The Siemens SENTRON 5SQ2170-0KA01 is a 1-pole miniature circuit breaker rated at 1 A with a C tripping characteristic, designed for 240 V AC at 50 Hz.
Installation depth is 55 mm, so it clears most shallow enclosures without forcing a deeper box.
Siemens SENTRON 5SQ2170-0KA01 MCB, 1-pole C-curve 1A, 3kA
MPN5SQ2170-0KA01
Siemens SENTRON 5SQ2170-0KA01, miniature circuit breaker, 1-pole, C-curve, 1 A, 3 kA breaking capacity, 240 V AC, 50 Hz, IP20.
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
Specifications
| Parameter | Value |
|---|---|
| Brand name | SENTRON |
| Number of poles | 1 |
| Parameter | Value |
|---|---|
| Tripping characteristic class | C |
| Rated value (EN 60898) | 3 kA |
| Overvoltage category | 3 |
| Parameter | Value |
|---|---|
| Installation depth | 55 mm |
| Parameter | Value |
|---|---|
| IP protection class | IP20 |
| Parameter | Value |
|---|---|
| Type of voltage | AC/DC |
| Energy limiting class | 3 |
| Number of width units | 1 |
| Number of poles (Note) | 1P |
| Circuit-breaker (Design) | 5SQ |
| Current (at AC) | 1 A |
| Acc. to IEC 60947-2 / rated value | 3 kA |
| Supply voltage (at AC) | 240 V |
| Supply voltage frequency | 50 Hz |
| Product function (neutral conductor switching) | No |
Product details
Frequently asked questions
What is the breaking capacity of 5SQ2170-0KA01?
3 kA per EN 60898 and also 3 kA per IEC 60947-2 — the same figure under both standards, so it's a straightforward fit for standard residential or commercial sub-distribution boards where the prospective fault current stays under that level.
Where can I buy 5SQ2170-0KA01?
Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing are confirmed at quote time.
MPN
5SQ2170-0KA01