2CSR272001R1405 ABB DS202MACB400.03 DS202 M AC-B40/0.03 40 A 30 mA RCBO

Why Choose the ABB DS202MACB400.03 RCBO?

The ABB DS202MACB400.03 is a high-performance 2-pole residual current circuit breaker with overcurrent protection (RCBO) designed to provide combined protection against overloads, short circuits and sinusoidal AC earth fault currents. Part of the proven ABB DS200 / DS202 M series, this device combines residual-current and overcurrent protection within a single DIN-rail mounted unit for commercial and industrial electrical installations.

With a rated current of 40 A, 30 mA residual-current sensitivity and Type B tripping characteristic, the DS202 M AC-B40/0.03 provides dependable protection for final circuits where rapid response to lower overcurrents is required. Its AC-type residual-current detection responds to sinusoidal alternating earth fault currents, helping protect people and installations against electrical faults.

The DS202MACB400.03 offers a rated short-circuit capacity of 10 kA and is designed for 230 V AC, 50–60 Hz systems. ABB supplies the unit under order code 2CSR272001R1405, with a test pushbutton for functional checking and visual indication features that simplify inspection and maintenance.

Key Advantages

• Combined residual-current, overload and short-circuit protection in one device.
• 40 A rated current for commercial and industrial final circuits.
• 30 mA residual-current sensitivity for additional protection against electric shock.
• Type B tripping characteristic for responsive overcurrent protection.
• AC-type residual-current detection for sinusoidal alternating earth fault currents.
• 10 kA rated short-circuit capacity for demanding electrical installations.
• Integrated test pushbutton allows routine verification of residual-current operation.
• Factory-combined ABB DS200 design simplifies installation and wiring.

Key Features

• ABB DS202 M AC RCBO from the DS200 range.
• 2-pole configuration.
• 40 A rated current.
• 30 mA rated residual operating current.
• B characteristic overcurrent release.
• AC-type residual-current protection.
• 10 kA short-circuit capacity.
• 230 V AC rated operational voltage.
• 50–60 Hz rated frequency.
• DIN-rail format for installation in distribution and control panels.
• Test pushbutton for checking correct residual-current functionality.

Reliable Combined Circuit and Residual-Current Protection

RCBOs combine the functions normally provided by a miniature circuit breaker and residual-current protection device. The ABB DS202 M AC-B40/0.03 therefore protects connected circuits against overload and short-circuit currents while also detecting sinusoidal alternating earth leakage currents that could present a risk to people or equipment.

The ABB DS200 range is designed for demanding commercial and industrial applications. Its factory-combined construction simplifies assembly and installation, while features including the test pushbutton, earth fault indication and contact-position indication support straightforward inspection, testing and fault identification.

Typical Applications

• Commercial electrical distribution boards.
• Industrial electrical installations.
• Final circuit protection.
• Lighting and general power circuits.
• Electrical control and distribution panels.
• Circuits requiring combined overcurrent and residual-current protection.
• Installations requiring 30 mA additional protection.