SIEMENS
Siemens 5SY6110-7 Miniature Circuit Breaker 1-Pole, C-Curve, 10A, 6kA, MCB 230/400V Original Brand New
5SY6110-7
Original price was: $22.96.$10.25Current price is: $10.25.
In stock
Special price
SIEMENS
Siemens 5SJ4120-7HG40 Miniature Circuit Breaker 1-Pole, 20A, 240V, 14kA, C-Trip Original Brand New
Model / SKU5SJ4120-7HG40
High-performance, 1-pole Miniature Circuit Breaker (MCB) designed for demanding industrial applications. Rated at 20A and 240V with a 14kA interrupting capacity, it is UL 489 listed for branch circuit protection and features a C-Trip characteristic for reliable motor and lighting circuit safety.
Original price was: $90.58.$48.72Current price is: $48.72.
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- ConditionOriginal Brand New
- Warranty12 months
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Description
Overview
The Siemens 5SJ4120-7HG40 is a compact and robust Miniature Circuit Breaker (MCB) specifically engineered for the North American market. With a mounting depth of 70mm and adherence to the UL 489 standard, this 1-pole breaker is the ideal solution for branch circuit protection in industrial and commercial electrical systems. Its "equal polarity" design ensures versatile wiring and installation.
Key Benefit
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Global Compliance: Meets UL 489 standards, making it suitable for use in North American panels and international machinery exports.
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Enhanced Safety: The C-Trip curve is optimized for circuits with medium inrush currents, protecting sensitive equipment from nuisance tripping.
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Space-Saving Design: At only 70mm deep, it fits perfectly in shallow enclosures while maintaining high breaking capacity.
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Durable Construction: Siemens' legendary engineering ensures a long electrical and mechanical lifespan even in harsh environments.
Function & Application
This circuit breaker functions as a thermal-magnetic trip unit to protect against overloads and short circuits.
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Primary Function: Branch circuit protection for 240V systems.
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Common Applications: Industrial control panels, HVAC systems, lighting loads, and motor control circuits where a 20A capacity is required.
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Specifications
| SKU / Model | 5SJ4120-7HG40 |
|---|---|
| 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 | 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 | 2.4 W |
| operational current | - |
| ● at 30 °C / rated value | 20 A |
| ● at 40 °C / rated value | 20 A |
| ● at 45 °C / rated value | 19.4 A |
| ● at 50 °C / rated value | 18.8 A |
| ● at 55 °C / rated value | 18.1 A |
| ● at 60 °C / rated value | 17.6 A |
| ● at AC / rated value | 20 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 |
| Weight | 0.163 kg |
| Dimensions | 21.00 × 93.00 × 83.00 mm |
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