M60

Product Overview

The Motor Relay M60 by General Electric Multilin is a protective relay designed for motor protection, providing advanced differential, directional, and overvoltage functions.

Stator Differential

• Pickup: 0.050–1.00 pu, steps of 0.01

• Slope 1/2: 1–100%, steps of 1

• Break 1: 1.00–1.50 pu, steps of 0.01

• Break 2: 1.50–30.00 pu, steps of 0.01

Sensitive Directional Power

• Measured Power: 3-phase, true RMS

• Number of Stages: 2

• Characteristic Angle: 0–359°, steps of 1

• Calibration Angle: 0.00–0.95°, steps of 0.05

• Minimum Power: –1.200 to 1.200 pu, steps of 0.001

• Pickup Level Accuracy: ±1% or ±0.001 pu

• Hysteresis: 2% or 0.001 pu

• Pickup Delay: 0–600 s, steps of 0.01

• Time Accuracy: ±3% or ±4 ms

• Operate Time: 50 ms

Auxiliary Overvoltage

• Pickup Level: 0.000–3.000 pu, steps of 0.001

• Dropout Level: 97–98% of Pickup

• Level Accuracy: ±0.5% from 10–208 V

• Pickup Delay: 0–600 s, steps of 0.01

• Reset Delay: 0–600 s, steps of 0.01

• Timing Accuracy: ±3% or ±4 ms

• Operate Time: <30 ms at 1.10 × pickup at 60 Hz

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