Siemens 5SY4150-7 Miniature Circuit Breaker 230/400V 10kA 1-Pole 50A C Curve, 70mm Original Brand New
$72.67
High-performance Siemens 5SY4150-7 MCB featuring a 50A rating, 1-pole configuration, and Type C tripping characteristic. Rated for 230/400V with a 10kA breaking capacity and 70mm mounting depth.
Availability: In stock
Overview
The Siemens 5SY4150-7 Miniature Circuit Breaker is a top-of-the-line electrical protection device designed to safeguard circuits from overloads and short circuits. With a high breaking capacity of 10kA, this single-pole circuit breaker is rated for use in 230/400V electrical systems. Featuring a 50A current rating and a C curve, it is ideal for general-purpose protection in residential and commercial applications.
Benefit
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Reliable Protection: Provides superior protection against overloads and short circuits for residential, industrial, and commercial applications.
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High Breaking Capacity: Withstands fault currents of up to 10kA, ensuring safety in demanding environments.
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Compact Design: Only 70mm in depth, allowing for efficient space-saving installation in electrical panels.
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C Curve Rating: Designed to trip between 5 to 10 times the rated current, providing balanced protection for most electrical systems.
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Certified Quality: Manufactured by Siemens, a trusted brand known for high-performance and durable electrical components.
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Easy Installation: User-friendly design for straightforward mounting on DIN rails, simplifying the installation process.
Functionality
The Siemens 5SY4150-7 is engineered to perform reliably under a wide range of conditions. It features an automatic trip mechanism that activates when current exceeds the preset threshold, protecting circuits and preventing electrical fires, equipment damage, and system failures. Its 50A rating makes it suitable for medium-load applications, and its C curve ensures that the breaker trips in response to moderate overloads.
Product Features
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Type: Miniature Circuit Breaker (MCB)
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Voltage Rating: 230/400V AC
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Current Rating: 50A
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Poles: 1-Pole
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Breaking Capacity: 10kA
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Tripping Curve: C Curve (5 to 10x rated current)
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Dimensions (D): 70mm depth
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Installation: DIN rail mounting
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Compliance: Meets international standards for safety and performance.
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| Weight | 0.168 kg |
|---|---|
| Dimensions | 21.00 × 93.00 × 83.00 mm |
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | Miniature circuit breaker |
| number of poles | 1 |
| design of pole | 1P |
| 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 | – |
| ● acc. to EN 60898 / rated value | 10 kA |
| energy limitation class | 3 |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 3.8 W |
| operational current | – |
| ● at 35 °C / rated value | 50 A |
| ● at 40 °C / rated value | 45.95 A |
| ● at 45 °C / rated value | 43.75 A |
| ● at 50 °C / rated value | 41.45 A |
| ● at 55 °C / rated value | 39.05 A |
| ● at AC / rated value | 50 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 | No |
| ● 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 | – |
| 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 | 1 |
| 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 | 28 |
| reference code | – |
| ● acc. to DIN EN 61346-2 | F |
| ● acc. to IEC 81346-2 | F |
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