The MotorGuardian or MPA 1000 by ATC Diversified is a microprocessor based overload relay, designed to provide protection for 3-Phase AC motors including motor imbalance, current imbalance, single phasing, phase reversal, ground fault, and motor jams. It offers a broad range of features in one compact package providing a cost effective solution for monitoring and managing motor performance.
A unique feature of the ATC Diversified MPA 1000 is its ease of installation. It is provided with Clamp-On C.T.'s that can accommodate up to 1500 ampere loads. Actual motor operating conditions are accessed by the scrolling menu and viewed by a two line highly visible vacuum fluorescent display. Fault conditions are also displayed indicating the specific cause of the occurring fault. The Included Current Transformer (CT) is .75 inch and rated for 1.5 to 15 amps for this part number. Diversified Part number is MPA1000 01A
Input Voltage: 200-500 VAC 3-Phase Nominal)
Frequency: 50/60 Hz
Phase Sequence: ABC (will not operate CBA)
Output Contact: DPDT; Form 'C' 10 A @ 240 VAC
Alarm Output: SPDT; Form 'C' 10 A @ 240 VAC
Control Voltage: None Required
G.F. Current ±10%
Timing 5% ±1 Second
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