Protective Relay

Model: RP7 Order code: RP7-a b

Power controller RP7 type allows to control the delivered power from an a.c. voltage source to a resistance or resistance-inductive receiver of electrical energy and the rotational speed of 1-phase induction motors with a capacitor or commutator motors at small loads.

Model: RP1 Order code: RP1-a b c

The RP1 power controller is destined for automatic temperature control systems in electrothermal devices.

Model: RPL1 Order code: RPL1- a b c dd e f

The area of RPL1 application includes: - electric furnaces and drying structures, especially industrial furnaces and tunnel cap, furnaces for annealing and brazing, and founder crucible furnaces, drying ovens, furnaces with quenching in salt baths; - mechanical engineering equipment, aggregates and extruders for plastics processing, winding machines and tempering springs, spot welding and linear; - production of glass and glazing, plant and equipment for drying in the infrared and ultraviolet, vats for melting glass and heating trays for forming glass furnaces; - chemical and petroleum industry; radiators lining piping, wiring warming

Model: RP3 Order code: RP3-a b

The RP3 power controller is a contactless three-phase power energy electronic device which includes a thyristor connector and an electronic gate triggering system. (GTS)

Model: MDR-2 Order code: MDR-2 No :2912500020-xx

The MDR-2 differential protection relay is a micro processor based control unit containing all necessary functions for monitoring of the differential currents for a synchronous/asynchronous generator or motor (the object). Via current transformers the MDR-2 measures each phase current on both sides of the object. The current transformers determine the limits of the protection area. Any failure within these limits (2- or 3-phase short circuits or earth leaks) will be detected as an error Id: Differential currents, the currents flowing through the two current transformers of the phase in question differ, and, if a preset limit value is exceeded, a warning will be given or a tripping signal transmitted. The MDR-2 dynamic compensation curves for warning and tripping are defined by the user.

Model: Model 252 , Model 253 Order code: 252-PAU , 252-PAO , 253-PAD , 253-PAV , 253-PAP

Current Protectors provide continuous surveillance of circuit . When the measured current the monitored moves outside the set point limit, the relay will operate . An adjustable time delay is provided to prevent the relay from tripping for a predetermined period to prevent nuisance tripping . For 3 phase systems , the sequence of connection is not important .

Model: AC Voltage Relay with adjustable Differential Order code: AC Voltage Relay with adjustable Differential

AC Voltage Differential Relay provides continuous surveillance of the monitored circuit . When the measured voltage moves outside the set point limit , the relay will operate giving an alarm and or initiation signal . An illuminated LED indicates when the relay is energised . The 3 Phase, 3 or 4 wire models protect each phase independently .

Model: RMV-112D , RMV-122D , RMV-132D , RMV-142D Order code: RMV-1xxD No: 2913210yyy-zz

The protective voltage relays types RMV-112D, RMV-122D and RMV-132D form part of a complete DEIF series of relays for protection and control of generators and are applicable to both marine and land-based installations. Also available are voltage relays for single phase measurement (RMV-142D). The voltage relays are applied for protection of generators, motors and transformers against adverse system voltage conditions.

Model: RMF-112D Order code: RMF-112D No :2913360120-xx

The digital, combined under-frequency and over-frequency relay type RMF-112D forms part of a complete DEIF series of relays for protection and control of generators. The relay is type-approved by major classification societies and is applicable to both marine and land-based installations. The RMF-112D is applied for protection against under-frequency and over-frequency by supervising the frequency (of generators) in single phase and 3-phase networks.

Model: AC Voltage Relay With Adjustable Time Delay Order code: AC Voltage Relay With Adjustable Time Delay

AC Voltage Protection Relay provide continuous surveillance of circuit . When the measured voltage the monitored moves outside the setpoint limit , the relay will operate after the selected time delay , giving an alarm and or initiation signal . Relays normally energise on over volts and de-energise on under volts . An illuminated indicates when the relay is LED energised . 3 phase 3 or 4 wire models protect each phase independently.

Model: 252-PHU , 252-PHO , 253-PHD Order code: 252-PHU , 252-PHO , 253-PHD

frequency protectors provide continuous surveillance of the monitored circuit . When the frequency moves outside the set point limit, the relay will operate giving an alarm , control or tripping single . An illuminated LED indicates when the relay is energised.

Model: RMC-111D, RMC-122D, RMC-132D Order code: RMC-1xxD No:2913160yyy-zz

The protective current relays types RMC-111D, RMC-122D and RMC-132D form part of a complete DEIF series of relays for protection and control of generators. The relays are applicable to both marine and land-based installations. Also available are differential current relays (RMC-131D)