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NPM800 / NPM800R / NPM800RE - Digital motor protection

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NPM800 / NPM800R / NPM800RE - Digital motor protection

Multi-Function Protection

NPM800, NPM800R and NPM800RE handle the protection of medium voltage motors and low voltage high power motors. These multifunction relays analyse the current absorbed by the motor during starting, reacceleration and normal speed phases. They also monitor the proper operation of the circuit breaker and its triggering circuit.

These functions associated with an R type modular unit, thus allow the NPM800R and NPM800RE to be used for quick replacement, by equivalence of function, of the relays in the relay CEE of the series 7000 (mechanical interchangeability.

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Product family: 
Asynchronous Motors
ANSI code : 
5 - Thermal start authorization
37 - Undercurrent or underpower monitor
46 - Reversal, loss of phase or unbalance phase
48 - Too long start
49 - Thermal overload
50 - Instantaneous overcurrent
50BF - Breaker failure with overcurrent
51LR - Locked rotor
51N - Earth fault overcurrent
66 - Restart inhibit / frequent starts
74TC - Trip circuit supervision of the breaker
86 - Latching of the output contacts

NPM800R - NPM800RE

NP800 - NP800R RANGE


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