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2CSB802101R4630 ABB DDA802 A-63/0.5 63 A 2-Pole Type A 500 mA Residual Current Device
ABB DDA802 A-63/0.5 is a 63 A two-pole Type A residual current device with 500 mA rated residual operating current for earth-leakage protection in compatible electrical distribution installations.
£262.16
Why Choose the ABB DDA802 A-63/0.5 Residual Current Device?
The ABB DDA802 A-63/0.5 is a two-pole residual current device (RCD) designed to provide residual-current protection in electrical distribution installations. Rated at 63 A with a 500 mA residual operating current, this Type A device provides residual-current detection for applications requiring protection against both sinusoidal AC and pulsating DC residual currents.
As part of ABB's DDA800 range, the DDA802 A-63/0.5 provides residual-current functionality for compatible S800 high-performance circuit-breaker installations. When used in the appropriate ABB system configuration, it complements overcurrent protection by detecting earth-leakage conditions and disconnecting the protected circuit when the applicable residual-current threshold is reached.
The combination of a two-pole configuration, 63 A rated current, 500 mA sensitivity and Type A residual-current characteristic makes this model suitable for compatible commercial and industrial electrical distribution applications. ABB order code 2CSB802101R4630 identifies this specific DDA802 variant.
Key Advantages
- 500 mA rated residual operating current for residual-current protection.
- 63 A rated current for electrical distribution applications.
- Two-pole configuration for compatible circuits.
- Type A residual-current characteristic.
- Detection of sinusoidal AC and pulsating DC residual currents.
- Designed to complement overcurrent protection in compatible ABB S800 installations.
- Supports coordinated residual-current and circuit protection within electrical distribution equipment.
- ABB-engineered solution for professional electrical installations.
Key Features
- ABB DDA802 residual current device.
- 63 A rated current.
- 500 mA rated residual operating current.
- Two-pole design.
- Type A residual-current detection.
- Responds to sinusoidal AC and pulsating DC residual currents.
- Designed for residual-current protection in compatible electrical distribution systems.
- Suitable for use with the corresponding ABB S800 circuit-breaker system.
- Provides earth-leakage fault detection as part of a correctly configured protective assembly.
Reliable Residual-Current Protection for Electrical Distribution
Residual-current protection monitors the balance of current flowing through a circuit and responds when leakage to earth produces a residual current above the device's operating threshold. With a rated residual operating current of 500 mA, the ABB DDA802 A-63/0.5 provides residual-current fault detection for compatible electrical distribution systems requiring a Type A device.
The DDA802 is intended to work as part of ABB's compatible high-performance circuit protection system rather than replacing the overcurrent protection function of the associated circuit breaker. Its Type A characteristic enables detection of both sinusoidal alternating and pulsating direct residual currents, while the 63 A current rating supports a wide range of distribution applications.
Typical Applications
- Electrical distribution systems requiring 500 mA residual-current protection.
- Compatible ABB S800 circuit-breaker installations.
- Commercial electrical distribution boards.
- Industrial electrical distribution equipment.
- Building electrical installations requiring Type A residual-current detection.
- Circuits requiring residual-current protection alongside compatible overcurrent protection.
Technical Specifications
| Series | DDA800 |
|---|---|
| ABB order code | 2CSB802101R4630 |
| Product group | S800 / S800P / S750 MCB |
| Product type | Residual current device (RCD) |
| Number of poles | 2 |
| Rated current | 63 A |
| Rated residual operating current | 500 mA |
| Residual-current type | A |
| Residual-current detection | Sinusoidal AC and pulsating DC residual currents |
Frequently Asked Questions
What is the ABB DDA802 A-63/0.5 used for?
The ABB DDA802 A-63/0.5 is a residual current device designed to provide earth-leakage protection in compatible electrical distribution installations, with a rated residual operating current of 500 mA.
What is the rated current of the ABB DDA802 A-63/0.5?
The DDA802 A-63/0.5 has a rated current of 63 A and a two-pole configuration.
What is the residual-current sensitivity of the DDA802 A-63/0.5?
The device has a rated residual operating current of 500 mA.
What does Type A mean on the ABB DDA802 A-63/0.5?
Type A means the device is designed to detect sinusoidal alternating residual currents as well as pulsating direct residual currents, making it suitable for applications where these residual-current waveforms may occur.
Does the ABB DDA802 A-63/0.5 provide overcurrent protection?
The DDA802 provides the residual-current protection function and is intended for use with a compatible ABB circuit breaker that provides the required overload and short-circuit protection within the assembled protective system.
Trusted Residual-Current Protection from ABB
ABB DDA800 residual current devices complement compatible high-performance circuit breakers with dependable earth-leakage detection for coordinated electrical distribution protection.
