Siemens Miniature circuit breaker, 2-pole, C, 400V, 6kA, 4A Part number 5SL6204-7

Product Overview

The Siemens 5SL6204-7 is a 2-pole miniature circuit breaker (MCB) rated at 4 A with a C-curve tripping characteristic. It is designed for use in low-voltage AC power distribution at up to 400 V AC, offering a breaking capacity of 6 kA and a compact width (2 modules) for efficient panel installations.

Key Features

• Poles: 2 (2-pole switching)
• Rated Current: 4 A
• Tripping Curve: C – suitable for moderate inrush currents
• Rated Operational Voltage: 400 V AC
• Breaking Capacity: 6 kA per EN 60898 / IEC 60947-2
• Compact Width: 36 mm (2 modular units)
• Installation Depth: 70 mm
• Switching Category: Residential buildings/infrastructure

Technical Specifications

• Product Series: SENTRON Basic Devices
• Article Number: 5SL6204-7
• Number of Poles: 2
• Rated Current (In): 4 A (at 30 °C)
• Insulation Voltage (Ui): 440 V AC (multi-phase operation)
• Rated Operational Voltage: 400 V AC / max. 72 V DC
• Breaking Capacity (Icn): 6 kA
• Power Loss at Rated Current (per pole): 0.7 W
• Installation Depth: 70 mm
• Width: 36 mm
• Ambient Temperature (Operation): –25 °C to +45 °C
• Ambient Temperature (Storage): –40 °C to +75 °C
• Connectable Conductor Size: 0.75 … 25 mm² solid or stranded
• Protection Class: IP20 (with connected conductors)
• Mechanical Service Life: Approx. 10 000 switching operations
• Country of Origin: Turkey

Compliance & Certifications

• Standards: EN 60898-1 & IEC/EN 60947-2
• RoHS Compliance: Since 01.10.2006
• WEEE Take-back Obligation: Yes
• Overvoltage Category: III
• Pollution Degree: 2

Applications

Ideal for short-circuit and overload protection in residential, commercial, and infrastructure installations. Commonly used in branch circuits, lighting circuits, and small feeder applications where compact installation and reliable protection are required.