EK1000-40-21 48V DC

Name: EK1000-40-21 48V DC
Brand: ABB
SKU: EK1000-40-21 48V DC

The ABB EK1000-40-21 48V DC Contactor is a versatile, 4-pole contactor ideal for distribution and rail applications. It supports both AC and DC switching, ensuring reliable operation.

Product ModelEK1000-40-21 48V DC

Material NumberSK827044-DD

Product ID87124

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Versatile ApplicationThe EK1000-40-21 48V DC Contactor is suitable for both AC and DC switching, making it versatile for a wide range of applications including distribution and rail systems.
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2. Reliable OperationDesigned for reliable operation, this contactor ensures consistent performance in various environments, making it a trusted choice for critical systems.
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3. High Current HandlingWith a conventional free-air thermal current (Ith) of 1000 amperes at 40°C, the EK1000-40-21 can handle high electrical currents, making it suitable for demanding applications.
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4. Compact DesignThe contactor’s compact dimensions (281 mm x 342 mm x 224 mm) make it easy to integrate into existing systems, saving space and enhancing overall efficiency.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

296 mm

Product Net Depth / Length

225.5 mm

Product Net Height

272 mm

Product Net Weight

15.8 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Durable ConstructionBuilt with high-quality materials, the EK1000-40-21 is designed to withstand harsh conditions, including ambient air temperatures ranging from -50°C to +70°C, ensuring long-lasting performance.

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

Rated Operational Voltage

Main Circuit 1000 V

Conventional Free-air Thermal Current (Ith)

acc. to IEC 60947-4-1, Open Contactors Î = 40 Â°C 1000 A

Rated Operational Current AC-1 (Ie)

(1000 V) 40 Â°C 1000 A (1000 V) 60 Â°C 800 A (1000 V) 70 Â°C 720 A (690 V) 40 Â°C 1000 A (690 V) 55 Â°C 800 A (690 V) 60 Â°C 800 A (690 V) 70 Â°C 720 A

Maximum Electrical Switching Frequency

(AC-1) 300 cycles per hour

Rated Insulation Voltage (Ui)

acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 V

Rated Impulse Withstand Voltage (Uimp)

8 kV

Mechanical Durability

5 million

Maximum Mechanical Switching Frequency

3600 cycles per hour

Coil Operating Limits

(acc. to IEC 60947-4-1) Uc (at Î¸ â¤ 70 Â°C)

Rated Control Circuit Voltage (Uc)

DC Operation 48 V

Coil Consumption

Holding at Max. Rated Control Circuit Voltage 50 Hz 125 VÂ·A Holding at Max. Rated Control Circuit Voltage 60 Hz 140 VÂ·A Pull-in at Max. Rated Control Circuit Voltage 50 Hz 3500 VÂ·A Pull-in at Max. Rated Control Circuit Voltage 60 Hz 4000 VÂ·A

Operate Time

Between Coil De-energization and NC Contact Closing 10 ... 20 ms Between Coil De-energization and NO Contact Opening 13 ... 23 ms Between Coil Energization and NC Contact Opening 25 ... 55 ms Between Coil Energization and NO Contact Closing 30 ... 60 ms

Degree of Protection

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

Connecting Terminals (delivered in open position) Main Poles

Flat type c/w screws and bolts

Terminal Type

Main Circuit: Bars

Ambient Air Temperature

Close to Contactor Fitted with Thermal O/L Relay (0.85 ... 1.1 Uc) -25 ... 55 Â°C Close to Contactor without Thermal O/L Relay (0.85 ... 1.1 Uc) -40 ... 70 Â°C Close to Contactor for Storage -50 ... 70 Â°C

Maximum Operating Altitude Permissible

Without Derating 3000 m

Object Classification Code

ETIM 7

EC000066 - Power contactor, AC switching

ETIM 8

EC000066 - Power contactor, AC switching

ETIM 9

EC000066 - Power contactor, AC switching

eClass

V11.0 : 27371003

UNSPSC

39121529

IDEA Granular Category Code (IGCC)

4755 >> Contactors

Manufacturer ID

SK827044-DD