S204M-B10UC

Name: S204M-B10UC
Brand: ABB
SKU: S204M-B10UC

The ABB S204M-B10UC is a reliable miniature circuit breaker designed for DC and AC applications. It offers high short-circuit breaking capacity, flexible mounting options, and compliance with major international standards, making it suitable for residential, industrial, and commercial settings.

Product ModelS204M-B10UC

Material Number2CDS274061R0105

Product ID79869

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Versatile ApplicationThe ABB S204M-B10UC is designed for both DC and AC applications, making it a versatile solution for various electrical needs.
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2. High Short-Circuit Breaking CapacityWith a high short-circuit breaking capacity, this circuit breaker ensures reliable protection against electrical surges and faults.
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3. Flexible Mounting OptionsIt offers easy mounting on DIN rails with options like TH35-15 and TH35-7.5 mm mounting rails, ensuring flexibility in installation.
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4. Compliance with International StandardsThe S204M-B10UC complies with major international standards such as IEC/EN 60898-1 and IEC/EN 60947-2, ensuring safety and reliability.
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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 60898-1 IEC/EN 60947-2

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 440 V DC acc. to IEC 60898-1 440 V acc. to IEC 60898-2 400 V AC acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC

Operational Voltage

Maximum (Incl. Tolerance) 440 V AC Maximum (Incl. Tolerance) 500 V DC Minimum 12 V AC Minimum 12 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

5. Compact DesignIts compact design makes it ideal for space-constrained environments, such as residential and commercial settings, while maintaining high performance standards.

4 kV at 2000 m 5 kV at Sea Level 6.2 kV

Dielectric Test Voltage

50/60 Hz-1 min: 2 kV

Input Voltage Type

AC/DC

Rated Current (In)

10 A

Rated Short-Circuit Capacity

(AC) 10 kA (230 V AC) 10 kA (253 V AC) 10 kA (400 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA (400 V) 10 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(220 V DC) 25 kA (230 V AC) 25 kA (400 V AC) 10 kA (440 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA

Rated Conditional Short-Circuit Current (Inc)

(230 V) 25 kA (400 V) 10 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

(220 V DC) 20 kA

Rated Frequency (f)

50 / 60 Hz DC

Power Loss

8.12 W at Rated Operating Conditions per Pole 2.03 W

Power Supply Connection

Please Note Polarity of Device

Contact Position Indication

Red ON / Green OFF

Energy Limiting Class

Electrical Endurance

20000 AC cycle

Mechanical Endurance

20000 cycle

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Tightening Torque

2.8 NÂ·m

Screw Terminal Type

Failsafe Bi-directional Cylinder-lift Terminal

Actuator Marking

I / O

Actuator Material

Insulation Group II, Black, Sealable

Housing Material

Insulation Group I, RAL 7035

Options Provided

Universal current

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 Position

any

Recommended Screw Driver

Pozidriv 2

Accessories Available

Yes

Remarks

Please note polarity of device

Connecting Capacity

Busbar 10 / 10 mmÂ² Flexible with Ferrule 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Rigid 0.75 ... 35 mmÂ² Stranded 0.75 ... 35 mmÂ²

Installation Size

acc. to DIN 43880 1

Terminal Type

Screw Terminals

Ambient Air Temperature

Operation -25 ... +55 Â°C Storage -40 ... +70 Â°C

Reference Ambient Air Temperature

30 Â°C

Degree of Protection

IP20 Enclosure with Cover IP40

Pollution Degree

Environmental Conditions

28 cycles with 55 Â°C / 90-96 % and 25 Â°C / 95-100 %

Resistance to Vibrations

20 Cycles with Load 0.8 In: 5g 5 ... 150 ... 5 Hz

Resistance to Shock acc. to IEC 60068-2-27

25g 2 shocks 13 ms

Environmental Information

2CDK400030D201

Maximum Operating Voltage UL/CSA

480Y/277 V AC 500 V DC

Interrupting Rating acc. to UL1077

(220 V AC) 10 kA (277 V AC) 6 kA (440 V DC) 10 kA (480Y / 277 V AC) 10 kA (500 V DC) 10 kA

Connecting Capacity UL/CSA

Busbar 14-8 AWG Conductor 14-4 AWG

Tightening Torque UL/CSA

25 inÂ·lb

Width in Number of Modular Spacings

4.0

Product Net Width

70 mm

Product Net Height

85 mm

Product Net Depth / Length

69 mm

Product Net Weight

0.5 kg

Pole Net Weight

0.125 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

8536 20 10

UNSPSC

39121603

eClass

V11.0 : 27141901

IDEA Granular Category Code (IGCC)

4899 >> Miniature circuit breaker (MCB) screw-in model

Object Classification Code

Manufacturer ID

2CDS274061R0105