Siemens 5SP4392-7 Miniature Circuit Breaker 3-Pole, 125A, 400V, 10kA, Type C Original Brand New
$406.41
High-performance 3-pole miniature circuit breaker designed for robust circuit protection. Featuring a 125A rated current and a 10kA breaking capacity, this Type C MCB ensures reliable safety for industrial and commercial electrical systems with a 70mm mounting depth.
Availability: In stock
Overview
The Siemens 5SP4 series is engineered for demanding environments where reliability is non-negotiable. The 5SP4392-7 provides superior protection against overloads and short circuits. With its Type C tripping characteristic, it is ideally suited for circuits with higher inrush currents, such as motors and lighting systems.
Key Benefit
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Enhanced Safety: Provides reliable disconnection in the event of a fault, protecting downstream equipment and personnel.
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Compact Design: The 70mm depth and standard DIN rail mounting allow for easy integration into existing distribution boards.
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High Breaking Capacity: Rated at 10kA, making it suitable for industrial applications where high fault levels may occur.
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Siemens Reliability: Built to international standards, ensuring long-term durability and minimal maintenance.
Technical Function
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Overload Protection: Thermal tripping mechanism for sustained overcurrent.
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Short-Circuit Protection: Electromagnetic tripping for instantaneous response to faults.
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Switching: Can be used as a manual disconnect switch for circuit maintenance.
Features
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Rated current: 125A
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Rated voltage: 400 V AC
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3-pole design for full system protection
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C-type tripping characteristic for general-purpose applications
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Breaking capacity: 10kA
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Compact size: D=70 mm
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| Weight | 0.789 kg |
|---|---|
| Dimensions | 95.00 × 86.00 × 83.00 mm |
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | Miniature circuit breaker |
| design of the product | 5SP Miniature circuit breakers |
| number of poles | 3 |
| tripping characteristic class | C |
| mechanical service life (switching cycles) / typical | 10 000 |
| overvoltage category | 3 |
| degree of pollution | 3 |
| type of voltage / of the operating voltage | AC |
| insulation voltage (Ui) | – |
| ● with multi-phase operation / at AC / rated value | 440 V |
| supply voltage / at AC / rated value | 400 V |
| protection class IP | IP20 with connected conductors, IP40 in the area of the handle with distribution cover |
| switching capacity current | – |
| ● acc. to EN 60898 / rated value | 10 kA |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 10.9 W |
| operational current | – |
| ● at 30 °C / rated value | 125 A |
| ● at 40 °C / rated value | 118.75 A |
| ● at 45 °C / rated value | 115 A |
| ● at 50 °C / rated value | 111.875 A |
| ● at 55 °C / rated value | 108.75 A |
| ● at 60 °C / rated value | 105 A |
| ● at AC / rated value | 125 A |
| product feature / touch protection | Yes |
| product component | – |
| ● tunnel terminals top | Yes |
| ● tunnel terminals bottom | Yes |
| product feature | – |
| ● properties for main switches in accordance with EN 60204-1 | Yes |
| ● halogen-free | Yes |
| ● sealable | Yes |
| ● silicon-free | Yes |
| product extension / installable / supplementary devices | Yes |
| connectable conductor cross-section / solid | – |
| connectable conductor cross-section / stranded | – |
| connectable conductor cross-section / finely stranded / with core end processing | – |
| AWG number / as coded connectable conductor cross section | – |
| tightening torque [lbf·in] / with screw-type terminals | – |
| tightening torque / with screw-type terminals | – |
| position / of power supply cord | Any |
| installation depth | 70 mm |
| number of modular width units | 4.5 |
| fastening method | DIN rail and screw fixing |
| mounting position | any |
| influence of the surrounding temperature | Max. 95% rel. humidity |
| shock resistance / acc. to IEC 60068-2-27 | 150m/s² at 11ms half-sine |
| vibration resistance / acc. to IEC 60068-2-6 | 50m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec) |
| ambient temperature / during storage | – |
| ● minimum | -40 °C |
| ● maximum | 75 °C |
| reference code | – |
| ● acc. to DIN EN 61346-2 | F |
| ● acc. to IEC 81346-2 | FC |
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