Siemens 5SY4306-8 Miniature Circuit Breaker 3-Pole, 6A, D-curve, 400V, 10kA Original Brand New
$121.92
The Siemens 5SY4306-8 is a high-performance 3-pole miniature circuit breaker (MCB) designed for 400V systems. Featuring a 6A rated current and a Type D tripping curve, it provides robust protection for circuits with high inductive loads and a 10kA breaking capacity.
Availability: In stock
Overview
The Siemens 5SY4306-8 is a high-performance miniature circuit breaker (MCB) designed for both residential and industrial electrical systems. With a 3-pole configuration, D-curve tripping, and 6A rating, it provides exceptional protection against overloads and short circuits. Rated for 400V AC and 10kA breaking capacity, this MCB ensures safety and reliability for demanding electrical installations.
Key Benefit
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Enhanced Safety: Provides superior protection for electrical installations against thermal overload and short-circuit faults.
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High Breaking Capacity: Rated for up to 10kA, ensuring stability in the event of a high-energy fault.
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Easy Installation: Standardized design with a 70mm depth allows for quick integration into modern distribution boards and control cabinets.
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Siemens Reliability: Built to international standards, ensuring long-term operational durability and minimal maintenance.
Function
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Circuit Protection: Automatically trips during overload or short circuit events.
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D-Curve Tripping: Ideal for circuits with high inrush currents, such as motors or transformers.
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3-Pole Design: Provides protection for three-phase circuits.
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Easy Installation: Standard dimensions (D=70 mm) fit most DIN rail panels.
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| Weight | 0.469 kg |
|---|---|
| Dimensions | 58.00 × 94.00 × 84.00 mm |
| 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 | 35 kA |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 1.6 W |
| operational current | – |
| ● at 35 °C / rated value | 6 A |
| ● at 40 °C / rated value | 5.71 A |
| ● at 45 °C / rated value | 5.56 A |
| ● at 50 °C / rated value | 5.41 A |
| ● at 55 °C / rated value | 5.25 A |
| ● at 60 °C / rated value | 5.09 A |
| ● at AC / rated value | 6 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 |
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