Siemens 5SL6163-7 Miniature Circuit Breaker 1P 63A C 6kA 230/400V

The Siemens 5SL6163-7 (MLFB: 5SL6163-7) is a 1-pole SENTRON miniature circuit breaker rated at 63 A with a Type C tripping characteristic and a breaking capacity of 6 kA per EN 60898 and IEC 60947-2. Designed for use in AC circuits at 230/400 V, it provides overcurrent and short-circuit protection for residential and infrastructure installations.

Technical specifications:

• MLFB: 5SL6163-7
• Manufacturer: Siemens
• Product line: SENTRON
• Product type: Miniature circuit breaker
• Number of poles: 1 (1P)
• Tripping characteristic: C
• Rated current: 63 A at 30 °C / 59.18 A at 40 °C / 52.93 A at 55 °C
• Supply voltage (AC): 400 V, 50/60 Hz
• Maximum operating voltage (multi-phase AC): 440 V
• Maximum operating voltage (DC): 62.5 V per pole
• Insulation voltage: 250 V (single-phase AC) / 440 V (multi-phase AC)
• Breaking capacity: 6 kA (EN 60898 / IEC 60947-2)
• Energy limitation class: 3
• Power loss per pole (rated current, hot state): 5.2 W
• IP rating: IP20 with connected conductors
• Overvoltage category: 3 / Degree of pollution: 2
• Conductor cross-section: 0.75 - 25 mm² (solid, stranded, finely stranded with ferrule)
• Tightening torque: 2.5 - 3 Nm
• Dimensions (WxHxD): 18 x 90 x 76 mm / Installation depth: 70 mm
• Modular width: 1 module (18 mm)
• Net weight: 160 g
• Operating temperature: -25 °C to +45 °C
• Storage temperature: -40 °C to +75 °C
• Mounting position: Any
• Mechanical service life: 10,000 operating cycles (typical)

Features and benefits:

• Halogen-free construction for reduced toxic gas emission in case of fire
• Silicon-free design suitable for environments sensitive to silicone contamination
• Sealable toggle to prevent unauthorised operation
• Touch-protected terminals (IP20) for safe installation and maintenance
• Compatible with supplementary devices for extended functionality
• Suitable for both AC and DC circuits (DC rated at 62.5 V per pole)

Applications:

• Final circuit protection in residential distribution boards
• Infrastructure and commercial building electrical installations
• Overcurrent and short-circuit protection for high-load circuits up to 63 A
• DIN rail mounted distribution systems requiring compact 18 mm wide devices

Compliant with EN 60898 and IEC 60947-2. Part of the Siemens SENTRON range.

Also known as: Siemens 5SL6163-7, Siemens SENTRON 1P 63A MCB, Siemens 6kA miniature circuit breaker 63A.