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Transparent rectangular relay with screw terminals and DIN rail clip

Schneider Electric

Schneider Electric CA2KN31G7 Control Relay 3NO/1NC 120VAC 10A

SKU CH-BZYF-7N15P

IEC control relay with 3NO/1NC contacts rated 10 A at 120 VAC, 4.5 VA coil, DIN-rail or surface mount, IP2X

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • IEC-rated control relay for industrial automation
  • 3NO/1NC contact configuration handles multiple circuit paths
  • 120 V AC coil voltage matches standard supply
  • 10 A AC contact rating supports heavy loads
  • DIN-rail and surface mounting simplifies installation

IEC Control Relay 3NO/1NC 120VAC

The Schneider Electric CA2KN31G7 is an IEC control relay designed for industrial automation and electrical control panels. It provides three normally open and one normally closed contact rated at 10 A for AC loads. The coil operates on 120 V AC at 50/60 Hz with a power consumption of 4.5 VA. Mounting options include DIN rail and surface installation for flexible panel layouts.

Replaces relays with lower contact ratings

This relay suits applications requiring 10 A AC switching at 120/240/480/600 V or 2 A DC switching at 125/250/600 V. The jump is worthwhile when upgrading from relays limited to lower current capacity or incompatible coil voltages. It integrates with the TeSys K series for consistent control circuit design across panels.

Screw-clamp terminals

Wiring uses screw-clamp connections suitable for standard control conductors. The IP2X enclosure protects against finger contact but not against water or dust ingress. Maximum operating temperature reaches 122 degrees F, so ventilation is required in hot cabinets. Body dimensions are 1.77 in wide, 2.28 in high and 2.24 in deep, defining the space needed on the rail.

Highlights

  • IEC-rated control relay for industrial automation
  • 3NO/1NC contact configuration handles multiple circuit paths
  • 120 V AC coil voltage matches standard supply
  • 10 A AC contact rating supports heavy loads
  • DIN-rail and surface mounting simplifies installation

Specifications

BrandSchneider Electric
ModelCA2KN31G7
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

What DIN rail width and body dimensions does the CA2KN31G7 require for mounting?

The relay body measures 1.77 in wide, 2.28 in high and 2.24 in deep and mounts on standard DIN rail or via surface screws.

How do you wire the coil and contacts on the screw-clamp terminals, and what mistake should be avoided?

Strip each wire, insert into the screw-clamp terminals and tighten to the rated torque; the common error is leaving strands loose, which raises contact resistance.

When should the relay be replaced given its 120 VAC coil and 10 A contact ratings?

Replace if the coil overheats above 122 °F, contacts show pitting after switching 10 A at 120/240/480/600 VAC or 2 A DC, or the IP2X housing is cracked.

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