Ideal for random starting of multiple units. Adjusts from 6 s to 8 min. Spin proof knob. Works with 24, 120 or 240 VAC control circuits. Supports up to 1.5 A. Two wire hookup for easy installation. Solid state with quick-disconnect terminals. Mounts with one self-tapping screw. Conformal coated circuitry protects against moisture and shock. UR recognized for US and Canada. Works with anticipator type thermostats.