Siemens 5SP43927
Miniature circuit breaker 400 V 10kA, 3-pole, C, 125 A, D=70 mm
This Siemens 5SP43927 is supplied brand new by PartLogic for control panels, machine wiring, power distribution, industrial maintenance and replacement applications. It forms part of our Industrial automation > Electrical distribution > Circuit breakers range and is referenced internally as PartLogic SKU PL27091009435.
Before ordering, please confirm the manufacturer part number, product specifications and compatibility with your existing equipment. If you are replacing a failed, obsolete or hard-to-find part, contact PartLogic and we can help check suitability or source related components.
| product brand name | SENTRON |
| product designation | Miniature circuit breaker |
| number of poles | 3 |
| design of pole | 3P |
| tripping characteristic class | C |
| mechanical service life (operating cycles) typical | 10 000 |
| overvoltage category | 3 |
| degree of pollution | 3 |
| type of voltage of the operating voltage | AC |
| at AC rated value | 440 V |
| with multi-phase operation at AC rated value | 440 V |
| — at 30 °C rated value | 125 A |
| — at 40 °C rated value | 118.75 A |
| — at 50 °C rated value | 111.875 A |
| — at 60 °C rated value | 105 A |
| operational current at AC rated value | 125 A |
| supply voltage at AC | 400 V |
| value range of the supply voltage frequency | 50/60 Hz |
| protection class IP | IP20 with connected conductors, IP40 in the area of the handle with distribution cover |
| according to EN 60898 rated value | 10 kA |
| energy limitation class | 3 |
| power loss [W] for rated value of the current at AC in hot operating state per pole | 10.9 W |
| suitability for operation | Infrastructure / Industry |
| product feature touch protection | Yes |
| tunnel terminals top | Yes |
| tunnel terminals bottom | Yes |
| product feature properties for main switches in accordance with EN 60204-1 | Yes |
| product feature halogen-free | Yes |
| product feature sealable | Yes |
| product feature silicon-free | Yes |
| product extension installable supplementary devices | Yes |
| minimum | 25 mm²322.1 lbf·in2.5 N·m-40 °C |
| maximum | 50 mm²35 mm²131 lbf·in3.5 N·m75 °C |
| position of power supply cord | Any |
| height | 90 mm |
| width | 81 mm |
| depth | 76 mm |
| installation depth | 70 mm |
| number of modular width units | 4.5 |
| fastening method | DIN rail |
| mounting position | any |
| Net Weight | 789 g |
| influence of the surrounding temperature | Max. 95% rel. humidity |
| shock resistance according to IEC 60068-2-27 | 150m/s² at 11ms half-sine |
| vibration resistance according to IEC 60068-2-6 | 50m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec) |
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