SR469-P5-HI-A20-E Motor protective relay

The SR469-P5-HI-A20-E is a motor protection relay manufactured by GE Multilin for medium voltage motors that provides

integrated management and protection. It features a 5-amp phase CT secondary power supply with a control power range of

70-265 VAC and 90-300 VDC. The unit has an enhanced front panel that includes an RS-232 program port interface with a baud

rate of 9600 and programmable up to 19,200 baud. The front panel has a sealable pull-out handle to prevent any unauthorized removal.

The SR469-P5-HI-A20-E motor protection device has the following protection functions:
Overload protection: When the motor is overloaded, the device will automatically cut off the power to prevent motor damage.
Phase break protection: When the motor has a phase break fault, the device will quickly cut off the power to protect the motor from damage.
Unbalanced protection: When the motor three-phase current is unbalanced, the device will cut off the power supply in time to avoid motor damage.
Blocking protection: When the motor is blocked, the device will quickly cut off the power supply to prevent the motor from overheating and damage.