Siemens SENTRON 5SL4340-7CC, 5SL series miniature circuit breaker, 3-pole, C-curve, 40 A, 400 V AC, 10 kA breaking capacity.
| Parameter | Value |
|---|---|
| Design / model code | 5SL4CC |
| Brand name | SENTRON |
| Number of poles | 3 |
| Suitability for operation | Residential buildings/infrastructure |
| Parameter | Value |
|---|---|
| Tripping characteristic (curve) | C |
| Breaking capacity per EN 60898 | 10 kA |
| Overvoltage category | 3 |
| IP protection class | IP20, with connected conductors |
| Pollution degree | 2 |
| Parameter | Value |
|---|---|
| Rated voltage (AC, multi-phase) | 440 V |
| Rated frequency | 50 Hz |
| Parameter | Value |
|---|---|
| Mounting position | any |
| Width | 54 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Terminal tightening torque, max. | 75 °C |
| Terminal tightening torque, min. | -40 °C |
| Sealable | Yes |
| Parameter | Value |
|---|---|
| Halogen-free | Yes |
| Silicone-free | Yes |
| Influence of surrounding temperature | +55 °C, max. 95% humidity |
The Siemens SENTRON 5SL4340-7CC is a 3-pole miniature circuit breaker rated 40 A at 400 V AC, with a C tripping characteristic and a 10 kA breaking capacity per EN 60898.
Body dimensions are 90 mm high, 54 mm wide (3 width units on a DIN rail), and 76 mm deep with a 70 mm installation depth — drops into standard 3-module comb busbar slots.
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