LXi-1900 Electric Fire Pump Controller Wye-Delta Open Transition
Brand:
Metron/Metron-Eledyne
Model LXi-1900 is a combined automatic and manual wye-delta reduced current fire pump controllers applied where the capacity of the power source does not permit across-the-line starting of the motor. The controllers are used with special six (6) or twelve (12) lead squirrel cage motors designed for wye-delta starting.The motor is started connected in wye, drawing approximately 33% of the locked rotor current and producing approx. 33% of its locked rotor torque. After a short time delay, the controller transitions the motor to the delta connection. The motor current & torque jump to the across-the-line current & torque at the speed at which the transition takes place. The current quickly falls to its normal running current as the motor accelerates to full speed.
LXi Microprocessor Logic & Control
Coordinated design engineered, built, tested and labeled by one manufacturer
Suitable for use as service entrance equipment
Full compliment of visual indicators
Communications port
LCD display shows simultaneous reading of all phases for amps and volts, and system pressure