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Transparent rectangular relay with screw terminals and DIN rail clips

Schneider Electric

Schneider Electric CA3KN31BD Control Relay 24VDC 10A 3NO/1NC

SKU CH-GGP7-DPC9B

An IEC control relay with 10 A AC contact rating, 24 V DC coil, 3NO/1NC contacts and DIN-rail or surface mounting

  • TypeIndustrial Electrical Controls & Automation
  • ColorTransparent
  • Reliable switching with 3NO/1NC contact configuration
  • Efficient 24VDC coil voltage for low power consumption
  • Robust 10A AC contact rating across multiple voltages
  • Compact DIN rail mounting saves panel space
  • Durable silver nickel contacts ensure long service life

Industrial Control Relay 24VDC 10A

The Schneider Electric CA3KN31BD is an IEC control relay rated for 10 A at 24 V DC coil voltage. It provides three normally open and one normally closed contact for switching AC loads up to 600 V or DC loads up to 600 V. The relay mounts on DIN rail or surface and suits industrial automation panels requiring reliable switching.

Verify Coil Voltage And Contact Ratings

Confirm your control circuit supplies 24 V DC to match the coil requirement before installation. Check that the load current and voltage stay within the 10 A AC or 2 A DC ratings at the listed voltages. Ensure the panel layout accommodates the 1.77 in width, 2.28 in height and 2.24 in depth dimensions for proper fit.

Sustained Load Behaviour And Thermal Limits

With a power consumption of 3 W, the relay operates continuously up to a maximum temperature of 122 degrees F without derating. Silver nickel contacts maintain stable resistance during extended duty cycles at rated current. The IP2X enclosure protects against solid objects while allowing natural convection cooling in enclosed cabinets.

Highlights

  • Reliable switching with 3NO/1NC contact configuration
  • Efficient 24VDC coil voltage for low power consumption
  • Robust 10A AC contact rating across multiple voltages
  • Compact DIN rail mounting saves panel space
  • Durable silver nickel contacts ensure long service life

Specifications

BrandSchneider Electric
ModelCA3KN31BD
TypeIndustrial Electrical Controls & Automation
ColorTransparent

Questions about this item

Does the CA3KN31BD relay come with DIN rail clips and wiring ferrules, or must they be purchased separately?

The relay is designed for DIN rail and surface mounting with screw-clamp terminals; mounting hardware and ferrules are not included and must be sourced separately.

How do I choose between the 3NO/1NC contact form and other configurations for my control circuit?

Select the 3NO/1NC version when you need three normally-open power paths and one normally-closed signal path, all rated at 10 A AC / 2 A DC, driven by a 24 V DC coil consuming 3 W.

What does the 10 A AC contact rating mean when the relay is installed in a 240 V control panel?

At 240 V AC the silver-nickel contacts are rated for 10 A continuous, giving a switching capacity of 2.4 kVA within the 122 °F maximum operating temperature.

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