SIEMENS
Siemens 5SJ4220-7HG42 Circuit Breaker 10kA, 2-Pole, C, 20A UL 489-480Y/277V Original Brand New
5SJ4220-7HG42
Original price was: $285.51.$153.57Current price is: $153.57.
In stock
Special price
SIEMENS
Siemens 5SY4310-8 Miniature Circuit Breaker (MCB) 3-Pole, 10A, Type D, 10kA Original Brand New
Model / SKU5SY4310-8
High-performance 3-pole Miniature Circuit Breaker (MCB) designed for industrial and residential protection. Featuring a 10A rated current and Type D tripping characteristic, it provides reliable switching and short-circuit protection (10kA) for circuits with high inrush currents.
Original price was: $133.51.$69.40Current price is: $69.40.
In stockShips in 1–3 business days
- ConditionOriginal Brand New
- Warranty12 months
- Genuine Products
- Up to 1-Year Warranty
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Description
Overview
The Siemens 5SY4310-8 Miniature Circuit Breaker (MCB) offers dependable protection for electrical installations. Designed for residential, commercial, and industrial applications, this 3-pole D-type breaker ensures fast response to overloads and short circuits. Compact yet robust, it provides up to 10kA breaking capacity at 400V, making it ideal for safeguarding sensitive equipment and electrical networks.
Key Benefit
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Enhanced Safety: Provides superior protection against overloads and short circuits up to 10kA.
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High Inrush Tolerance: The Type D characteristic is ideal for inductive loads like motors and transformers, preventing nuisance tripping.
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Easy Installation: Features universal busbar mounting and a tool-free release system for rapid maintenance.
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Global Compliance: Meets rigorous international standards (IEC/EN) for industrial reliability.
Functions & Features
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Tripping Class D: Optimized for equipment with high starting currents.
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Energy Limiting: Reduces the stress on your electrical system during a fault.
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Clear Status Indication: Visible toggle switch position for quick troubleshooting.
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Compact Footprint: 3-pole configuration within a standard modular width.
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Specifications
| SKU / Model | 5SY4310-8 |
|---|---|
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | Miniature circuit breaker |
| number of poles | 3 |
| design of pole | 3P |
| tripping characteristic class | D |
| mechanical service life (switching cycles) / typical | 10 000 |
| overvoltage category | III |
| degree of pollution | 3 |
| type of voltage / of the operating voltage | AC |
| insulation voltage (Ui) | - |
| ● with single-phase operation / at AC / rated value | 440 V |
| ● with multi-phase operation / at AC / rated value | 440 V |
| supply voltage / with single-phase operation / at AC / rated value | 230 V |
| supply voltage | - |
| operating voltage / at DC / rated value / maximum | 72 V |
| protection class IP | IP20, with connected conductors |
| switching capacity current | - |
| ● at DC / acc. to IEC 60947-2 / rated value | 15 kA |
| ● acc. to EN 60898 / rated value | 10 kA |
| ● acc. to IEC 60947-2 / rated value | 20 kA |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 0.9 W |
| operational current | - |
| ● at 35 °C / rated value | 10 A |
| ● at 40 °C / rated value | 9.39 A |
| ● at 45 °C / rated value | 9.07 A |
| ● at 50 °C / rated value | 8.74 A |
| ● at 55 °C / rated value | 8.4 A |
| ● at 60 °C / rated value | 8.04 A |
| ● at AC / rated value | 10 A |
| suitability for operation | Mechanical engineering / industry |
| product component / neutral conductor switching | No |
| product feature / touch protection | Yes |
| product component | - |
| ● combined terminal top | Yes |
| ● combined terminal bottom | Yes |
| product feature | - |
| ● properties for main switches in accordance with EN 60204-1 | Yes |
| ● halogen-free | Yes |
| ● sealable | Yes |
| ● silicon-free | Yes |
| product extension / installable / supplementary devices | Yes |
| breaking capacity short-circuit current (Icn) | - |
| ● at AC / acc. to UL 1077 and CSA C22.2 No.235 | 5 kA |
| connectable conductor cross-section / solid | - |
| connectable conductor cross-section / stranded | - |
| connectable conductor cross-section / finely stranded / with core end processing | - |
| AWG number / as coded connectable conductor cross section | - |
| tightening torque [lbf·in] / with screw-type terminals | - |
| tightening torque / with screw-type terminals | - |
| position / of power supply cord | Any |
| installation depth | 70 mm |
| number of modular width units | 3 |
| fastening method | Quick assembly system |
| mounting position | any |
| influence of the surrounding temperature | max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C |
| vibration resistance / acc. to IEC 60068-2-6 | ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz |
| ambient temperature / during operation | - |
| ambient temperature / during storage | - |
| ● minimum | -40 °C |
| ● maximum | 75 °C |
| number of test cycles / for environmental testing / acc. to IEC 60068-2-30 | 6 |
| reference code | - |
| ● acc. to DIN EN 61346-2 | F |
| ● acc. to IEC 81346-2 | F |
| Weight | 0.457 kg |
| Dimensions | 58.00 × 94.00 × 84.00 mm |
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