SIEMENS
High-performance miniature circuit breaker (MCB) designed for branch circuit protection. Rated at 2A with a C-trip characteristic, this 1-pole device provides a 14kA interrupting capacity at 240V and is fully compliant with UL 489 standards for industrial applications.
The Siemens 5SJ4102-7HG40 is a premium miniature circuit breaker (MCB) designed for residential, commercial, and industrial applications. Rated for 240 V and 14kA breaking capacity, it ensures maximum protection against overloads and short circuits. With a 1-pole, C curve 2A configuration, it delivers precise circuit protection while maintaining optimal safety standards according to UL 489.
Reliable Protection: Prevents electrical overloads and short circuits, ensuring safety for equipment and personnel.
Compact Design: 70 mm width allows easy installation in tight panels.
Compliance: UL 489 certified for guaranteed quality and equal polarity operation.
Durable & Long-Lasting: Engineered for high performance in demanding environments.
Energy-Efficient: Minimizes energy loss while maintaining stable circuit operation.
Interrupts current flow in overload or short-circuit conditions.
Maintains equal polarity across electrical circuits for balanced operation.
Integrates easily into standard switchboards and electrical panels.
Provides consistent performance with minimal maintenance requirements.
Brand: Siemens
Model: 5SJ4102-7HG40
Type: Miniature Circuit Breaker (MCB)
Voltage Rating: 240 V
Current Rating: 2A
Poles: 1-Pole
Tripping Curve: C Curve
Breaking Capacity: 14 kA
Width (D): 70 mm
Standards: UL 489
Polarity: Equal
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| SKU / Model | 5SJ4102-7HG40 |
|---|---|
| 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 |
| 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 | 2 A |
| ● at 40 °C / rated value | 2 A |
| ● at 45 °C / rated value | 1.9 A |
| ● at 50 °C / rated value | 1.9 A |
| ● at 55 °C / rated value | 1.8 A |
| ● at 60 °C / rated value | 1.8 A |
| ● at AC / rated value | 2 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 | 0.167 kg |
| Dimensions | 21.00 × 93.00 × 83.00 mm |
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