KCM-51-V. Type. Electromechanical summator. 5 decade devices. Counter frequency 10 Hz. Manual reset. Power supply 230 V AC. Fixing with latch fastener for easy installation. Degree of protection IP42 in accordance with DIN EN 60529 (front only). Shock resistance in accordance with DIN EN 60068-2-27. Vibration resistance in accordance with DIN EN 60068-2-6. Up to SIL 2 (SC 3) acc. to IEC/EN 61508