The Siemens 5SY4406-6CC11 is a miniature circuit breaker rated 400 V with a 10 kA breaking capacity, 4-pole, B-curve, 6 A, and is specified for railway applications. The 10 kA interrupting rating at 400 V ensures it can clear a bolted fault on a rail auxiliary supply without upstream coordination issues.
Siemens 5SY4406-6CC11 MCB 400V 10kA 4P B 6A Railway
MPN5SY4406-6CC11
Siemens 5SY4406-6CC11 miniature circuit breaker, 400 V 10 kA, 4-pole, B-curve, 6 A, for railway applications.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
Frequently asked questions
Who supplies 5SY4406-6CC11 and how is it quoted?
This part is sourced and quoted to order against an RFQ through independent distribution, with availability and current pricing confirmed at quote time.
What are the key ratings of 5SY4406-6CC11?
It is a 400 V, 10 kA, 4-pole, B-curve, 6 A miniature circuit breaker for railway applications.
MPN
5SY4406-6CC11