Siemens 5SL6302-7 SENTRON Miniature Circuit Breaker 3P 2A C 6kA

The Siemens 5SL6302-7 is a SENTRON 3-pole miniature circuit breaker rated at 2A with a C tripping characteristic, providing overcurrent and short-circuit protection on 400V AC supplies. It achieves a breaking capacity of 6kA to EN 60898 and IEC 60947-2 with energy limitation class 3. Suitable for residential buildings and infrastructure installations.

Technical specifications:

• MLFB: 5SL6302-7
• Manufacturer: Siemens
• Product line: SENTRON
• Poles: 3 (3P)
• Tripping characteristic: C
• Rated current: 2A at 30°C, 1.9A at 40°C, 1.75A at 55°C
• Rated voltage: 400V AC (max 440V multi-phase AC)
• DC operating voltage: max 62.5V per pole
• Frequency: 50/60 Hz
• Breaking capacity: 6kA (EN 60898 / IEC 60947-2)
• Energy limitation class: 3
• Power loss: 1.2W per pole (hot state, rated current)
• IP rating: IP20 (with connected conductors)
• Overvoltage category: 3, degree of pollution: 2
• Operating temperature: -25°C to 45°C
• Storage temperature: -40°C to 75°C
• Mounting position: any
• Module width: 3 units
• Dimensions: 54 x 90 x 76mm (W x H x D), installation depth 70mm
• Weight: 395g
• Conductor cross-section: 0.75-25mm² (solid, stranded, finely stranded with ferrule)
• Tightening torque: 2.5-3 Nm
• Mechanical service life: 10,000 operating cycles (typical)

Features and benefits:

• Halogen-free and silicon-free construction
• Sealable design for tamper protection
• Touch-protected terminals (IP20 with conductors fitted)
• Compatible with supplementary add-on devices
• Accepts any mounting position for flexible panel layouts
• Rated for both AC and DC circuits (DC use restricted to 62.5V per pole)

Applications:

• Branch circuit protection in residential buildings and infrastructure
• Distribution boards and consumer units on 400V AC networks
• Protection of inductive loads requiring a C-curve trip response
• Low-voltage DIN rail switchgear panels
• Battery system DC circuits up to 62.5V per pole

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

Also known as: Siemens 5SL6302-7, SENTRON 3-pole MCB 2A C-curve 6kA.