NFB40E-14

Name: NFB40E-14
Brand: ABB
SKU: NFB40E-14

ABB NFB40E-14: A reliable 250-500V DC contactor for railway rolling stock. Compliant with IEC and EN standards, it ensures high performance and safety in tunnel and underground operations.

Product ModelNFB40E-14

Material Number1SBH137061R1440

Product ID86740

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Compliance with Railway StandardsThe ABB NFB40E-14 meets all main rolling stock standards, including IEC 60947-4-1, IEC 60947-5-1, IEC 60077-1/-2, and applicable parts of EN 50155.
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2. Compact InstallationThis contactor allows for reduced dimension and side-by-side mounting, requiring less than 15% width without spacing, making installations more compact.
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3. High Performance in Harsh EnvironmentsDesigned to withstand shocks and vibrations conforming to IEC 61373 category 1, class B, and fire and smoke behavior compliant with European standard EN 45545-2 (HL2, HL3 hazard levels).
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4. Energy EfficiencyThe NFB40E-14 reduces train energy consumption by 68% less coil energy consumption in operation, making it an eco-friendly choice.

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

86 mm

Product Net Weight

0.31 kg

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

5. Versatile Control Voltage RangeThe electronic coil interface accepts sinusoidal AC 50/60 Hz control supplies within a wide voltage range, making it suitable for various control voltage requirements.

IEC/EN 60947-1, IEC/EN 60947-5-1, UL 60947-5-1, CSA C22.2 No. 60947-5-1, IEC 60077-1 (applicable parts), IEC 60077-2 (applicable parts), EN 50155 (applicable parts), TR CU 001/2011, IEC 61373, For compliance confirmation on applicable parts based on your application and combination, please consult your ABB sales representatives.

Rated Operational Voltage

Auxiliary Circuit 690 V

Rated Frequency (f)

Auxiliary Circuit 50 / 60 Hz Control 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 60947-5-1 690 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 250 ... 500 V 60 Hz 250 ... 500 V DC Operation 250 ... 500 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 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mmÂ² Rigid Solid 1/2x 1 ... 2.5 mmÂ² Rigid Stranded 1/2x 1 ... 2.5 mmÂ²

Connecting Capacity Control Circuit

Wire Stripping Length

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

Screw Terminals

Connecting Capacity Auxiliary Circuit UL/CSA

Rigid Solid 1/2x 18-14 AWG Rigid Stranded 1/2x 18-14 AWG

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

Climatic Withstand

Category B according to IEC 60947-1 Annex Q

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

39121529

IDEA Granular Category Code (IGCC)

4763 >> Power contactor, DC switching

Manufacturer ID

1SBH137061R1440