Siemens 5SY41326 MCB interruttore automatico 230/400V 10kA 1P B 32A 70mm

The Siemens 5SY41326 is a high-quality miniature circuit breaker (MCB) designed for reliable overcurrent protection in electrical installations. With a rated current of 32A and a tripping characteristic of B, it ensures safe operation for lighting and general-purpose circuits. This 1-pole breaker features a rated switching capacity of 10kA and is suitable for AC voltages up to 400V. Its compact 18mm width (1 module) allows for space-saving installation on standard DIN rails (TH 35mm). The device is equipped with screw terminals for secure wiring and offers an installation depth of 70mm. Ideal for residential, commercial, and industrial applications, the Siemens 5SY41326 meets high safety standards with IP20 protection and overvoltage category III.

Advantages

High breaking capacity of 10kA ensures reliable fault clearing. B-curve characteristic provides fast response to short circuits while allowing moderate inrush currents. Compact 1-module design saves space in distribution boards. Easy DIN rail mounting simplifies installation. Screw terminals accommodate a wide range of conductor sizes (0.75-35mm² solid, 0.75-25mm² stranded).

Suitable for

• Lighting circuits
• General-purpose socket outlets
• Residential and commercial distribution boards
• Industrial control panels

Key specifications

• Brand: Siemens
• Model: 5SY41326
• MPN: 5SY41326
• EAN: 4001869181240
• Product type: Miniature Circuit Breaker (MCB)
• Number of poles: 1P
• Tripping characteristic: B
• Rated current: 32 A
• Rated voltage (AC): 230/400 V
• Rated switching capacity: 10 kA
• Frequency: 50/60 Hz
• Installation depth: 70 mm
• Overall depth: 76 mm
• Width: 18 mm (1 module)
• Height: 90 mm
• Degree of protection: IP20
• Terminal type: Screw terminals
• Conductor cross-section (solid): 0.75 - 35 mm²
• Conductor cross-section (stranded): 0.75 - 25 mm²
• Mounting type: DIN rail (TH 35 mm)
• Overvoltage category: III
• Pollution degree: 3

Recommendations

For optimal performance, ensure proper torque settings when tightening screw terminals. Use with compatible Siemens distribution boards and accessories. Always follow local electrical codes and regulations.