DS201 B25 A300

Name: DS201 B25 A300
Brand: ABB
SKU: DS201 B25 A300

The ABB DS201 B25 A300 is a 1P+N RCBO designed to protect single-phase circuits against overload and short-circuit currents. It combines overcurrent and earth fault protection in a single device, ensuring reliable and safe operation with a rated current of 25 A and a residual current sensitivity of 30 mA.

Product ModelDS201 B25 A300

Material Number2CSR255180R3255

Product ID70085

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Comprehensive ProtectionThe DS201 B25 A300 offers complete protection against overcurrent and earth fault currents, ensuring the safety of your electrical installations.
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2. High Breaking CapacityWith a rated short-circuit capacity of 6 kA, this device is suitable for installations where high fault currents are expected, such as in TN network systems.
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3. Reliable OperationDesigned to meet IEC/EN 61009 standards, the DS201 B25 A300 ensures reliable operation under various environmental conditions, including temperatures ranging from -25°C to 55°C.
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4. Easy InstallationThe device's compact design and standardized terminal positions make it easy to integrate with other MCBs from the System pro M compact family, reducing installation time and complexity.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

IEC/EN 61009-1, IEC/EN 61009-2-1

Tripping Characteristic

Type of Residual Current

Type A

Rated Operational Voltage

acc. to IEC 60898-1 240 V

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 500 V

Test Voltage (Ut)

110 ... 264 V

5. Clear IndicationThe DS201 B25 A300 features clear indication of its internal contact position, including a blue flag on the toggle that signals differential tripping, ensuring immediate identification of any earth faults and preventing misinterpretation of the device status.

Rated Impulse Withstand Voltage (Uimp)

4 kV

Dielectric Test Voltage

2 kV

Input Voltage Type

Rated Current (In)

25 A

Rated Residual Current

300 mA

Rated Short-Circuit Capacity

6 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

10 kA

Rated Residual Breaking Capacity (IΔm)

EN 61009-1 6000 A IEC 61009-1 6000 A

Rated Conditional Short-Circuit Current (Inc)

10 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

7.5 kA

Rated Service Short-Circuit Breaking Capacity, in % of Icu (Ics)

6 kA

Rated Frequency (f)

50 â¦ 60 Hz

Power Loss

Average per Pole 4.1 W Phase Pole 5.5 W Neutral Pole 2.6 W Total 8.1 W

Power Supply Connection

Arbitrary

Contact Position Indication

Red ON / Green OFF

Energy Limiting Class

Electrical Endurance

10000 cycle

Mechanical Endurance

20000 cycle

Number of Protected Poles

Number of Poles

Number of Modular Spacings per DIN Rail

Fault Indication

Blue flag on toggle

Operating Characteristic

Instantaneous

Overvoltage Category

III

Position of Neutral Terminals

Right

Tightening Torque

2.8 NÂ·m

Accessory Type

Auxiliary contact, Signal contact / auxiliary contact, Shunt trip, Auxiliary contact for bottom fitting, Overvoltage release, Motor operating device

Actuator Type

Toggle - Insulation group II, Black RAL 9005, sealable in ON-OFF positions

Earthing Switch Type

Undelayed

Housing Type

Insulation group I - II, RAL 7035

Mounting Type

DIN-Rail

Screw Terminal Type

Failsafe Bi-directional Cylinder-lift Terminal

Mounting Position

Any

Accessories Available

Yes

Number of Batteries

Connecting Capacity

Busbar 10 ... 10 mmÂ² Stranded 0.75 ... 25 mmÂ² Flexible with Ferrule 0.75 ... 16 mmÂ² Flexible 0.75 ... 16 mmÂ²

Rated Cross-Section

1 - Solid-Core 0.75 â¦ 25 mmÂ² 4 - Multi-Wired 0.75 â¦ 16 mmÂ²

Wire Stripping Length

12 mm

Terminal Type

Screw Terminals

Ambient Air Temperature

Operation -25 â¦ 55 Â°C

Reference Ambient Air Temperature

30 Â°C

Degree of Protection

IP20 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: 1g or 1mm 50 â¦ 150 â¦ 5 Hz

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

25g 2 shocks 13 ms

Environmental Information

2CSC422002K2701

Width in Number of Modular Spacings

Product Net Width

35 mm

Product Net Height

85 mm

Product Net Depth / Length

69 mm

Product Net Weight

200 g

Built-In Depth (t2)

69 mm

Dimension Diagram

9AKK107492A6185

ETIM 8

EC000905 - Earth leakage circuit breaker

ETIM 9

EC000905 - Earth leakage circuit breaker

WEEE Category

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

WEEE B2C / B2B

Business To Consumer

CN8

85363030

UNSPSC

39121601

eClass

V11.0 : 27142207

IDEA Granular Category Code (IGCC)

4875 >> Residual current circuit breaker (RCCB)

Object Classification Code

Manufacturer ID

2CSR255180R3255