.

We are offering avr relay. mc's automatic voltage regulating relay, type : vx-3000. description :nmcs microcontroller based automatic voltage regulating relays (avr relays) are latest technology based relays used for regulating the secondary voltage of power transformers with on load tap changer (oltc). The parameter settings are made through the front panel keys & are stored in nvram. Independent time delays can be set for first control pulse & subsequent pulses. Built-in tap displays tap number of power transformer. Oltc is blocked for uv, ov, oc, cf, minmax tap positions & tap fail . In manual mode, tap raiselower can be achieved through front keys. In test mode, relays, display and led indications can be checked. A pair of contacts are available for raise, lower, uv, ov, manual mode, cf, tf & oc. There are two nos. Of 5 amps c.t.s available, one for the over current blocking and l.d.c. & other for measuring the current. features :microcontroller based architecture with ad converter. password protected. auxiliary supply : 85v-265v acdclinear or inverse time response. relay on timerbuilt-in tap position indicator upto 40 taps. readout of primary secondary voltages, current & tap no. readout of kv ki voltage & current. 7 segment bright red led displays. independent lower, raise & nominal value settings. blocking for uv, ov, oc, control fail, tap fail & minmax tap no. auto manual mode of operation. test mode & factory reset mode. single pulse or continuous pulse operation. line drop compensator (l.d.c.). data logging. modbus rs 485rtc4-20ma output from pt voltage & tpi for scada. pt display of 433v instead of 110v. over current blocking. additional c.t. For measuring the currentblocking for min. & max. Tap no. master slave features.

We are offering MC's AUTOMATIC VOLTAGE REGULATING RELAY with Digital Tap Position Indicator, TYPE : VX-4000. DESCRIPTION :NMCs Microcontroller based Automatic Voltage Regulating Relays (AVR Relays) are latest technology based Relays used for regulating the secondary voltage of Power TransChanger (OLTC). The Parameter settings are made through the front panel keys & are stored in NVRAM. Independent time delays can be set for first control pulse & subsequent pulses. Built-in Tap displays Tap number of Power Transformer. OLTC is blocked for UV, OV, OC, CF, MinMax Tap Positions & Tap Fail . In manual mode, Tap RaiseLower can be achieved through front keys. In TEST mode, Relays, Display and LED indications can be checked. A pair of contacts are available for Raise, Lower, UV, OV, Manual Mode, CF, TF & OC. There are two nos. Of 5 Amps C.T.s available, one for the Over Current blocking and L.D.C. & other for measuring the Current. FEATURES :Microcontroller based architecture with AD Converter. Password Protected. Auxiliary Supply : 85V-265V ACDCLinear or Inverse Time Response. Relay ON TimerBuilt-in Tap Position Indicator upto 40 Taps. Readout of Primary Secondary Voltages, Current & Tap No. Readout of KV KI Voltage & Current. 7 segment bright red LED Displays. Independent Lower, Raise & Nominal value settings. Blocking for UV, OV, OC, Control Fail, Tap Fail & MinMax Tap No. Auto Manual Mode of Operation. Test Mode & Factory Reset Mode. Single pulse or Continuous pulse operatio.

