Siemens 5SJ4118-7HG41 Miniature Circuit Breaker 240V, 15A, 1-Pole, C-Curve, UL 489 Rated Original Brand New
$48.44
High-performance 1-pole miniature circuit breaker (MCB) designed for branch circuit protection. Rated at 15A and 240V with a 15kA breaking capacity, this C-characteristic breaker meets rigorous UL 489 standards, ensuring maximum safety for industrial and commercial electrical systems.
Availability: In stock
Overview
The Siemens 5SJ4118-7HG41 Miniature Circuit Breaker (MCB) is a high-performance electrical protection device designed to safeguard electrical circuits from overloads and short circuits. Engineered to meet UL 489 standards, this breaker ensures reliable operation in residential, commercial, and industrial applications.
Operating at 240 V with a breaking capacity of 15 kA, this 1-pole, C-curve, 15 Amp MCB provides fast and efficient circuit protection. Its compact design with a depth of 70 mm allows for easy installation in distribution boards while maintaining superior safety and durability—hallmarks of Siemens engineering.
Benefit
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Enhanced Safety – Protects circuits from overload and short-circuit faults
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High Breaking Capacity – 15 kA interruption capability ensures dependable protection
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UL 489 Certified – Complies with stringent international safety standards
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Compact Design – Space-saving 70 mm depth for flexible panel installation
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Reliable Performance – Trusted Siemens quality for long-term operation
Function
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Automatically disconnects electrical circuits during fault conditions
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Prevents damage to wiring and connected equipment
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Ensures operational continuity with quick fault response
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Suitable for residential, commercial, and light industrial systems
Technical Specification
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Brand: Siemens
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Product Number: 5SJ4118-7HG41
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Voltage Rating: 240 V
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Current Rating: 15 A
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Breaking Capacity: 15 kA
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Poles: 1-Pole
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Tripping Curve: C-Curve
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Depth: 70 mm
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Standard: UL 489
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| Weight | 0.168 kg |
|---|---|
| Dimensions | 23.00 × 114.00 × 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 |
| type of voltage / of the operating voltage | AC/DC |
| 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 | 240 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 | 1.9 W |
| operational current | – |
| ● at 30 °C / rated value | 15 A |
| ● at 40 °C / rated value | 15 A |
| ● at 45 °C / rated value | 14.6 A |
| ● at 50 °C / rated value | 14.1 A |
| ● at 55 °C / rated value | 13.6 A |
| ● at 60 °C / rated value | 13.2 A |
| ● at AC / rated value | 15 A |
| type of voltage supply / at AC / acc. to UL 489 and CSA C22.2 No. 5-02 | 240 |
| 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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