The PAIR module is designed for use with induction motors that require protection against both overload and underload conditions.
Overcurrent sensing with inverse time delay response
Sensitive underload protection by power factor measurement
Integral current transformer up to 32A
Current range can be extended with external current transformers
Adjustable start up and reset delays
Permanent memory of tripped status in the event of power loss
Indicator lamps for supply and tripped conditions
Reset can be automatic, manual and both local and remote
IP20 enclosure DIN rail mounting
Typical applications include protection against dry pumping for submersible pumps