Siemens 5SJ4104-7HG40 Miniature Circuit Breaker 240V 14kA, 1-Pole C-Type, 4A Original Brand New
$43.85
High-performance, 1-pole miniature circuit breaker (MCB) designed for branch circuit protection. Rated at 4A with a Class C tripping characteristic, it offers a 14kA interrupting capacity at 240V. This unit is fully compliant with UL 489 standards, ensuring safety and reliability in demanding industrial and commercial environments.
Availability: In stock
Overview
The Siemens 5SJ4104-7HG40 miniature circuit breaker is designed to provide exceptional electrical protection for residential, commercial, and industrial applications. With a compact D=70 mm design and equal polarity configuration, it ensures reliable overcurrent protection while maintaining safety and efficiency.
Key Benefit
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Certified Safety: Meets stringent UL 489 and CSA C22.2 standards for branch circuit protection.
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High Interrupting Capacity: Safely handles short-circuit currents up to 14kA, minimizing downtime and equipment damage.
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Compact Design: 70mm mounting depth allows for seamless integration into standard DIN rail enclosures.
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Class C Tripping: Ideal for circuits with moderate peak starting currents, such as small motors and lighting loads.
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Global Compatibility: Designed for use in both domestic and international power systems (240V).
Function
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Interrupts current in case of overload or short-circuit
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Ensures equal polarity protection for safe and stable operation
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Easy installation and maintenance in standard switchboards
Technical Specification
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Model Number: 5SJ4104-7HG40
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Voltage Rating: 240 V
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Current Rating: 4A
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Poles: 1-Pole
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Tripping Characteristic: C-Type
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Interrupting Capacity: 14kA
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Dimensions: D=70 mm
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Standard Compliance: UL 489
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Polarity: Equal
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| Weight | 0.162 kg |
|---|---|
| Dimensions | 21.00 × 93.00 × 83.00 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 | 120 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 |
| 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 | 1.8 W |
| operational current | – |
| ● at 30 °C / rated value | 4 A |
| ● at 40 °C / rated value | 4 A |
| ● at 45 °C / rated value | 3.9 A |
| ● at 50 °C / rated value | 3.8 A |
| ● at 55 °C / rated value | 3.7 A |
| ● at 60 °C / rated value | 3.6 A |
| ● at AC / rated value | 4 A |
| type of voltage supply / at AC / acc. to UL 489 and CSA C22.2 No. 5-02 | 240/120 |
| 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 | 14 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 |
| Test Certificates | other |
| Special Test Certificate | Miscellaneous |
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