MP 55A differential pressure control, for ammonia (R717)

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MP 55A differential pressure control, for ammonia (R717) MP 55A differential pressure control, for ammonia (R717) Control voltage: 230 V or 115 V a.c. or d.c. Permissible voltage variation: +10 - -15%. Max. working pressure = 17 bar. Max. test pressure = 22 bar. Operation range, LP side: –1 - 12 bar Pe. Temperature compensation: The time relay is temperature-compensated in the range -40 - +60°C. Screwed cable entry: Pg 13.5. Max. bellows temperature: 100°C. Enclosure: IP 20 to IEC 529. Contact differential max. 0.2 bar, factory setting: 0.65 bar, differential 0.3 - 4.5 bar.