NX31E-75

Name: NX31E-75
Brand: ABB
SKU: NX31E-75

The ABB NX31E-75 contactor relay is a high-performance device suitable for both AC and DC operations. It features 3 NO and 1 NC auxiliary contacts, operating on 690V with a thermal current of 16A. Perfect for industrial use, it ensures reliable switching and control.

Product ModelNX31E-75

Material Number1SBH901074R7531

Product ID90357

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Versatile OperationThe ABB NX31E-75 operates on both 110V50Hz and 110-120V60Hz power supplies, making it versatile and suitable for various industrial applications.
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2. High-Performance ContactsEquipped with 3 normally open (NO) and 1 normally closed (NC) auxiliary contacts, ensuring reliable and efficient switching operations.
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3. Robust DesignConstructed with a block-type design, the contactor relay is built to withstand harsh industrial environments, providing long-lasting performance.
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4. Wide Voltage CompatibilityCompatible with a wide range of voltages, including 220-240V, 24-127V, and 400-440V, making it adaptable to different industrial settings.
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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

44 mm

Product Net Depth / Length

74 mm

Product Net Height

74 mm

Product Net Weight

0.315 kg

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

5. Compliance with International StandardsMeets international standards such as IEC 60947-5-1 and VDE 0110 (Gr. C), ensuring safety and reliability in industrial applications.

Rated Operational Voltage

Auxiliary Circuit 690 V Main Circuit 690 V

Rated Frequency (f)

Auxiliary Circuit 50 / 60 Hz Main Circuit 50 / 60 Hz

Conventional Free-air Thermal Current (Ith)

acc. to IEC 60947-5-1, Î = 40 Â°C 16 A

Rated Operational Current AC-15 (Ie)

(690 V) 2 A (24 / 127 V) 6 A (220 / 240 V) 4 A (380 / 400 V) 3 A (400 / 440 V) 2 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 (110 V) 0.55 A / 60 W (125 V) 0.55 A / 69 W (220 V) 0.30 A / 66 W (250 V) 0.30 A / 75 W (400 V) 2.8 A / 134 W (500 V) 1 A / 72 W

Rated Insulation Voltage (Ui)

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

Rated Impulse Withstand Voltage (Uimp)

Auxiliary Circuit 6 kV

Maximum Mechanical Switching Frequency

6000 cycles per hour

Rated Control Circuit Voltage (Uc)

50 Hz 200 V 60 Hz 200 ... 220 V

Operate Time

Between Coil De-energization and NC Contact Closing 9 ... 16 ms Between Coil De-energization and NO Contact Opening 4 ... 11 ms Between Coil Energization and NC Contact Opening 7 ... 21 ms Between Coil Energization and NO Contact Closing 10 ... 26 ms

Degree of Protection

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 Fitted with Thermal O/L Relay -25 ... 55 Â°C Close to Contactor without Thermal O/L Relay -40 ... 70 Â°C Close to Contactor for Storage -60 ... +80 Â°C Near Contactor for Operation in Free Air -40 ... 70 Â°C

Climatic Withstand

acc. to IEC 60068-2-30 and 60068-2-11 - UTE C 63-100 specification II

Maximum Operating Altitude Permissible

Without Derating 3000 m

Object Classification Code

ETIM 7

EC000196 - Contactor relay

ETIM 8

EC000196 - Contactor relay

ETIM 9

EC000196 - Contactor relay

eClass

V11.0 : 27371001

UNSPSC

39121500

IDEA Granular Category Code (IGCC)

4755 >> Contactors

Manufacturer ID

1SBH901074R7531