CONTROLS BasicPowerFactor: The value at which that power factor is to beset is selected by means of this control, which has a calibrated dialfrom0.81agto 1.00.DeadBand:Dependinguponthe KVARcapacityofeach capacitortobe switched the, relay response sensitivityhas to be adjusted. Thedead band control serves to adjust this, so that hunting isavoidedDeadBandControl: . AtMinimum-::'::3 ElectricalAtMaximum- ::'::13Electrical SPECIFICATION Voltage: 400 or 415 or 440V 3 Ph. 3. wire, 50 Hz, 2.5 VA(J ]OVAC.forHTapplication).Current: Through 5 Amp. CTsecondary on RPhase of incomer.3VA(1Amp model on request).Output: Each capacitor control relay is provided with one changeover contaa rated formaximum 230VAC/5Amps.resistiveload.P.FA. djustment range: 0.81agto 1.00.P.F. Meter range: 0.61agto 0.6Iead. Digital automatic control relay for intelligent control of capacitor bank.Simple Commissioning: By automatic identificaton of threshold current(c/k value), phase angle, connected capacitor stages and switching sequences.Operator Overview: Through clear display of key momentary values and operating parameter. a.Power factor (cos ) b.Apparent (RMS), active and reactive currents c.5th, 7th , 11th , 13th harmonic voltage content d.Total Capacitive power required to meet target power factor setting Monitoring of Harmonic Levels: By continuous monitoring and display of harmonic voltage levels. In the event of harmonic levels exceeding programmable limits, all capacitors will be switched off through over-current alarm. Additional Protection for Capacitors: The RMS current monitoring function provides excellent protection for capacitor bank without harmonic filters, especially when resonancecause an increase in harmonic levels. Potential-free alarm contact. Programmable overcurrent alarm threshold limit(from 1.05 to 3.0 x Irms). Continuous monitoring for defective capacitor stages through self adjustment of control program. Zero voltage and zero current tripping with alarm signal. Kinked" control curve characteristics avoid overcompensation under light load. Four-quadrant power control with LED display when active power is generated into mains. Manual/automatic operation with ability to switch each individual capacitor stage ON or OFF. Target power factor setting adjustable from 0.80 inductive to 0.95 capacitive in steps of 0.01. Preset up to three fixed capacitor stages which will be excluded from normal automatic operation. Independent setting of capacitor swithcing time to match discharge time of capacitor stages. Suitable for current transformers with rated secondary current of 1A-5A. Alarm Signals for: a. Undercompensationb.High harmonic levelsc.Overcurrentd.Switching counterse. Fault in voltage circuit (U = 0 alarm)f. Fault in current circuit (I = 0 alarm)g.Fault in capacitor stages (C = 0 alarm) PF Target Power Factor (1.70 to 1.00) PF Cap / Ind : Lagging /Leading Target Power Factor. Dead band : Dead band for target Power Factor (0.00 t0 0.30). Corr. Delay : Capacitor - switching delay (1 to 250). Ct Rating 1A / 5A : Current rating for the current transformer/ (select 1 AMP if the CT input is received through the select 5Amp if the CT input is received through the R5 pin of the power connector). Ct Ratio : turns ratio for the current transformer (1 to 200) Program No : Program No. ( 1 to 33) (refer the program no. chart). CB1 KVAr : KVAr rating of the first Capacitor Bank connected (0.5 to 99.5 KVAr)

We are offering automatic voltage regulating relay with tpi. Mc's automatic voltage regulating relay with digital tap position indicator, type : hx-4000. description :nmcs microcontroller based automatic voltage regulating relays (avr relays) are latest technology based relays used for regulating the secondary voltage of power transformers with on load tap changer (oltc). The parameter settings are made through the front panel keys & are stored in nvram. Independent time delays can be set for first control pulse & subsequent pulses. Built-in tap displays tap number of power transformer. Oltc is blocked for uv, ov, oc, cf, minmax tap positions & tap fail . In manual mode, tap raiselower can be achieved through front keys. In test mode, relays, display and led indications can be checked. A pair of contacts are available for raise, lower, uv, ov, manual mode, cf, tf & oc. There are two nos. Of 5 amps c.t.s available, one for the over current blocking and l.d.c. & other for measuring the current. Features :microcontroller based architecture with ad converter. password protected. auxiliary supply : 85v-265v acdclinear or inverse time response. relay on timerbuilt-in tap position indicator upto 40 taps. readout of primary secondary voltages, current & tap no. readout of kv ki voltage & current. 7 segment bright red led displays. independent lower, raise & nominal value settings. blocking for uv, ov, oc, control fail, tap fail & minmax tap no. auto manual mode of operation. test mode & factory reset mode. single pulse or continuous pulse operation. line drop compensator (l.d.c.). data logging. modbus rs 485rtc4-20ma output from pt voltage & tpi for scada. pt display of 433v instead of 110v. over current blocking. additional c.t. For measuring the currentblocking for min. & max. Tap no. master slave features.

Nmcs microcontroller based automatic voltage regulating relays (avr relays) are latest technology based relays used for regulating the secondary voltage of power transformers with on load tap changer (oltc). The parameter settings are made through the front panel keys & are stored in nvram. Independent time delays can be set for first control pulse & subsequent pulses. Built-in tap displays tap number of power transformer. Oltc is blocked for uv, ov, oc, cf, minmax tap positions & tap fail . In manual mode, tap raiselower can be achieved through front keys. In test mode, relays, display and led indications can be checked. A pair of contacts are available for raise, lower, uv, ov, manual mode, cf, tf & oc. There are two nos. Of 5 amps c.t.s available, one for the over current blocking and l.d.c. & other for measuring the current. features :microcontroller based architecture with ad converter. password protected. auxiliary supply : 85v-265v acdclinear or inverse time response. relay on timerbuilt-in tap position indicator upto 40 taps. readout of primary secondary voltages, current & tap no. readout of kv ki voltage & current. 7 segment bright red led displays. independent lower, raise & nominal value settings. blocking for uv, ov, oc, control fail, tap fail & minmax tap no. auto manual mode of operation. test mode & factory reset mode. single pulse or continuous pulse operation. line drop compensator (l.d.c.). data logging. modbus rs 485rtc4-20ma output from pt voltage & tpi for scada. pt display of 433v instead of 110v. over current blocking. additional c.t. For measuring the currentblocking for min. & max. Tap no. master slave features.

