Siemens 5SJ4101-7HG42 Circuit Breaker 10kA, 1-Pole, C Curve, 1A, UL 489 Compliant Original Brand New
$54.22
High-performance single-pole miniature circuit breaker designed for industrial branch circuit protection. Rated at 1A with a Type C magnetic trip characteristic, it provides 10kA interrupting capacity and is fully compliant with UL 489 standards for North American markets.
Availability: In stock
Overview
The Siemens 5SJ4101-7HG42 Circuit Breaker is a high-performance, single-pole circuit breaker designed to provide superior protection for electrical circuits. This model offers a current rating of 1A, operates at 277V, and is rated to handle up to 10kA of short-circuit protection. It adheres to UL 489 standards, making it reliable and compliant for use in residential, commercial, and industrial applications. With a C-curve characteristic, this breaker is ideal for circuits with moderate inrush currents, offering both protection and efficiency.
Key Benefit
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10kA Short-Circuit Rating: Ensures robust protection against overloads and short circuits, safeguarding your electrical systems.
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C Curve Characteristics: Provides a delayed tripping action for moderate inrush currents, suitable for motors, lighting, and other inductive loads.
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UL 489 Compliant: Meets industry standards for safety, ensuring quality and reliability in all installations.
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1A Rating: Ideal for low current circuits, providing precise protection without unnecessary power cuts.
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Compact & Durable Design: Easy to install and built to last, offering long-term, trouble-free service.
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1-Pole Configuration: Perfect for single-phase circuits, offering a space-efficient solution.
Function
This Siemens circuit breaker protects electrical circuits by automatically interrupting the flow of current during overloads or short circuits. The C curve ensures it only trips under excessive fault conditions, preventing unnecessary downtime while maintaining the safety of your system.
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| Weight | 0.177 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 | C |
| 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 | 1.7 W |
| operational current | – |
| ● at 30 °C / rated value | 1 A |
| ● at 40 °C / rated value | 1 A |
| ● at 45 °C / rated value | 0.96 A |
| ● at 50 °C / rated value | 0.9 A |
| ● at 55 °C / rated value | 0.9 A |
| ● at 60 °C / rated value | 0.84 A |
| ● at AC / rated value | 1 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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