CHINT NCH8 DIN RAIL CONTACTOR CHNT NCH8 Series Modular AC Contactor 20A/25A/40A/63A AC220V Household DIN Rail Mount Contactor 1NO1NC/2NO/2NC/2NO2NC/4NO Single Phase Modular Contactor for Home Lighting & Pump Control Description Original CHNT NCH8 modular household AC contactor, rated current optional:20A/25A/40A/63A, standard coil voltage AC220/230V; rich contact configurations:02(2NC),11(1NO+1NC),20(2NO),22(2NO+2NC),40(4NO). Compact modular body for 35mm DIN rail installation, widely used in home central air conditioning, lighting group control, water pump, villa household power switching, building automation auxiliary circuit control. Full Contact Options:5 mainstream contact combinations(2NC/1NO1NC/2NO/2NO2NC/4NO), match different circuit interlock & switching needs for home electrical design. Modular DIN Rail Design:Compact modular size same as miniature circuit breaker, directly snap onto standard 35mm DIN rail inside PZ30 distribution box, neat cabinet wiring. Stable AC220V Coil:Standard AC220/230V 50Hz control coil, stable pull-in performance, low noise during long-term continuous switching operation. Wide Current Range:20A~63A four current grades, cover small lighting load to high-power water pump/central air conditioner household loads. Household Specialized:Designed for AC-7a/AC-7b domestic load, ideal for villa whole-house lighting centralized control, water pump, small charging pile automatic power on-off control. Specification ITEM VALUE Brand CHNT Model NCH8-20 / NCH8-25 / NCH8-40 / NCH8-63 Rated Current 20A/25A/40A/63A Coil Voltage AC220V/230V(50Hz) Contact Spec /02 2NC /11 1NO+1NC /20 2NO /22 2NO+2NC /40 4NO Installation 35mm DIN -RAIL Product Type Modular Household AC Contactor Application Suitable for centralized whole-house lighting control, central air conditioning, water pump, EV charging pile, and circuit on-off switching of distribution boxes in building automation & residential electrical systems. Working System AC-7a/AC-7b Full Model Parameter Table (4P Versions, Standard AC Coil) Model coding rule: NCH8-[Current]/[Contact Code] 40 = 4NO all normally open; 22 = 2NO+2NC; 31 = 3NO+1NC Suffix /Z = DC coil; -M = with manual test button MPN / MODEL NO. Item No. Rated AC-7a Current 4P Main Contact Form Rated Voltage NCH8-20/40 NCH8-20/40 20A 4NO 400V AC NCH8-20/22 NCH8-20/22 20A 2NO + 2NC 400V AC NCH8-20/31 NCH8-20/31 20A 3NO + 1NC 400V AC NCH8-25/40 NCH8-25/40 25A 4NO 400V AC NCH8-25/22 NCH8-25/22 25A 2NO + 2NC 400V AC NCH8-25/31 NCH8-25/31 25A 3NO + 1NC 400V AC NCH8-40/40 NCH8-40/40 40A 4NO 400V AC NCH8-40/22 NCH8-40/22 40A 2NO + 2NC 400V AC NCH8-40/31 NCH8-40/31 40A 3NO + 1NC 400V AC NCH8-63/40 NCH8-63/40 63A 4NO 400V AC NCH8-63/22 NCH8-63/22 63A 2NO + 2NC 400V AC NCH8-63/31 NCH8-63/31 63A 3NO + 1NC 400V AC Common Coil Voltage Options AC coil: AC12V / 24V / 48V / 110V / 220/230V DC coil add suffix /Z: NCH8-40/40-Z DC24V Manual test version add -M: NCH8-63/40-M AC230V
