Under-voltage release. 100 mA peak current. Provides automatic circuit breaker tripping when there is a power loss or major dip (to 35 to 70% of rated voltage) in accessory control voltage. AC devices are UL listed for 50-60 Hz. Product number SAUV1 may be used with time delay unit SPUVTD (delay 0.1 to 1.0 seconds), 120 VAC input, 125 VDC output.