KC6-31Z-2.4-51

Name: KC6-31Z-2.4-51
Brand: ABB
SKU: KC6-31Z-2.4-51

The ABB KC6-31Z-2.4-51 mini contactor relay is a compact, 4-pole device designed for high-reliability applications. It features a 24VDC coil and 3NO-1NC contact form, making it suitable for residential, commercial, and industrial use. This mini contactor relay ensures noise-free operation and easy mounting on DIN rail.

Product ModelKC6-31Z-2.4-51

Material NumberGJH1213001R5311

Product ID76899

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Compact DesignThe ABB KC6-31Z-2.4-51 mini contactor relay is designed to be compact, making it ideal for applications where space is at a premium.
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2. High ReliabilityThis device is built for high-reliability applications, ensuring consistent performance in various environments.
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3. Efficient SwitchingWith a 24VDC coil and 3NO-1NC contact form, the KC6-31Z-2.4-51 offers efficient switching of control signals up to 3A/400V (AC-15).
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4. Noise-Free OperationThe hum-free coil ensures noise-free operation, making it suitable for applications requiring quiet performance.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

52.5 mm

Product Net Depth / Length

46.5 mm

Product Net Height

57.5 mm

Product Net Weight

0.175 kg

Coil Consumption

Average Holding Value DC 2.4 W Average Pull-in Value DC 2.4 W

Coil Operating Limits

(acc. to IEC 60947-4-1) for DC supply Uc Min. ... Uc Max. (at Î¸ â¤ 55 Â°C) (acc. to IEC 60947-5-1) for DC supply 0.85 ... 1.1 x Uc (at Î¸ â¤ 55 Â°C)

5. Easy MountingThe device can be easily mounted on DIN rail, providing a convenient and secure installation solution.

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1/2x 1 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 1 ... 2.5 mmÂ² Flexible 1/2x 1 ... 2.5 mmÂ² Rigid 1/2x 1 ... 4 mmÂ²

Connecting Capacity Control Circuit

Flexible with Ferrule 1/2x 1 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 1 ... 2.5 mmÂ² Flexible 1/2x 1 ... 2.5 mmÂ² Rigid 1/2x 1 ... 4 mmÂ²

Maximum Electrical Switching Frequency

(AC-15) 600 cycles per hour (DC-13) 600 cycles per hour

Mechanical Durability

10000000 cycle

Mini Contactor Type

Interface Mini Contactor Relay

Minimum Mounting Distance

Other Device Same Type, Horizontal 0 mm

Minimum Switching Capacity

17 V 5 mA

Mounting Position

1 ... 6

Mounting Type

DIN-Rail Screw

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Number of Auxiliary Contacts NC

Number of Auxiliary Contacts NO

Number of Main Contacts NC

Number of Main Contacts NO

Number of Poles

Power Loss

at Rated Operating Conditions per Pole 0.32 W

Rated Control Circuit Voltage (Uc)

17 ... 32 V DC

Rated Frequency (f)

Auxiliary Circuit 50 Hz Auxiliary Circuit 60 Hz Auxiliary Circuit DC Control Circuit DC Main Circuit 60 Hz Main Circuit 50 Hz Main Circuit DC

Rated Impulse Withstand Voltage (Uimp)

Auxiliary Circuit 6 kV

Rated Insulation Voltage (Ui)

690 V acc. to UL/CSA 600 V

Rated Operational Current AC-15 (Ie)

(24 V) 4 A (120 V) 4 A (240 V) 4 A (400 V) 3 A (500 V) 2 A

Rated Operational Current DC-13 (Ie)

(24 V) 2.5 A (110 V) 0.7 A (220 / 240 V) 0.4 A

Rated Operational Voltage

Auxiliary Circuit 690 V AC Auxiliary Circuit 250 V DC

Recommended Screw Driver

M3 Pozidriv 1

Remarks

No CA6 or CAF6 mountable

Short-Circuit Protective Devices

gG Type Fuses 6 A

Standards

IEC/EN 60947-1 IEC/EN 60947-4-1 IEC/EN 60947-5-1 UL 60947-1 UL 60947-4-1 IEC 60335-2-40 A2L

Terminal Type

Screw Terminals

Tightening Torque

Auxiliary Circuit 0.8 ... 1.1 NÂ·m Control Circuit 0.8 ... 1.1 NÂ·m Main Circuit 0.8 ... 1.1 NÂ·m

Wire Stripping Length

Auxiliary Circuit 9 mm

Connecting Capacity Auxiliary Circuit UL/CSA

Stranded 1/2x 22-10 AWG

Contact Rating UL/CSA

A600

General Use Rating UL/CSA

(600 V AC) 5 A

Maximum Operating Voltage UL/CSA

600 V AC

Pilot Duty UL/CSA

A600

Tightening Torque UL/CSA

Auxiliary Circuit 7 inÂ·lb Control Circuit 7 inÂ·lb

Ambient Air Temperature

Operation -25 ... +55 Â°C Storage -40 ... +80 Â°C

Conventional Free-air Thermal Current (Ith)

Auxiliary Circuit 6 A

Degree of Protection

Auxiliary Circuit Terminals IP20 Control Circuit Terminals IP20 Main Circuit Terminals IP20

Maximum Operating Altitude Permissible

2000 m

Resistance to Shock acc. to IEC 60068-2-27

11 ms Pulse 15g

Resistance to Vibrations

3g 3 ... 150 Hz

eClass

V11.0 : 27371001

ETIM 6

EC000196 - Contactor relay

ETIM 7

EC000196 - Contactor relay

ETIM 8

EC000196 - Contactor relay

ETIM 9

EC000196 - Contactor relay

IDEA Granular Category Code (IGCC)

4763 >> Power contactor, DC switching

Object Classification Code

UNSPSC

39121529

Manufacturer ID

GJH1213001R5311