DDA803 A-100/0.3

Name: DDA803 A-100/0.3
Brand: ABB
SKU: DDA803 A-100/0.3

The ABB DDA803 A-100/0.3 Residual Current Device Block is designed to protect people and installations from fault currents to earth. It features a surge current capacity of 5 kA, a rated fault current of 0.3 A, and operates within a nominal voltage range of 400 V. This device is ideal for residential, commercial, and industrial applications, ensuring enhanced safety and reliability.

Product ModelDDA803 A-100/0.3

Material Number2CSB803101R3000

Product ID76822

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Advanced Protection Against Earth Fault CurrentsThe DDA803 A-100/0.3 Residual Current Device Block is engineered to detect and interrupt earth fault currents, providing comprehensive protection against electrical hazards.
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2. High Surge Current CapacityWith a surge current capacity of 5 kA, this device can handle high transient currents, ensuring that it remains operational even under extreme conditions.
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3. Compact Design for Easy InstallationThe device is designed to be compact and easy to install, making it suitable for a wide range of applications, from residential to industrial settings.
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4. Anti-Nuisance Tripping VersionThe anti-nuisance tripping feature ensures that the device is less prone to false tripping, reducing downtime and increasing overall efficiency.

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