Siemens 5SY4332-7 Miniature Circuit Breaker 3P C32A 10kA

The Siemens 5SY4332-7 is a 3-pole miniature circuit breaker from the SENTRON range, rated at 32 A with tripping characteristic C and a breaking capacity of 10 kA per EN 60898-1. It provides overload and short-circuit protection on 400 V AC systems and is certified for both infrastructure and industrial use.

Technical specifications:

• MLFB: 5SY4332-7
• Manufacturer: Siemens
• Product line: SENTRON
• Product type: Miniature circuit breaker
• Number of poles: 3 (3P)
• Tripping characteristic: C
• Rated current: 32 A AC
• Rated voltage: 400 V AC / 60 V DC (max 72 V DC)
• Insulation voltage (Ui): 440 V
• Breaking capacity (EN 60898): 10 kA
• Breaking capacity (IEC 60947-2): 20 kA
• Breaking capacity DC (IEC 60947-2): 15 kA
• Energy limitation class: 3
• IP rating: IP20 (with connected conductors)
• Overvoltage category: 3 / Degree of pollution: 3
• Mounting: DIN rail, any position
• Installation depth: 70 mm
• Dimensions (WxHxD): 54 x 90 x 76 mm
• Weight: 466 g
• Conductor cross-section (solid/stranded): 0.75 - 35 mm²
• Tightening torque: 2.5 - 3.5 N·m
• Operating temperature: -40°C to 70°C
• Mechanical service life: 10,000 operating cycles
• Standards: IEC/EN 60898-1, IEC/EN 60947-2

Features and benefits:

• Halogen-free and silicon-free construction
• Touch protection included as standard
• Sealable design for tamper resistance
• Suitable as a main switch per EN 60204-1
• Energy limitation class 3 for enhanced downstream device protection
• Accepts supplementary devices for expanded functionality

Applications:

• Short-circuit and overload protection in industrial control panels
• Branch circuit protection in infrastructure distribution boards
• Motor branch circuits where characteristic C inrush tolerance is required
• Main switch duty in machinery installations per EN 60204-1

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

Also known as: Siemens 5SY4332-7, SENTRON 3-pole C32 miniature circuit breaker.