THESENMCMAKEAUTO RECLOSING RELAYSARE SPECIALLY DESINGED FOR VARIOUS CONTROL PANELS AND MOTOR CONTROL PANELS.OUR RELAYS ARE VERY COST EFFICIENT AND EASY TO OPERATER.IT COMES IN A STANDARD SIZE OF : 96 mm * 96 mm * 65mm.

THIS AUTO RECOLSING RELAY IS OF TWO TYPES:
1) AUTO RECLOSING RELAY - TYPE S.S.
Auto Reclosing Relay with adjustable time delay between 4 to 10 seconds.
THIS S.S. TYPE RELAY CONSISTS OF JUST A SINGLE SHOT .THERE IS A TRIGGER WHICH WHEN IS SWITCHED ON, THE TIMER GETSON AND WITHIN 4 SECONDS TO 10 SECONDS THERELAY IS TRIPPED AND THETIMER IS SWITCHED OFF ACCORDINGLY TO THE VOLTAGE WITHIN THE CIRCUIT.

2) AUTO RECLOSING RELAY - TYPE D.S.Auto Reclosing relay with adjustable time delay between10 sec to 60 sec. for 1st shot and 30 to 180 sec. for 2nd shot.

Introduced in 2000. the instruments are used for variety of control, alarm and tripping applications.
The instruments serve to replce other more expensive equipments.
These meters are exclusively developed at NMC for utter reliability under Industrial Conditions.
The KW (&MW) and Kvar (&Mvar) meters employ a true 4-quadrant multiplier exclusively developed at NMC for accurate true RMS measrement.
This instruments are fully solid state, field proven reliability, microcontrol design, low power consumption and avalable for LT & HT application.

Features:

Available for current AC & DC, Voltage AC & DC, Frequency Process signals 4 20 mA & 0-5 V DC, KW (MW) for single, double & triple element single and three phase and Kvar (Mvar) for double element three phase.

MRD-A : Used for over current under current protection.

MRD-V : Used for over Voltage, under Voltage protection.

MRD-F : Used for over Frequency under Frequency.

MRD-PV:Used for over Process applicationin conjunction with process transducers.

MRD-W: Used for Over load underload alarm & trip.

MRD-W: Used for Demand Monitoring- alarm and trip.

MRD-W: Used for economical running of star-delta amotors.

MRD-var:Used for Single Step Kvar control for HT or LT application.

MRD-W+ MRD-var: Used for Import / Export of power.

DimensionS: 96mmX96mmX100mm

automatic voltage regulating relayis of two types
type-n-101 size: 135 mm(h) 330 mm(w) 250mm(d)	type-n-101 96 mm(h) 192mm(w) 200mm(d)

	solid statecontrol using latest c-mos, integrated ckts,
	compact panel mounting type design
	digital read out for pt sec, pt set & dead band settings,
	led indication for supply, raise, lower & under voltage,
	condition, continuously variable time delay setting,
	automatic resetting after voltagecorrection,
	single pulse operation of control relays
	selfrrestfacility
	under voltagealarm contact with internal blocking.:

.

We are offering avr relay. mc's automatic voltage regulating relay, type : vx-3000. description :nmcs microcontroller based automatic voltage regulating relays (avr relays) are latest technology based relays used for regulating the secondary voltage of power transformers with on load tap changer (oltc). The parameter settings are made through the front panel keys & are stored in nvram. Independent time delays can be set for first control pulse & subsequent pulses. Built-in tap displays tap number of power transformer. Oltc is blocked for uv, ov, oc, cf, minmax tap positions & tap fail . In manual mode, tap raiselower can be achieved through front keys. In test mode, relays, display and led indications can be checked. A pair of contacts are available for raise, lower, uv, ov, manual mode, cf, tf & oc. There are two nos. Of 5 amps c.t.s available, one for the over current blocking and l.d.c. & other for measuring the current. features :microcontroller based architecture with ad converter. password protected. auxiliary supply : 85v-265v acdclinear or inverse time response. relay on timerbuilt-in tap position indicator upto 40 taps. readout of primary secondary voltages, current & tap no. readout of kv ki voltage & current. 7 segment bright red led displays. independent lower, raise & nominal value settings. blocking for uv, ov, oc, control fail, tap fail & minmax tap no. auto manual mode of operation. test mode & factory reset mode. single pulse or continuous pulse operation. line drop compensator (l.d.c.). data logging. modbus rs 485rtc4-20ma output from pt voltage & tpi for scada. pt display of 433v instead of 110v. over current blocking. additional c.t. For measuring the currentblocking for min. & max. Tap no. master slave features.

