2CSR255164R1104 ABB DS301CT C10 A30 RCBO 1P+N Type A 30mA 10A 6kA Traction

Why Choose the ABB DS301CT C10 A30 RCBO?

The ABB DS301CT C10 A30 is a compact 1P+N residual current circuit breaker with overcurrent protection (RCBO) specifically designed for traction and railway applications. Part of the ABB DS301C T series, it combines overload, short-circuit and residual-current protection within a single-module device while meeting demanding fire, smoke, shock and vibration requirements associated with rolling-stock electrical systems.

This RCBO provides Type A residual-current protection, responding to both sinusoidal alternating and pulsating DC residual currents. Its 30 mA rated residual operating current provides additional protection against direct contact as well as protection against earth fault currents, while its voltage-independent electromechanical operation supports dependable protective performance.

With a rated current of 10 A, C tripping characteristic and 6 kA rated short-circuit breaking capacity, the DS301CT C10 A30 is suited to traction circuits where moderate starting or inrush currents can occur. The traction-specific design meets EN 45545-2 hazard levels R22, R23 and R26/HL3, making it suitable for demanding railway vehicle installations.

Key Advantages

• Purpose-designed RCBO for traction and railway applications.
• Combines residual-current, overload and short-circuit protection in one compact device.
• 10 A rated current with C-curve overcurrent protection.
• 30 mA residual-current sensitivity for additional protection against electric shock.
• Type A protection detects sinusoidal AC and pulsating DC residual currents.
• 6 kA short-circuit breaking capacity.
• Meets EN 45545-2 R22, R23 and R26/HL3 requirements for railway applications.

Key Features

• ABB DS301C T traction RCBO series.
• 10 A rated current.
• C tripping characteristic.
• Type A residual-current protection.
• 30 mA rated residual operating current.
• 6 kA rated short-circuit breaking capacity.
• 1P+N pole configuration.
• Voltage-independent electromechanical protection.
• Designed specifically for traction and rolling-stock installations.
• Compact one-module DIN-rail construction.

Compact Type A Protection for Railway and Traction Circuits

The ABB DS301CT C10 A30 combines miniature circuit breaker and residual-current protection functions within one compact RCBO. It protects single-phase circuits against overload and short-circuit currents while also responding to sinusoidal alternating and pulsating DC residual earth fault currents. The 30 mA sensitivity provides additional protection against direct contact, while the C-curve characteristic accommodates moderate inrush currents.

Unlike the standard DS301C range intended for general building applications, the DS301C T series is specifically engineered for traction environments. Compliance with EN 45545-2 R22, R23 and R26 at hazard level HL3 supports use in railway rolling stock where stringent fire and smoke performance is required, while the compact one-module format helps conserve valuable installation space.

Typical Applications

• Railway rolling-stock electrical systems.
• Train and rail-vehicle auxiliary circuits.
• Traction electrical distribution panels.
• On-board lighting and control circuits.
• Single-phase railway circuits requiring Type A residual-current protection.
• Space-constrained rolling-stock DIN-rail assemblies.