Product Datasheet WS1277W2 -- Passive Infrared Wall Switch for Dual-Level Lighting Hubbell WS1277W2 passive infrared wall switch sensor is a double pole, single throw wall switch with two separate relays. This wall switch can be used for dual level switching from one or two circuits. Product Specifications Product Type Voltage 120/277V AC, 50/60 Hz Sensor Location Standard Sensing Technology Passive Infrared # of Circuits 2 Color Link to Drawing Library Click here for Library Link to PDF Catalog Click here for Catalog