GDA203 AC S-63/0.3

Name: GDA203 AC S-63/0.3
Brand: ABB
SKU: GDA203 AC S-63/0.3

The ABB GDA203 AC S-63/0.3 is a residual current device (RCD) designed to provide reliable protection against electrical shock and overcurrent in AC systems. It features a high sensitivity of 0.3 mA and a maximum current rating of 63 A, making it suitable for a wide range of applications[3][4].

Product ModelGDA203 AC S-63/0.3

Material Number2TAZ810303R4630

Product ID77128

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Advanced SensitivityThe GDA203 AC S-63/0.3 offers a high sensitivity of 0.3 mA, ensuring early detection and protection against electrical shock, even at low fault currents.
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2. Robust ConstructionBuilt with durable materials, this RCD is designed to withstand harsh environmental conditions, ensuring reliable operation over time.
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3. High Current RatingWith a maximum current rating of 63 A, the GDA203 AC S-63/0.3 can handle a wide range of applications, from residential to commercial settings.
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4. Easy InstallationThe device is designed for easy installation, featuring a compact and standardized DIN rail mounting system, making it simple to integrate into existing electrical systems.
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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

Type of Residual Current

Type AC

Rated Voltage (Ur)

400...400 V

Rated Insulation Voltage (Ui)

500 V

Rated Impulse Withstand Voltage (Uimp)

4 kV

Rated Current (In)

63 A

Rated Residual Current

300 mA