Siemens 5SY4108-7 Sentron Miniature Circuit Breaker 1-Pole, 8A, Type C, 10kA Original Brand New
$39.84
High-quality 1-pole Miniature Circuit Breaker (MCB) from the Sentron series. Designed for reliable circuit protection, it features an 8A rated current, Type C tripping characteristic, and a 10kA breaking capacity at 230/400V.
Availability: In stock
Overview
The Siemens 5SY4108-7 is engineered for demanding industrial and commercial electrical environments. As part of the Siemens Sentron family, this MCB provides superior protection against overloads and short circuits. Its compact design (70mm depth) and Type C characteristic make it ideal for circuits with moderate inrush currents, such as lighting and motor circuits.
Key Benefit
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Enhanced Safety: Reliable disconnection during electrical faults to prevent equipment damage and fire hazards.
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Space-Efficient: The slim 70mm mounting depth allows for easy installation in compact distribution boards.
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High Breaking Capacity: Rated for 10kA, ensuring performance even in high-fault current scenarios.
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Global Standards: Fully compliant with international safety standards for industrial use.
Technical Function
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Overload Protection: Thermal release mechanism that trips during sustained overcurrent.
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Short-Circuit Protection: Instantaneous electromagnetic release for rapid fault isolation.
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Type C Characteristic: Specifically calibrated to trip at 5 to 10 times the rated current, perfect for inductive loads.
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| Weight | 0.165 kg |
|---|---|
| Dimensions | 21.00 × 93.00 × 83.00 mm |
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | Miniature circuit breaker |
| number of poles | 1 |
| design of pole | 1P |
| tripping characteristic class | C |
| mechanical service life (switching cycles) / typical | 10 000 |
| overvoltage category | III |
| degree of pollution | 3 |
| type of voltage / of the operating voltage | AC |
| insulation voltage (Ui) | – |
| ● with single-phase operation / at AC / rated value | 440 V |
| ● with multi-phase operation / at AC / rated value | 440 V |
| supply voltage / with single-phase operation / at AC / rated value | 230 V |
| supply voltage | – |
| operating voltage / at DC / rated value / maximum | 72 V |
| protection class IP | IP20, with connected conductors |
| switching capacity current | – |
| ● at DC / acc. to IEC 60947-2 / rated value | 15 kA |
| ● acc. to EN 60898 / rated value | 10 kA |
| ● acc. to IEC 60947-2 / rated value | 20 kA |
| energy limitation class | 3 |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 0.9 W |
| operational current | – |
| ● at 35 °C / rated value | 8 A |
| ● at 40 °C / rated value | 7.51 A |
| ● at 45 °C / rated value | 7.26 A |
| ● at 50 °C / rated value | 6.99 A |
| ● at 55 °C / rated value | 6.72 A |
| ● at 60 °C / rated value | 6.43 A |
| ● at AC / rated value | 8 A |
| suitability for operation | Mechanical engineering / industry |
| product component / neutral conductor switching | No |
| product feature / touch protection | Yes |
| product component | – |
| ● combined terminal top | Yes |
| ● combined terminal 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 |
| breaking capacity short-circuit current (Icn) | – |
| ● at AC / acc. to UL 1077 and CSA C22.2 No.235 | 5 kA |
| 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 | 1 |
| fastening method | Quick assembly system |
| mounting position | any |
| influence of the surrounding temperature | max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C |
| vibration resistance / acc. to IEC 60068-2-6 | ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz |
| ambient temperature / during operation | – |
| ambient temperature / during storage | – |
| ● minimum | -40 °C |
| ● maximum | 75 °C |
| number of test cycles / for environmental testing / acc. to IEC 60068-2-30 | 6 |
| reference code | – |
| ● acc. to DIN EN 61346-2 | F |
| ● acc. to IEC 81346-2 | F |
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