DDA803 A-63/0.3

Name: DDA803 A-63/0.3
Brand: ABB
SKU: DDA803 A-63/0.3

The ABB DDA803 A-63/0.3 Residual Current Device Block provides comprehensive protection against fault currents to earth, ensuring safety in residential, commercial, and industrial settings. It is designed for assembly with MCBs up to 63A and offers reliable protection against indirect and direct contacts.

Product ModelDDA803 A-63/0.3

Material Number2CSB803101R3630

Product ID82184

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Comprehensive ProtectionThe DDA803 A-63/0.3 offers protection against both indirect and direct contacts, ensuring maximum safety for people and installations.
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2. Easy AssemblyDesigned for assembly with MCBs up to 63A, this device is versatile and easy to integrate into various electrical systems.
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3. Advanced TechnologyEquipped with advanced technology, this RCD block provides reliable and efficient protection against fault currents to earth.
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4. Versatile ApplicationSuitable for residential, commercial, and industrial use, making it a versatile solution for diverse electrical needs.
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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 60947-2 Ann. B

Type of Residual Current

Type A

Suitable For

S800S S800N S800C S800B

Rated Voltage (Ur)

400 V AC 415 V AC 690 V AC

Rated Operational Voltage

400/690 V

Rated Insulation Voltage (Ui)

690 V

5. High Insulation VoltageWith a rated insulation voltage of 690V, this device ensures robust protection and reliability in high-voltage applications.

Rated Impulse Withstand Voltage (Uimp)

6 kV

Rated Current (In)

63 A

Rated Residual Current

300 mA

Maximum Surge Current

0.25 kA

Leakage Current Type

Rated Frequency (f)

50 â¦ 60 Hz

Power Loss

13.5 W

Number of Poles

Operating Characteristic

Instantaneous

Connecting Capacity

Rigid 6 â¦ 50 mmÂ² Flexible 6 â¦ 70 mmÂ²

Ambient Temperature

-25...60 Â°C

Ambient Air Temperature

Operation -25...60 Â°C

Degree of Protection

IP2X

Environmental Information

document not needed

Short-Circuit Current Rating (SCCR)

0.3 ... 0.3 A

Width in Number of Modular Spacings

6.5

Product Net Width

117 mm

Product Net Height

108.2 mm

Product Net Depth / Length

82.3 mm

Product Net Weight

400 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 Business

CN8

85363030

eClass

V11.0 : 27142210

Object Classification Code

Manufacturer ID

2CSB803101R3630