DDA203 A-63/0.5

Name: DDA203 A-63/0.5
Brand: ABB
SKU: DDA203 A-63/0.5

The ABB DDA203 RCD is a reliable residual current device designed for DIN rail mounting, providing 63A current protection and 500mA trip sensitivity. Suitable for various low-voltage applications.

Product ModelDDA203 A-63/0.5

Material Number2CSB203101R4630

Product ID69687

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Robust Earth Fault ProtectionThe ABB DDA203 RCD ensures comprehensive protection against earth faults, ensuring the safety of your electrical system.
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2. DIN Rail MountingDesigned for easy installation on DIN rails, this RCD is perfect for modern electrical distribution systems.
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3. High Current RatingWith a current rating of 63A, this device can handle high electrical loads, making it suitable for a wide range of applications.
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4. Sensitive Trip MechanismThe 500mA trip sensitivity ensures that the device can detect even the slightest changes in earth fault currents, providing reliable protection.
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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 61009 Ann. G

Type of Residual Current

Type A

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. Compact and EfficientThe compact design of the ABB DDA203 RCD makes it ideal for space-constrained installations, while its efficient operation ensures minimal downtime and maintenance.

Rated Residual Current

500 mA

Leakage Current Type

Rated Frequency (f)

50 â¦ 60 Hz

Power Loss

7.6 W

Power Supply Connection

Arbitrary

Electrical Endurance

10000 cycle

Number of Poles

Operating Characteristic

Instantaneous

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)

0.5 ... 0.5 A

Product Net Width

122 mm

Product Net Height

93 mm

Product Net Depth / Length

76 mm

Product Net Weight

311 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

2CSB203101R4630