Siemens SENTRON 5SL6 Miniature Circuit Breaker, 1-Pole, 6A, Type B, 400V ac AC, 72 V dc DC, 6 kA Breaking Capacity

This miniature circuit breaker provides overcurrent protection for single-pole AC and DC circuits within building and infrastructure installations. Designed for DIN-rail mounting, it manages nominal AC supplies up to 400 V and accommodates battery-charging voltages with a DC operational allowance up to the specified Peak value. The device is intended for installations requiring Compact protection with recognised approvals and touch-protected connections.

• 6 A rated current delivering accurate overload protection
• 6 kA breaking capacity enabling safe fault interruption
• Type B tripping characteristic protecting sensitive circuits
• Screw terminals offering secure conductor clamping
• IP20 protection ensuring Basic finger-safe enclosure

• Suitable for domestic distribution boards and subcircuits
• Used for protecting lighting and small motor loads
• Ideal for DIN-rail electrical panels in infrastructure
• Can be used with battery-charging systems up to 72 V Peak
• Suitable for installations requiring touch-protected connections

It is rated for AC operation at up to 400 V and permits DC operation with an operational consideration for a 62.5 V DC nominal Value accounting for a battery-charging Peak of 72 V.

Conductors from 0.75 mm² to 25 mm² may be connected, with screw-terminal tightening torque between 2.5 N·m and 3 N·m.

The device operates between -25 °C and 45 °C ambient temperature and is designed for around 10 000 mechanical operating cycles.

It meets switching-capacity requirements of EN 60898 and IEC 60947-2 with an energy-limitation classification of class 3.

It mounts on a standard DIN rail, occupies one modular width unit (18 mm), and supports any mounting orientation.