MAIN CHARACTERISTICS range of product HARMONY XB4 product or component type LIGHT BLOCK device short name ZBV sale per indivisible quantity 4 connections - terminals SPRING CLAMP TERMINALS signalling type STEADY light source PROTECTED LED bulb base INTEGRAL LED light block supply DIRECT light source colour WHITE [Us] rated supply voltage 24 V ACDC 5060 HZ COMPLEMETARY CHARACTERISTICS product weight 0.016 KG supply voltage limits 19.2..30 V DC current consumption 18 MA service life 100000 H AT RATED VOLTAGE AND 25 C surge withstand 1 KV CONFORMING TO IEC 61000-4-5 mounting of block FRONT MOUNTING electrical composition code M1 compatibility code ZBV