Siemens Miniature circuit breaker, B, 1-pole, 230/400V, 10kA, 6A Part number 5SY4106-6

Product Overview

The Siemens 5SY4106-6 is a SENTRON miniature circuit breaker in a 1-pole configuration, rated at 6 A with a B-curve tripping characteristic. It is designed for use in low-voltage distribution systems and industrial installations requiring compact protection for single-phase circuits. With a width of 18 mm and mounting depth of 70 mm, it is ideal for space-efficient panel installation.

Key Features

• 1-pole miniature circuit breaker (SENTRON 5SY4 series)
• Rated current: 6 A
• Tripping characteristic: B-curve for general loads with low inrush
• Rated operational voltage: 230 V (single-phase) / 400 V (three-phase) AC
• Breaking capacity: 10 kA per EN 60898, up to 35 kA per IEC 60947-2
• Width: 18 mm (1 modular unit) — suitable for compact distribution boards
• Screw-type terminals; solid conductor cross-section up to 35 mm²
• Sealable and halogen-free housing, suitable for industrial applications

Technical Specifications

• Product Series: SENTRON 5SY4
• Article Number: 5SY4106-6
• Poles: 1-pole (1P)
• Rated Current (In): 6 A
• Tripping Curve: B - characteristic
• Rated Voltage: 230/400 V AC (50/60 Hz)
• Breaking Capacity Icn: 10 kA (EN 60898) / up to 35 kA (IEC 60947-2)
• Width: 18 mm
• Mounting Depth: 70 mm
• Connectable Conductor Cross-Section: Solid 0.75-35 mm² / Stranded 0.75-35 mm²
• Ambient Operating Temperature: –25 °C to +55 °C (typical reference)

Compliance & Certifications

• Manufactured by Siemens under the SENTRON low-voltage breakers portfolio
• Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards for miniature circuit breakers

Applications

Designed for protection of branch circuits, lighting feeders, control circuits and general distribution boards in commercial and industrial environments. Its compact size and high breaking capacity make it a reliable choice for single-phase protection where space is limited and performance is required.