The 236 series voltage sensor Combines solid state sensing circuitry with a SPDT 13 amp relay or a DPDT 10 amp relay. The single pole version has recessed potentiometers for adjustment. The double pole version has knob adjustments. Pull-in voltage is 75 to 115% of nominal voltage. Dropout is 75 to 95% of set pick up. Applications: Brownout protection, warning of under voltage condidtions and over voltage protection. For PDF click Here.