Rated 0.5 A at 35 °C, derating to 0.38 A at 60 °C — the thermal curve matters when the breaker shares a crowded enclosure with other heat sources. IP20 with connected conductors means the busbar and wiring must be inside an enclosure — it is not a standalone outdoor device.
Siemens 5SY5105-7CC11 SENTRON MCB, 1P C 0.5 A, 10 kA DC
MPN5SY5105-7CC11
Siemens SENTRON 5SY5105-7CC11, 1-pole C-curve miniature circuit breaker, 0.5 A, 10 kA DC breaking capacity per IEC 60947-2, designed for railway applications.
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Product designation | Miniature circuit breaker |
| Brand name | SENTRON |
| Number of poles | 1 |
| Pole design | 1P |
| Application suitability | Railway |
| Parameter | Value |
|---|---|
| Tripping characteristic class | C |
| Overvoltage category | III |
| Parameter | Value |
|---|---|
| Mounting position | any |
| Fastening method | Quick assembly system |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Width | 18 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Modular width units | 1 |
| Torque, min. | -40 °C |
| Torque, max. | 75 °C |
| Sealable | Yes |
| Parameter | Value |
|---|---|
| IP protection class | IP20, with connected conductors |
| Pollution degree | 3 |
| Halogen-free | Yes |
| Silicone-free | Yes |
Product details
Frequently asked questions
Where can I buy 5SY5105-7CC11 and how do I 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.
What compliance documentation does this brand provide for 5SY5105-7CC11?
The breaker is designed for railway applications and carries IEC 60947-2 DC breaking capacity certification. It is halogen-free and silicon-free, and vibration-tested per IEC 60068-2-6.
What is 5SY5105-7CC11's listed depth (76 mm) on this component line?
The overall depth is 76 mm; the installation depth (behind the panel face) is 70 mm.
What is 5SY5105-7CC11's listed width (18 mm) on this component line?
The width is 18 mm, which corresponds to 1 modular unit on a standard DIN rail.
MPN
5SY5105-7CC11