It carries a C tripping characteristic at 1 A, two poles, and a DC breaking capacity of 10 kA per IEC 60947-2 at 440 V DC — the voltage you see in 110 V and 220 V DC train supply buses. The 400 V AC rating covers station or depot supply where the same breaker may see both AC and DC.
Siemens 5SY5201-7CC11 SENTRON MCB, 2P C 1A, 10kA DC, Railway
MPN5SY5201-7CC11
Siemens SENTRON 5SY5201-7CC11 miniature circuit breaker, 2-pole, C-curve, 1 A, 440 V DC / 400 V AC, 10 kA DC breaking capacity, for railway applications.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Application environment | Railway |
| Parameter | Value |
|---|---|
| Number of poles | 2 |
| Parameter | Value |
|---|---|
| Tripping characteristic class | C |
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Modular width units | 2 |
| Width | 36 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Mounting position | any |
| Min. | -40 °C |
| Max. | 75 °C |
| Protection degree (IP) | IP20, with connected conductors |
| Parameter | Value |
|---|---|
| Pollution degree | 3 |
Product details
Frequently asked questions
What is the DC breaking capacity of 5SY5201-7CC11?
The DC breaking capacity is 10 kA at 440 V DC per IEC 60947-2. The maximum DC operating voltage is 500 V.
Will 5SY5201-7CC11 drop into a panel specified for 5SY5240-7?
Yes — both share the same 76 mm depth, 36 mm width, 90 mm height, 2-pole design, 2 modular width units, and quick-assembly DIN-rail mounting. The 5SY5240-7 is a higher-current variant; the mechanical footprint and connection scheme are identical.
Where can I buy 5SY5201-7CC11?
The part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
MPN
5SY5201-7CC11