Siemens 5SY45 MCB Miniature Circuit Breaker 1+N 4A C-Curve 230V New Germany

All the best /Klaus

For sale is a never used Siemens 5SY45 MCB miniature circuit breaker (1+N, 4A, C-curve, 230V AC), made in Germany. Supplied in the original Siemens box with visible marks and wear from shelf storage. The breaker itself is untouched and in immaculate, unused condition.

Key Specifications & Features

• Brand: Siemens

• Model: 5SY45 MCB (exact part may reference 5SY4504-7)

• Type: Miniature Circuit Breaker (MCB), Sentron series

• Configuration: 1+N (Single pole + Neutral)

• Rated Current: 4A, Type C tripping characteristic

• Voltage: 230V AC

• Breaking Capacity: 10kA IEC/EN 60898

• Mounting: DIN rail standard

• Protection Class: IP20 with conductors, meets IEC and VDE standards

• Mechanical Life: Typically rated for 10,000 operations

• Made in Germany: Trusted quality, long service lifespan, ideal for professional panel builds and upgrades

Application & Background

Siemens miniature circuit breakers are renowned for robust protection and high reliability in distribution boards for residential, commercial, and industrial use. The 5SY4/5 series meets international safety and performance standards, making it a popular choice for facility maintenance and upgrades.

Condition

New, never installed. The box displays shelf dust, marks, and cosmetic wear, but the breaker is pristine and untouched. Photos show the actual item and its packaging condition.