Siemens 5SL6310-6 SENTRON Miniature Circuit Breaker 3P 10A B 6kA

The Siemens 5SL6310-6 (MLFB: 5SL6310-6) is a 3-pole SENTRON miniature circuit breaker rated at 10 A with a type B tripping characteristic and a breaking capacity of 6 kA. Designed for AC supply at 400 V / 50-60 Hz, it provides overcurrent and short-circuit protection in residential and infrastructure installations.

Technical specifications:

• MLFB: 5SL6310-6
• Manufacturer: Siemens
• Product line: SENTRON
• Product type: Miniature circuit breaker
• Number of poles: 3 (3P)
• Tripping characteristic: B
• Rated current: 10 A (at 30 °C); 9.52 A (at 40 °C); 8.74 A (at 55 °C)
• AC supply voltage: 400 V, 50/60 Hz
• Maximum operating voltage AC (multi-phase): 440 V
• Maximum operating voltage DC: 62.5 V per pole
• Insulation voltage (Ui): 440 V AC (multi-phase)
• Breaking capacity: 6 kA (EN 60898 / IEC 60947-2)
• Energy limitation class: 3
• Overvoltage category: 3
• Degree of pollution: 2
• IP rating: IP20 (with connected conductors)
• Power loss per pole (rated current, hot state): 1.6 W
• Connectable conductor cross-section: 0.75 - 25 mm² (solid, stranded, finely stranded with ferrule)
• Tightening torque: 2.5 - 3 Nm
• Dimensions (W x H x D): 54 x 90 x 76 mm; installation depth 70 mm
• Modular width units: 3
• Net weight: 389.5 g
• Mounting position: any
• Operating temperature: -25 °C to +45 °C
• Storage temperature: -40 °C to +75 °C
• Mechanical service life: 10,000 operating cycles (typical)

Features and benefits:

• Halogen-free construction for reduced toxic emissions in fire conditions
• Touch-protected terminals (IP20) for safe handling in installed state
• Sealable design to prevent unauthorised operation
• Silicon-free materials suitable for use in sensitive environments
• Compatible with supplementary add-on devices for extended functionality
• Suitable for both AC and DC circuits (DC max 62.5 V per pole); mixed use not permitted

Applications:

• Final circuit protection in residential buildings and infrastructure installations
• Distribution board protection in commercial and light industrial panel boards
• DIN rail mounted branch circuit protection in consumer units
• Protection of cables and wiring in AC 400 V three-phase systems

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

Also known as: Siemens 5SL6310-6, Siemens SENTRON 3-pole 10 A MCB B-curve.