Siemens SENTRON 5SL3 series, miniature circuit breaker, 4-pole, C-curve, 1 A, 400 V AC, 4.5 kA breaking capacity, 72 mm wide.
| Parameter | Value |
|---|---|
| Overvoltage category | 3 |
| Parameter | Value |
|---|---|
| Width | 72 mm |
| Height | 90 mm |
| Depth | 76 mm |
The Siemens 5SL3401-7 is a SENTRON 5SL3 miniature circuit breaker rated 1 A at 400 V AC with a C tripping curve and a 4.5 kA breaking capacity per EN 60898 and IEC 60947-2. Four poles, 4 width units (72 mm), and IP20 with connected conductors — standard for residential and infrastructure panelboards.
Energy limiting class 3 for good let-through energy reduction. No neutral conductor switching (4P without switched neutral).
The 5SL3401-7 is sourced to order against an RFQ through independent distribution. Submit a request for quote; availability and current pricing are confirmed at that time.
The depth is 76 mm, with an installation depth of 70 mm.
The width is 72 mm, which corresponds to 4 width units on a DIN rail.
Both are 4-pole SENTRON 5SL series breakers with the same 72 mm width and DIN-rail mounting, so the footprint is identical. However, the 5SL3401-7 is a 1 A C-curve unit, while the 5SL3205-7MB is a different rating — confirm the circuit's load current and tripping curve before swapping.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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