IMM8001 / IMM8002 – Motor Protection
Products family : Motor Protection
Sector : Industry
The IMM 8000 range is designed to protect medium to high power MV motors.
As well as the usual protection functions, the IMM 8000 relays provide monitoring, measurement and recording of the electrical quantities of the network.
The IMM 8002 also allows connection of three temperatures sensors (RTDs).
ANSI codes
5 – Thermal start authorization
26 – Temperature device
27 – Undervoltage
27RC – Undervoltage for re-acceleration
27ST – Undervoltage during start sequence
37I – Minimum of load (unpriming) / undercurrent
37P – Loss of load (pump unpriming) / Underpower
46 – Reversal, loss of phase or unbalance phase
48 – Too long start
49 – Thermal overload
50 – Instantaneous overcurrent
51LR – Locked rotor
51N – Earth fault overcurrent
51STALL – Locked rotor during starting
59 – Overvoltage
66 – Limitation of number of starts
86 – Latching of the output contacts