Siemens 4P 25A 10kA type C circuit breaker 4 modules 5SY44257

Curve C can tolerate short-term overcurrents of up to five to ten times the rated current and is widely used in domestic installations.

A circuit breaker is a safety device that can automatically (i.e., without external intervention) interrupt the flow of electric current in an electrical circuit in the event of an overcurrent.

 

Features:

• Siemens series
• Mechanical service life (switching cycles) / typ. 10.000
• Overvoltage category III
• Pollution degree 3
• Energy limitation class 3
• Degree of protection IP20, with conductors connected
• Power dissipation at current rating / with AC / in hot operating state / per pole 2.2W
• Short-circuit breaking capacity (Icn): with AC according to UL 1077 and CSA C22.2 No.235 5 kA
• Tightening torque with screw terminals: min 2.5 Nm - max 3.5 Nm
• Mains cable position: any
• Ambient temperature during operation: min -40 °C - max 70 °C
• Ambient temperature during storage: min -40 °C - max 75 °C
• Fastening type: Quick fastening system
• Any mounting position
• Number of test cycles per environmental test according to IEC 60068- 2-30: 6
• Net weight 625 grams
  
   

Dimensions:

• Height 90 mm
• Width 72 mm
• Depth 76 mm
• Recessed depth 70 mm