Siemens 5SL6150-7 Miniature Circuit Breaker 1P 50A C 6kA

The Siemens 5SL6150-7 is a 1-pole SENTRON miniature circuit breaker rated 50A with a type C tripping characteristic, designed for overcurrent and short-circuit protection in 230/400V AC installations. It delivers a breaking capacity of 6kA per EN 60898 and IEC 60947-2, with energy limitation class 3 for downstream component protection. Rated for residential buildings and infrastructure applications.

Technical specifications:

• MLFB: 5SL6150-7
• Manufacturer: Siemens
• Product line: SENTRON
• Poles: 1 (design: 1P)
• Tripping characteristic: C
• Rated current: 50A at 30°C / 46.97A at 40°C / 42.01A at 55°C
• Rated voltage AC: 400V, 50/60 Hz
• Operating voltage multi-phase AC: max 440V
• Operating voltage DC: max 62.5V per pole
• Insulation voltage: 250V (single-phase AC) / 440V (multi-phase AC)
• Breaking capacity: 6kA (EN 60898 / IEC 60947-2)
• Energy limitation class: 3
• Power loss: 3.8W per pole at rated current (hot operating state)
• IP rating: IP20 with connected conductors
• Overvoltage category: 3 / Pollution degree: 2
• Mechanical service life: 10,000 operating cycles
• Connectable conductor: 0.75 - 25 mm² (solid, stranded, finely stranded with core end processing)
• Tightening torque: 2.5 - 3 N·m
• Dimensions (WxHxD): 18 x 90 x 76 mm / installation depth: 70 mm
• Modular width: 1 unit / mounting position: any
• Weight: 159.7 g
• Operating temperature: -25°C to 45°C
• Storage temperature: -40°C to 75°C

Features and benefits:

• Halogen-free and silicon-free construction
• Sealable design to prevent unauthorised adjustment
• Touch protection (IP20) with connected conductors
• Compatible with supplementary add-on devices
• Any mounting position for flexible panel installation
• Suitable for AC and DC circuits (not mixed use)

Applications:

• Final circuit protection in residential buildings
• Infrastructure distribution boards and consumer units
• DIN rail installations requiring single-pole 50A protection
• Circuits with inductive loads suited to type C tripping
• DC installations up to 62.5V per pole (battery systems with peak up to 72V)

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

Also known as: Siemens 5SL6150-7, SENTRON miniature circuit breaker 1P 50A type C 6kA.