Siemens 5SJ4106-8HG42 Circuit Breaker 10kA, 1-Pole, D Curve, 6A, UL 489 277V Original Brand New
$61.68
High-performance 1-pole miniature circuit breaker designed for industrial and commercial applications. Rated at 6A with a 10kA breaking capacity, this Type D MCB is fully compliant with UL 489 standards for 277V AC systems, ensuring robust branch circuit protection.
Availability: In stock
Overview
The Siemens 5SJ4106-8HG42 is part of the Sentron series, specifically engineered for the North American market while maintaining global standards. This miniature circuit breaker (MCB) provides reliable protection against overloads and short circuits. Its Type D tripping characteristic is specifically designed for circuits with high inrush currents, such as transformers, motors, and high-intensity lighting.
Key Benefit
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Global Compliance: Meets UL 489 and CSA C22.2 No. 5-02 standards, making it suitable for branch circuit protection in North America.
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Enhanced Safety: Provides a 10kA interrupting rating to prevent equipment damage during high-fault current events.
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Space Efficient: The compact 1-pole design (18mm width) allows for maximum density within electrical panels.
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Durability: Built with Siemens’ world-class engineering to ensure a long mechanical and electrical lifespan.
Function
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Short-Circuit Protection: Instantaneous tripping in the event of a high-current fault.
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Overload Protection: Thermal tripping mechanism to protect wiring from sustained overcurrent.
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Branch Circuit Protection: Approved for use as a primary protector in electrical distribution systems.
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| Weight | 0.175 kg |
|---|---|
| Dimensions | 22.00 × 125.00 × 84.00 mm |
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | Miniature circuit breakers |
| design of the product | Miniature circuit-breaker 5SJ4 |
| number of poles | 1 |
| tripping characteristic class | D |
| mechanical service life (switching cycles) / typical | 10 000 |
| installation environment regarding EMC | Suitable for environment B (immunity to interference not applicable) |
| reference code / acc. to DIN 40719 extended according to IEC 204-2 / acc. to IEC 750 | F |
| overvoltage category | 3 |
| degree of pollution | 3 |
| insulation voltage (Ui) / at AC / rated value | 440 V |
| supply voltage / at AC / rated value | 400 V |
| operating voltage | – |
| ● at AC / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum | 277 V |
| ● at DC / rated value / maximum | 60 V |
| ● at DC / single channel / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum | 60 V |
| ● at DC / 2-channel / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum | 125 V |
| protection class IP | IP20, with connected conductors, IP 40 in the handle range |
| switching capacity current | – |
| ● acc. to EN 60898 / rated value | 10 kA |
| ● acc. to IEC 60947-2 / rated value | 15 kA |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 2.7 W |
| operational current | – |
| ● at 30 °C / rated value | 6 A |
| ● at 40 °C / rated value | 6 A |
| ● at 45 °C / rated value | 5.8 A |
| ● at 50 °C / rated value | 5.7 A |
| ● at 55 °C / rated value | 5.6 A |
| ● at 60 °C / rated value | 5.4 A |
| ● at AC / rated value | 6 A |
| type of voltage supply / at AC / acc. to UL 489 and CSA C22.2 No. 5-02 | 480/277 |
| suitability for operation | Mechanical engineering / industry |
| product component / neutral conductor switching | No |
| product feature / touch protection | Yes |
| product component | – |
| ● tunnel terminals top | No |
| ● tunnel terminals bottom | No |
| ● combined terminal top | Yes |
| ● combined terminal bottom | Yes |
| product feature | – |
| ● halogen-free | Yes |
| ● sealable | Yes |
| ● silicon-free | Yes |
| product extension / installable / supplementary devices | Yes |
| product function / note | Terminal tightening torque for Cu, 60/75°C; 3.5Nm/31lb.in |
| breaking capacity short-circuit current (Icn) / at AC / acc. to UL 1077 and CSA C22.2 No.235 | 10 kA |
| connectable conductor cross-section / finely stranded / with core end processing | – |
| tightening torque / with screw-type terminals / maximum | 3.5 N·m |
| position / of power supply cord | Any |
| installation depth | 70 mm |
| number of modular width units | 1 |
| fastening method | on standard mounting rail |
| mounting position | any |
| vibration resistance | 50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec) |
| ambient temperature / during operation | – |
| ambient temperature / during storage | – |
| ● minimum | -40 °C |
| ● maximum | 75 °C |
| reference code | – |
| ● acc. to DIN EN 61346-2 | F |
| ● acc. to IEC 81346-2 | F |
| Miscellaneous | – |
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