Siemens 5SY4316-7 Miniature Circuit Breaker 3P C16A 10kA SENTRON

The Siemens 5SY4316-7 is a 3-pole SENTRON miniature circuit breaker providing overcurrent and short-circuit protection in AC systems up to 400V. Rated at 16A with tripping characteristic C, it delivers a breaking capacity of 10kA to EN 60898 and 20kA to IEC 60947-2. An installation depth of 70mm suits standard DIN rail enclosures across infrastructure and industry applications.

Technical specifications:

• MLFB: 5SY4316-7
• Manufacturer: Siemens
• Product line: SENTRON
• Poles: 3 (3P)
• Rated current: 16A AC
• Rated voltage: 400V AC / 60V DC (max 72V DC)
• Insulation voltage (Ui): 440V
• Tripping characteristic: C
• Instantaneous trip (Ii): 8 x In
• Breaking capacity: 10kA (EN 60898), 20kA (IEC 60947-2), 15kA DC (IEC 60947-2)
• Energy limitation class: 3
• IP rating: IP20 with connected conductors
• Overvoltage category: 3 / Degree of pollution: 3
• Operating temperature: -40°C to +70°C
• Storage temperature: -40°C to +75°C
• Mounting: DIN rail, any position
• Modular width: 3 units
• Dimensions (W x H x D): 54 x 90 x 76mm
• Installation depth: 70mm
• Net weight: 445.8g
• Conductor cross-section: 0.75-35mm² solid/stranded, 0.75-25mm² finely stranded with ferrule
• Tightening torque: 2.5-3.5 N·m
• Frequency: 50/60 Hz
• Mechanical service life: 10,000 operating cycles

Features and benefits:

• Halogen-free and silicon-free construction
• Sealable design for tamper prevention
• Touch protection (IP20) with conductors connected
• Compatible with supplementary add-on devices
• Qualifies as a main switch per EN 60204-1
• Any mounting position for flexible panel layout

Applications:

• Branch circuit protection in industrial distribution boards
• Motor feeder protection in machine control panels
• Final circuit protection in three-phase commercial installations
• Infrastructure panels requiring DIN rail-mounted overcurrent protection
• Installations requiring simultaneous compliance with EN 60898 and IEC 60947-2

Compliant with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077. Part of the Siemens SENTRON range.

Also known as: Siemens 5SY4316-7, SENTRON miniature circuit breaker 3P C16A 10kA.