DDA203 AC-25/1

Name: DDA203 AC-25/1
Brand: ABB
SKU: DDA203 AC-25/1

The ABB DDA203 AC-25/1 Residual Current Device Block offers robust earth fault protection, ensuring safety in residential, commercial, and industrial settings. It is designed for 230V, 25A, and operates at 50/60Hz. This device is easily mountable on DIN rail and features a toggle actuator.

Product ModelDDA203 AC-25/1

Material Number2CSB203001R5250

Product ID69342

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Enhanced Safety FeaturesThe DDA203 AC-25/1 provides comprehensive protection against sinusoidal alternating and direct pulsating earth fault currents, ensuring a safe electrical environment.
2
2. Versatile ApplicationsSuitable for residential, commercial, and industrial applications, making it a versatile solution for various electrical needs.
3
3. Easy InstallationDesigned for DIN rail mounting, the device is easy to install and integrate with MCBs S200 series and S300P.
4
4. Reliable PerformanceOperating within a temperature range of -25 to +55 °C, this device ensures reliable performance under various conditions.
5

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 AC

Rated Voltage (Ur)

230/400 V

Rated Operational Voltage

230/400 V

Rated Insulation Voltage (Ui)

500 V

Rated Impulse Withstand Voltage (Uimp)

4 kV

5. Compliance with StandardsMeets IEC / EN 61009, IEC/EN 60947-2, and IEC/EN 60068-2-30 standards, ensuring compliance with international electrical safety regulations.

Rated Residual Current

1000 mA

Leakage Current Type

Rated Frequency (f)

50 â¦ 60 Hz

Power Loss

3 W

Power Supply Connection

Arbitrary

Electrical Endurance

10000 cycle

Number of Poles

Operating Characteristic

Instantaneous

Options Provided

Connecting Capacity

Rigid 16 ... 16 mmÂ² Flexible 16 ... 16 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

87 mm

Product Net Height

93 mm

Product Net Depth / Length

76 mm

Product Net Weight

158 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

2CSB203001R5250