NFC40EK-51

Name: NFC40EK-51
Brand: ABB
SKU: NFC40EK-51

ABB's NFC40EK-51 contactor offers reliable and efficient motor control, perfect for a variety of industrial applications. With its high operational current and robust design, it ensures seamless performance and longevity.

Product ModelNFC40EK-51

Material Number1SBH131005R5140

Product ID88406

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Performance\"The ABB NFC40EK-51 contactor is built to last, providing consistent and reliable performance in demanding industrial environments.\"
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2. Efficient Motor Control\"Designed for efficient motor control, this contactor ensures optimal energy usage and reduces operational costs.\"
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3. High Operational Current\"With a high operational current rating, the NFC40EK-51 can handle demanding applications with ease, making it an ideal choice for various industrial settings.\"
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4. Robust Design\"The robust design of the ABB NFC40EK-51 contactor ensures it can withstand harsh conditions, providing long-lasting service and minimal downtime.\"
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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

45 mm

Product Net Depth / Length

77 mm

Product Net Height

92.3 mm

Product Net Weight

0.306 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Versatile Applications\"Suitable for a wide range of applications, including HVAC systems, pumps, and conveyor belts, the NFC40EK-51 contactor is a versatile solution for any industrial need.\"

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

Standards

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

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)

(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 60947-4-1 and VDE 0110 (Gr. C) 690 V acc. to UL/CSA 600 V

Maximum Mechanical Switching Frequency

6000 cycles per hour

Rated Control Circuit Voltage (Uc)

50 Hz 400 ... 415 V 60 Hz 480 V

Coil Consumption

2.3 W

Operate Time

Between Coil De-energization and NC Contact Closing 9 ... 20 ms Between Coil De-energization and NO Contact Opening 4 ... 18 ms Between Coil Energization and NC Contact Opening 7 ... 21 ms Between Coil Energization and NO Contact Closing 10 ... 26 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 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 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

Tightening Torque UL/CSA

Auxiliary Circuit 11 inÂ·lb Control Circuit 11 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 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

39121500

IDEA Granular Category Code (IGCC)

4755 >> Contactors

Manufacturer ID

1SBH131005R5140