Siemens Miniature circuit breaker 230/400 V 10kA, 1-pole, B, 16A Part number 5SY4116-6

Product Overview

The Siemens 5SY4116-6 is a miniature circuit breaker (MCB), single-pole (1 P), rated at 16 A with a B-characteristic trip curve. Designed for use in low-voltage distribution systems, this breaker provides reliable overload and short-circuit protection with a breaking capacity of 10 kA (EN 60898) and up to 20 kA per IEC 60947-2 standards.

Key Features

• Single-pole miniature circuit breaker (MCB) in the SENTRON 5SY4 series
• Rated current: 16 A
• Tripping characteristic: B (fast trip for moderate overloads)
• Rated breaking capacity: 10 kA at 230/400 V AC (EN 60898) and up to 20 kA per IEC standards
• Compact width: 18 mm (1 module width unit) and 70 mm installation depth
• Mounts on DIN rail (35 mm) within distribution cabinets
• Auxiliary features: Touch protection (IP20 with connected conductors), halogen-free, sealable design

Technical Specifications

• Article Number: 5SY4116-6
• Series: SENTRON 5SY4 miniature circuit breaker
• Number of Poles: 1 (single-pole)
• Rated Current (In): 16 A
• Supply Voltage: 230/400 V AC, 50/60 Hz
• Rated Insulation Voltage (Ui): 440 V (AC)
• Degree of Pollution: 3
• Overvoltage Category: III
• Rated Breaking Capacity (Icn): 10 kA (EN 60898), 20 kA (IEC 60947-2)
• Width: 18 mm (≈1 module)
• Installation Depth: 70 mm
• Mechanical Service Life: approx. 10 000 switching operations
• Operating Ambient Temperature: –40 °C … +70 °C

Compliance & Certifications

• Conforms to EN 60898-1, IEC/EN 60947-2 standards for miniature circuit breakers
• Manufactured under Siemens SENTRON industrial-protection equipment quality standards

Applications

Used in low-voltage distribution boards, consumer units, control panels and switchgear where single-pole protection is required for branch circuits, lighting or small loads. The B-curve characteristic makes it particularly suitable for circuits with purely resistive or low inrush loads.