Siemens 5SY4205-7 Miniature Circuit Breaker 400V, 10kA, 2-Pole, Type C, 0.5A Original Brand New71.0
$78.17
High-performance 2-pole Miniature Circuit Breaker (MCB) designed for superior circuit protection. Featuring a Type C tripping characteristic and a 0.5A rated current, this 10kA-rated breaker ensures safety and reliability in demanding electrical environments.
Availability: In stock
Overview
The Siemens 5SY4205-7 is a high-performance miniature circuit breaker engineered for reliable overcurrent protection in low-voltage electrical systems. With a 2-pole configuration, 10kA breaking capacity, and Type C tripping characteristic, it safeguards electrical circuits against short circuits and overloads while ensuring consistent performance. Its compact 70mm design makes installation easy in limited spaces.
Key Benefit
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High Breaking Capacity: Rated for 10kA, offering enhanced safety during significant fault currents.
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Precision Protection: The 0.5A rating is ideal for protecting sensitive control circuits and low-load components.
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Ease of Installation: Features a user-friendly design with clear status indicators and tool-free mounting options.
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Global Standards: Fully compliant with international safety standards for industrial and residential applications.
Function
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Short-Circuit Protection: Instantaneous tripping during high-current faults to prevent equipment damage.
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Overload Protection: Delayed thermal tripping to protect cables and components from overheating.
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Isolation: Provides a reliable means of disconnecting circuits for maintenance or safety.
Technical Specification
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Product Number: Siemens 5SY4205-7
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Voltage Rating: 400 V
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Current Rating: 0.5 A
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Poles: 2
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Type: C
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Breaking Capacity: 10 kA
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Width/Depth: D = 70 mm
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Standards: IEC/EN 60898
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| Weight | 0.322 kg |
|---|---|
| Dimensions | 40.00 × 92.00 × 84.00 mm |
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | Miniature circuit breaker |
| number of poles | 2 |
| design of pole | 2P |
| tripping characteristic class | C |
| 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 |
| energy limitation class | 3 |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 0.8 W |
| operational current | – |
| ● at 35 °C / rated value | 0.5 A |
| ● at 40 °C / rated value | 0.47 A |
| ● at 45 °C / rated value | 0.45 A |
| ● at 50 °C / rated value | 0.44 A |
| ● at 55 °C / rated value | 0.42 A |
| ● at 60 °C / rated value | 0.4 A |
| ● at AC / rated value | 0.5 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 | 2 |
| 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 |
| Vibration and Shock | – |
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