FeaturesHigh efficiency switching power supplyBZ-50 power pack is comprised of Teflon coated low voltage leads and an ABS, UL 2043 and 94 V-0 plastic resin enclosure that is plenum ratedZero crossing for reliability and increased product lifeOvercurrent protection (low voltage)Self-contained power supply relay systemEfficient switching power supply providing optimized current output based on number of sensorsLED indicates status of relay or if there is a low voltage over currentZero crossing circuitry for reliability and increased product life20 A at 120 to 277 VAC for ballast and 20 A at 120 VAC for incandescentLow voltage leads are rated for 300 VACUL94 V-0 gray plastic enclosureUL 2043 plenum rated for cost-effective installation1/2 in snap-in nipple attaches to standard electrical enclosures through 1/2 in knockouts14 AWG wires on the relay for 20 A operation