We are offering MC's AUTOMATIC VOLTAGE REGULATING RELAY with Digital Tap Position Indicator, TYPE : VX-4000. DESCRIPTION :NMCs Microcontroller based Automatic Voltage Regulating Relays (AVR Relays) are latest technology based Relays used for regulating the secondary voltage of Power TransChanger (OLTC). The Parameter settings are made through the front panel keys & are stored in NVRAM. Independent time delays can be set for first control pulse & subsequent pulses. Built-in Tap displays Tap number of Power Transformer. OLTC is blocked for UV, OV, OC, CF, MinMax Tap Positions & Tap Fail . In manual mode, Tap RaiseLower can be achieved through front keys. In TEST mode, Relays, Display and LED indications can be checked. A pair of contacts are available for Raise, Lower, UV, OV, Manual Mode, CF, TF & OC. There are two nos. Of 5 Amps C.T.s available, one for the Over Current blocking and L.D.C. & other for measuring the Current. FEATURES :Microcontroller based architecture with AD Converter. Password Protected. Auxiliary Supply : 85V-265V ACDCLinear or Inverse Time Response. Relay ON TimerBuilt-in Tap Position Indicator upto 40 Taps. Readout of Primary Secondary Voltages, Current & Tap No. Readout of KV KI Voltage & Current. 7 segment bright red LED Displays. Independent Lower, Raise & Nominal value settings. Blocking for UV, OV, OC, Control Fail, Tap Fail & MinMax Tap No. Auto Manual Mode of Operation. Test Mode & Factory Reset Mode. Single pulse or Continuous pulse operatio.

CONTROLS BasicPowerFactor: The value at which that power factor is to beset is selected by means of this control, which has a calibrated dialfrom0.81agto 1.00.DeadBand:Dependinguponthe KVARcapacityofeach capacitortobe switched the, relay response sensitivityhas to be adjusted. Thedead band control serves to adjust this, so that hunting isavoidedDeadBandControl: . AtMinimum-::'::3 ElectricalAtMaximum- ::'::13Electrical SPECIFICATION Voltage: 400 or 415 or 440V 3 Ph. 3. wire, 50 Hz, 2.5 VA(J ]OVAC.forHTapplication).Current: Through 5 Amp. CTsecondary on RPhase of incomer.3VA(1Amp model on request).Output: Each capacitor control relay is provided with one changeover contaa rated formaximum 230VAC/5Amps.resistiveload.P.FA. djustment range: 0.81agto 1.00.P.F. Meter range: 0.61agto 0.6Iead. Digital automatic control relay for intelligent control of capacitor bank.Simple Commissioning: By automatic identificaton of threshold current(c/k value), phase angle, connected capacitor stages and switching sequences.Operator Overview: Through clear display of key momentary values and operating parameter. a.Power factor (cos ) b.Apparent (RMS), active and reactive currents c.5th, 7th , 11th , 13th harmonic voltage content d.Total Capacitive power required to meet target power factor setting Monitoring of Harmonic Levels: By continuous monitoring and display of harmonic voltage levels. In the event of harmonic levels exceeding programmable limits, all capacitors will be switched off through over-current alarm. Additional Protection for Capacitors: The RMS current monitoring function provides excellent protection for capacitor bank without harmonic filters, especially when resonancecause an increase in harmonic levels. Potential-free alarm contact. Programmable overcurrent alarm threshold limit(from 1.05 to 3.0 x Irms). Continuous monitoring for defective capacitor stages through self adjustment of control program. Zero voltage and zero current tripping with alarm signal. Kinked" control curve characteristics avoid overcompensation under light load. Four-quadrant power control with LED display when active power is generated into mains. Manual/automatic operation with ability to switch each individual capacitor stage ON or OFF. Target power factor setting adjustable from 0.80 inductive to 0.95 capacitive in steps of 0.01. Preset up to three fixed capacitor stages which will be excluded from normal automatic operation. Independent setting of capacitor swithcing time to match discharge time of capacitor stages. Suitable for current transformers with rated secondary current of 1A-5A. Alarm Signals for: a. Undercompensationb.High harmonic levelsc.Overcurrentd.Switching counterse. Fault in voltage circuit (U = 0 alarm)f. Fault in current circuit (I = 0 alarm)g.Fault in capacitor stages (C = 0 alarm) PF Target Power Factor (1.70 to 1.00) PF Cap / Ind : Lagging /Leading Target Power Factor. Dead band : Dead band for target Power Factor (0.00 t0 0.30). Corr. Delay : Capacitor - switching delay (1 to 250). Ct Rating 1A / 5A : Current rating for the current transformer/ (select 1 AMP if the CT input is received through the select 5Amp if the CT input is received through the R5 pin of the power connector). Ct Ratio : turns ratio for the current transformer (1 to 200) Program No : Program No. ( 1 to 33) (refer the program no. chart). CB1 KVAr : KVAr rating of the first Capacitor Bank connected (0.5 to 99.5 KVAr)