Siemens SENTRON 5SY5420-7, 4-pole miniature circuit breaker, C-curve, 10 kA breaking capacity per IEC/EN 60898-2, 400 V AC, 72 mm wide.
| Parameter | Value |
|---|---|
| Brand name | SENTRON |
| Application suitability | universal current |
| Parameter | Value |
|---|---|
| Number of poles | 4 |
| Pole configuration | 4P |
| Rated voltage, AC (multi-phase) | 440 V |
| Parameter | Value |
|---|---|
| Tripping characteristic (trip curve) | C |
| Energy limitation class | 3 |
| Overvoltage category | II |
| Pollution degree | 2 |
| Degree of protection (IP) | IP20, with connected conductors |
| Parameter | Value |
|---|---|
| Width in modular units | 4 |
| Width | 72 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Fastening / mounting method | Quick assembly system |
| Mounting position | any |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Tightening torque, max. | 75 °C |
| Tightening torque, min. | -40 °C |
| Sealable | Yes |
| Parameter | Value |
|---|---|
| Halogen-free | Yes |
| Silicone-free | Yes |
| Influence of ambient temperature (derating) | max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C |
| Parameter | Value |
|---|---|
| Power loss per pole, AC (hot state, at In) | 1.7 W |
The 76 mm depth leaves clearance for standard enclosure depths.
This breaker carries approvals under both IEC/EN 60898-2 (the European miniature circuit breaker standard) and UL1077 (supplementary protector for North America). The part is halogen-free and silicon-free.
The breaker is certified to IEC/EN 60898-2 and UL1077, and is halogen-free and silicon-free. Standard Siemens documentation includes the declaration of conformity for CE marking and the UL recognition file. RoHS and REACH compliance is typical for the SENTRON series.
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