NF40EK-11

Name: NF40EK-11
Brand: ABB
SKU: NF40EK-11

The ABB NF40EK-11 is a 60 VDC, 6 Amp, 4-pole contactor relay designed for efficient switching of auxiliary and control circuits. It features push-in spring terminals and a wide control voltage range (48-130 V DC), ensuring reliable operation in various environments. With built-in surge protection, this contactor relay offers a compact and reliable solution for your electrical needs.

Product ModelNF40EK-11

Material Number1SBH137005R1140

Product ID83522

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable OperationThe ABB NF40EK-11 ensures reliable operation with its wide control voltage range (48-130 V DC) and built-in surge protection, making it suitable for various electrical applications.
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2. Efficient WiringThe contactor relay features push-in spring terminals, allowing for faster and easier wiring installation, reducing panel energy consumption and ensuring distinct operations in unstable networks.
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3. Compact DesignThe block-type design of the NF40EK-11 makes it compact and easy to integrate into your electrical panel, offering a space-saving solution without compromising on performance.
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4. Mechanically Linked ContactsThe mechanically-linked auxiliary contacts comply with Annex L of IEC 60947-5-1, ensuring high-quality and reliable connections in your electrical circuits.

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

77 mm

Product Net Height

92.3 mm

Product Net Weight

0.285 kg

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

5. Versatile AccessoriesThe NF40EK-11 can be easily extended with add-on auxiliary contact blocks and a wide range of accessories, providing flexibility and customization options to meet your specific electrical needs.

IEC/EN 60947-1, IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14-13

Rated Operational Voltage

Auxiliary Circuit 690 V Main Circuit 690 V

Rated Frequency (f)

Auxiliary Circuit 50 / 60 Hz Control 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)

(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 (400 V) 0.15 A / 60 W (500 V) 0.13 A / 65 W (600 V) 0.1 A / 60 W

Rated Insulation Voltage (Ui)

acc. to IEC 60947-5-1 690 V acc. to UL/CSA 600 V

Rated Impulse Withstand Voltage (Uimp)

6 kV

Maximum Mechanical Switching Frequency

6000 cycles per hour

Rated Control Circuit Voltage (Uc)

50 Hz 24 ... 60 V 60 Hz 24 ... 60 V DC Operation 20 ... 60 V

Operate Time

Between Coil De-energization and NC Contact Closing 13 ... 98 ms Between Coil De-energization and NO Contact Opening 11 ... 95 ms Between Coil Energization and NC Contact Opening 38 ... 90 ms Between Coil Energization and NO Contact Closing 40 ... 95 ms

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

Mounting by Screws (not supplied)

2 x M4 screws placed diagonally

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1/2x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mmÂ² Flexible 1/2x 0.5 ... 2.5 mmÂ² Rigid Solid 1/2x 1 ... 2.5 mmÂ²

Connecting Capacity Control Circuit

Flexible with Ferrule 1/2x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mmÂ² Flexible 1/2x 0.5 ... 2.5 mmÂ² Rigid Solid 1/2x 1 ... 2.5 mmÂ²

Wire Stripping Length

Auxiliary Circuit 10 mm Control Circuit 10 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

Push-in Spring Terminals

Connecting Capacity Auxiliary Circuit UL/CSA

Rigid Solid 1/2x 18-14 AWG

Connecting Capacity Control Circuit UL/CSA

Rigid Solid 1/2x 18-14 AWG

Ambient Air Temperature

Close to Contactor for Storage -60 ... +80 Â°C Near Contactor for Operation in Free Air -40 ... 70 Â°C Near Contactor for Operation in Free Air (0.85 ... 1.1 Uc) -40 ... +60 Â°C Near Contactor for Operation in Free Air (Uc) -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 Vibrations

4g 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)

4763 >> Power contactor, DC switching

E-Number (Finland)

3707945

E-Number (Sweden)

3210630

Manufacturer ID

1SBH137005R1140