S-ARC1 B6 Arc Fault Detection Device (AFDD) with MCB – 1P+N – B – 6 A – 6 kA

Why Choose the ABB S-ARC1 B6 Arc Fault Detection Device?

The ABB S-ARC1 B6 is a compact arc fault detection device (AFDD) with integrated miniature circuit breaker (MCB) designed to provide enhanced protection for single-phase final circuits. As part of the ABB S-ARC1 series, it combines arc fault detection with thermal-magnetic overload and short-circuit protection within a single two-module DIN rail device.

The S-ARC1 is designed to protect end-user circuits against earth, parallel and series arc faults as well as conventional overloads and short-circuit currents. Integrated AFDD indication and internal testing functionality assist with monitoring the device while providing an additional level of protection against electrical arcing that a conventional MCB alone is not designed to detect.

With a rated current of 6 A, a B tripping characteristic and a rated operational voltage of 230–240 V AC, the S-ARC1 B6 is designed for 1P+N single-phase circuits. It provides a 6 kA rated service short-circuit breaking capacity and a 7.5 kA rated ultimate short-circuit breaking capacity, making it suitable for compatible residential and commercial final circuits.

Key Advantages

• Combines arc fault detection and MCB protection in one compact device.
• 6 A rated current with B tripping characteristic.
• Protects against earth, parallel and series arc faults.
• Integrated thermal-magnetic protection against overloads and short circuits.
• 6 kA rated service short-circuit breaking capacity.
• 7.5 kA rated ultimate short-circuit breaking capacity.
• AFDD trip indication and internal test functionality assist with operation and diagnostics.
• Flexible mounting orientation and supply-side connection simplify installation.
• Compact two-module design helps conserve distribution board space.

Key Features

• ABB S-ARC1 arc fault detection device series.
• 6 A rated current.
• B tripping characteristic.
• 1P+N configuration with one protected pole.
• 230–240 V AC rated operational voltage.
• 50–60 Hz rated frequency.
• 170 V AC minimum operating voltage.
• 6 kA rated service short-circuit breaking capacity.
• 7.5 kA rated ultimate short-circuit breaking capacity.
• 500 V rated insulation voltage.
• 4 kV rated impulse withstand voltage.
• Integrated thermal-magnetic MCB functionality.
• 275 V AC overvoltage protection threshold.
• AFDD trip indication and internal test LED.
• Red ON / green OFF contact position indication.
• DIN rail mounting with screw terminals.
• Compact two-module construction.

Enhanced Arc Fault and Overcurrent Protection

Arc fault detection devices monitor electrical circuits for characteristic conditions associated with potentially dangerous electrical arcing. The ABB S-ARC1 is designed to protect against earth, parallel and series arc faults while its integrated miniature circuit breaker provides thermal-magnetic protection against overloads and short-circuit currents.

Combining AFDD and MCB functionality within a compact two-module device helps simplify distribution board design while providing protection against electrical faults that conventional MCBs alone are not designed to detect. The S-ARC1 series also incorporates AFDD indication and internal testing functionality to support dependable protection and straightforward fault diagnosis.

Typical Applications

• Residential electrical distribution boards.
• Commercial electrical distribution systems.
• Single-phase final circuits requiring enhanced arc fault protection.
• Circuits protected at 6 A requiring a B tripping characteristic.
• Lighting and compatible low-current final circuits.
• Installations where enhanced protection against electrically initiated fires is required.
• Installations requiring combined arc fault, overload and short-circuit protection.