The Siemens 5SY5120-6CC11 is a 1-pole miniature circuit breaker (MCB) with a B-curve trip characteristic, rated 20 A and a breaking capacity of 10 kA at 230/400 V AC and 220 V DC, specifically designated for railway applications.
Siemens 5SY5120-6CC11 MCB, 20A, 1-pole, B-curve, 10kA, railw
MPN5SY5120-6CC11
Siemens 5SY5120-6CC11, 1-pole miniature circuit breaker, B-curve, 20 A, 10 kA breaking capacity at 230/400 V AC and 220 V DC, for railway applications.
Source DocumentedChannel stated on listing & quote
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Product details
Frequently asked questions
Where can I buy 5SY5120-6CC11 and get a price?
This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time.
What is the breaking capacity and voltage rating?
10 kA at 230/400 V AC and 220 V DC, 1-pole, B-curve, 20 A, for railway applications.
MPN
5SY5120-6CC11