DDA202 A-25/1

Name: DDA202 A-25/1
Brand: ABB
SKU: DDA202 A-25/1

The ABB DDA202 A-25/1 Residual Current Device Block provides comprehensive protection against earth fault currents, indirect contacts, and direct contacts. It is designed for assembly with MCBs S200 series and S300P, making it ideal for residential, commercial, and industrial settings.

Product ModelDDA202 A-25/1

Material Number2CSB202101R5250

Product ID76886

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Comprehensive ProtectionThe DDA202 A-25/1 offers protection against sinusoidal alternating earth fault currents, indirect contacts, and additional protection against direct contacts with a sensitivity of 30 mA.
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2. Versatile ApplicationsSuitable for residential, commercial, and industrial applications, this RCD block ensures reliable protection in various environments.
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3. Easy InstallationDesigned for DIN Rail Mount, the device is easy to install and integrate with other electrical components like MCBs S200 series and S300P.
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4. High ReliabilityOperating within a temperature range of -25 to +55 °C, this RCD block maintains its performance under various conditions, ensuring continuous protection.

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 Ann. G

Type of Residual Current

Type A

Rated Voltage (Ur)

230/400 V

Rated Operational Voltage

230 V

Rated Insulation Voltage (Ui)

500 V

Rated Impulse Withstand Voltage (Uimp)

4 kV

5. Standard ComplianceMeets international standards including IEC/EN 61009, IEC/EN 60947-2, and IEC/EN 60068-2-30, ensuring compliance with global safety regulations.

Rated Residual Current

1000 mA

Leakage Current Type

Rated Frequency (f)

50 â¦ 60 Hz

Power Loss

2 W

Power Supply Connection

Arbitrary

Electrical Endurance

10000 cycle

Number of Poles

Operating Characteristic

Instantaneous

Options Provided

Connecting Capacity

Rigid 25 ... 25 mmÂ² Flexible 25 ... 25 mmÂ²

Ambient Temperature

-25...55 Â°C

Ambient Air Temperature

Operation -25...55 Â°C

Degree of Protection

IP2X

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

Refer to RoHS

Short-Circuit Current Rating (SCCR)

1...1 A

Product Net Width

70 mm

Product Net Height

93 mm

Product Net Depth / Length

76 mm

Product Net Weight

210 g

ETIM 8

EC002297 - Residual current circuit breaker (RCCB) module

ETIM 9

EC002297 - Residual current circuit breaker (RCCB) module

WEEE Category

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

WEEE B2C / B2B

Business To Consumer

CN8

85363030

eClass

V11.0 : 27142210

Object Classification Code

Manufacturer ID

2CSB202101R5250