2CSR254001R1204 ABB DS204 AC-C20/0.03 RCBO 4P Type AC C20 30mA 6kA

Why Choose the ABB DS204 AC-C20/0.03 RCBO?

The ABB DS204 AC-C20/0.03 is a reliable 4-pole residual current circuit breaker with overcurrent protection (RCBO) designed to protect electrical circuits against overloads, short circuits and earth leakage faults. As part of the ABB DS200 RCBO series, it combines residual current and overcurrent protection in a single compact protective device for commercial and industrial electrical distribution systems.

This Type AC RCBO is designed to detect sinusoidal alternating residual currents, while its integrated thermal-magnetic protection safeguards conductors and connected equipment against overload and short-circuit conditions. The four-pole configuration makes it suitable for multi-pole distribution circuits where coordinated switching and protection are required.

With a rated current of 20 A, a C tripping characteristic, 30 mA residual current sensitivity and 6 kA rated short-circuit capacity, the DS204 AC-C20/0.03 provides combined protection for circuits with moderate inrush currents in commercial and industrial installations.

Key Advantages

• Combines residual current and overcurrent protection in one device.
• 4-pole configuration for multi-pole electrical distribution circuits.
• 20 A rated current for protected electrical circuits.
• 30 mA residual current sensitivity for additional protection against electric shock.
• Type AC residual current characteristic for sinusoidal AC residual currents.
• C tripping characteristic suitable for general-purpose loads with moderate inrush currents.
• 6 kA short-circuit breaking capacity for dependable circuit protection.

Key Features

• ABB DS200 series RCBO.
• 4-pole configuration.
• 20 A rated current.
• 30 mA rated residual operating current.
• Type AC residual current characteristic.
• Type C overcurrent tripping characteristic.
• 6 kA rated short-circuit capacity.
• Integrated overload, short-circuit and residual current protection.
• Designed for DIN rail installation in electrical distribution assemblies.

Reliable Four-Pole Circuit Protection

RCBOs combine the functions of a miniature circuit breaker and residual current device in one protective unit. The ABB DS204 AC-C20/0.03 therefore protects against excessive current caused by overloads or short circuits while simultaneously monitoring the installation for residual earth leakage currents.

Its Type AC residual current characteristic is intended for sinusoidal alternating residual currents, while the 30 mA sensitivity provides additional protection against electric shock. The C characteristic is suited to many general-purpose electrical loads with moderate starting currents, supporting dependable protection in commercial and industrial distribution systems.

Typical Applications

• Commercial electrical distribution systems.
• Industrial distribution boards and control panels.
• Multi-pole circuits requiring coordinated switching and protection.
• Lighting and general power circuits.
• Machinery and auxiliary equipment circuits.
• Circuits requiring combined overload, short-circuit and 30 mA residual current protection.