S204M-B25DC

Name: S204M-B25DC
Brand: ABB
SKU: S204M-B25DC

The ABB S204M-B25DC miniature circuit breaker is designed for reliable protection in various applications. With a high short-circuit breaking capacity and flexible AC and DC operation, it ensures safe and efficient system performance. Suitable for residential, commercial, and industrial use, this MCB meets international standards for safety and efficiency.

Product ModelS204M-B25DC

Material Number2TAZ112400R0255

Product ID80416

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S204M-B25DC offers high short-circuit breaking capacity, ensuring your systems are protected from potential electrical hazards.
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2. Flexible OperationCompatible with both AC and DC applications, this miniature circuit breaker provides flexibility in various electrical setups.
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3. International StandardsMeets IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring compliance with international safety regulations.
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4. Versatile UseIdeal for residential, commercial, and industrial applications, making it a versatile solution for diverse electrical needs.
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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

Standards

IEC/EN 60898-2 GB 10963 IEC/EN 60947-2 GB 14048

Tripping Characteristic

Rated Voltage (Ur)

440 V

Rated Operational Voltage

440 V DC

Rated Insulation Voltage (Ui)

440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV

5. Efficient PerformanceDesigned for safe and efficient operation, the ABB S204M-B25DC minimizes downtime and maximizes system reliability.

Input Voltage Type

Rated Current (In)

25 A

Rated Short-Circuit Capacity

(400 V) 10 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(440 V DC) 10 kA

Rated Conditional Short-Circuit Current (Inc)

(400 V) 10 kA

Frequency (f)

0...0 Hz

Rated Frequency (f)

0-0 Hz

Power Loss

11.52 W

Energy Limiting Class

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Release Type

Options Provided

DC application

Accessories Available

Yes

Connecting Capacity

Flexible 0 ... 25 mmÂ² Rigid 0 ... 35 mmÂ²

Ambient Temperature

-25...55 Â°C

Ambient Air Temperature

Operation -25...55 Â°C

Degree of Protection

IP20

Pollution Degree

Width in Number of Modular Spacings

Product Net Width

0.070 m

Product Net Height

0.088 m

Product Net Depth / Length

0.044 m

Product Net Weight

0.500 kg

Built-In Depth (t2)

69 mm

ETIM 8

EC000042 - Miniature circuit breaker (MCB)

ETIM 9

EC000042 - Miniature circuit breaker (MCB)

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

WEEE B2C / B2B

Business To Business

CN8

85362010

eClass

V11.0 : 27141901

Object Classification Code

Manufacturer ID

2TAZ112400R0255