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electrical center b2c

CHNT NCH8 Series Modular AC Contactor 20A/25A/40A/63A

$30.00 NZD
$30.00 NZD
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Model NO.
Contact Type

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

Care Instructions