NS31E-26

Name: NS31E-26
Brand: ABB
SKU: NS31E-26

The ABB NS31E-26 is a versatile 4-pole contactor relay suitable for various applications, including switching auxiliary and control circuits. It operates at 230V with a frequency of 50/60Hz, offering reliable and efficient electrical control.

Product ModelNS31E-26

Material Number1SBH101001R2631

Product ID69999

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable OperationThe ABB NS31E-26 contactor relay is designed for reliable operation in a wide range of applications, ensuring consistent performance under various conditions.
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2. Versatile ConfigurationWith 3 normally open (NO) and 1 normally closed (NC) auxiliary contacts, the NS31E-26 offers flexible configuration options to meet diverse electrical control needs.
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3. Compliance with International StandardsThe product complies with IEC 60947-5-1, EN 60947-5-1, UL 508, and CSA C22.2 N°14 standards, ensuring compatibility with global electrical systems.
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4. Environmental DurabilityThe NS31E-26 is built to withstand ambient air temperatures from -40°C to 70°C and can operate at altitudes up to 3000 meters without derating, making it suitable for various environmental conditions.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

45 mm

Product Net Depth / Length

72.5 mm

Product Net Height

68 mm

Product Net Weight

0.22 kg

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

5. Robust ConstructionConstructed with a laminated magnet circuit, the NS31E-26 contactor relay provides robust and durable performance, ensuring long-lasting operation in demanding applications.

IEC 60947-5-1 and EN 60947-5-1, UL 508, CSA C22.2 NÂ°14

Rated Operational Voltage

Auxiliary Circuit 690 V Main Circuit 690 V

Rated Frequency (f)

Auxiliary Circuit 50 / 60 Hz

Conventional Free-air Thermal Current (Ith)

acc. to IEC 60947-5-1, Î = 40 Â°C 10 A

Rated Operational Current AC-15 (Ie)

(500 V) NC 2 (500 V) 2 A (690 V) 2 A (24 / 127 V) 6 A (220 / 240 V) 4 A (400 / 440 V) 3 A

Rated Short-time Withstand Current Low Voltage (Icw)

for 0.1 s 140 A for 1 s 100 A

Maximum Electrical Switching Frequency

(AC-15) 1200 cycles per hour (DC-13) 900 cycles per hour

Rated Operational Current DC-13 (Ie)

(24 V) 6 A / 144 W (48 V) 2.8 A / 134 W (72 V) 1 A / 72 W (110 V) 0.55 A / 60 W (125 V) 0.55 A / 69 W (220 V) 0.27 A / 60 W (250 V) 0.27 A / 68 W

Rated Insulation Voltage (Ui)

acc. to IEC 60947-5-1 and VDE 0110 (Gr. C) 690 V acc. to UL/CSA 600 V

Rated Impulse Withstand Voltage (Uimp)

Auxiliary Circuit 6 kV

Maximum Mechanical Switching Frequency

3600 cycles per hour

Rated Control Circuit Voltage (Uc)

50 Hz 230 V 60 Hz 230 V

Operate Time

Between Coil De-energization and NC Contact Closing 7 ... 22 ms Between Coil De-energization and NO Contact Opening 5 ... 19 ms Between Coil Energization and NC Contact Opening 6 ... 18 ms Between Coil Energization and NO Contact Closing 9 ... 24 ms

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1/2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mmÂ² Rigid 1/2x 0.75 ... 2.5 mmÂ²

Connecting Capacity Control Circuit

Flexible with Ferrule 1/2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mmÂ² Rigid 1/2x 0.75 ... 2.5 mmÂ²

Wire Stripping Length

Auxiliary Circuit 9 mm Control Circuit 9 mm

Degree of Protection

acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20

Terminal Type

Screw Terminals

Tightening Torque UL/CSA

Auxiliary Circuit 9 inÂ·lb Control Circuit 9 inÂ·lb

Ambient Air Temperature

Close to Contactor for Storage -60 ... +80 Â°C Near Contactor for Operation in Free Air -40 ... 70 Â°C

Climatic Withstand

Category B according to IEC 60947-1 Annex Q

Maximum Operating Altitude Permissible

Without Derating 3000 m

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

Closed, Shock Direction: C1 19 g Closed, Shock Direction: C2 16 g Open, Shock Direction: C1 8 g Open, Shock Direction: C2 13 g Shock Direction: A 20 g Shock Direction: B1 5 g Shock Direction: B2 15 g

Resistance to Vibrations

3g Closed Position & 2g Open Position 5 ... 300 Hz

Object Classification Code

ETIM 7

EC000196 - Contactor relay

ETIM 8

EC000196 - Contactor relay

ETIM 9

EC000196 - Contactor relay

eClass

V11.0 : 27371001

UNSPSC

39121529

IDEA Granular Category Code (IGCC)

4761 >> Magnet contactor, AC-switching

Manufacturer ID

1SBH101001R2631