SIEMENS
Siemens 5SY4204-7 Miniature Circuit Breaker 2-Pole, 4A, C-Curve, 10kA, 400V Original Brand New
High-performance 2-pole Miniature Circuit Breaker (MCB) designed for 400V systems. Featuring a Type C tripping characteristic and a 4A current rating, it provides superior protection against overloads and short circuits in industrial and commercial applications.
- ConditionOriginal Brand New
- Warranty12 months
- Genuine Products
- Up to 1-Year Warranty
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Description
Overview
The Siemens 5SY4204-7 Miniature Circuit Breaker (MCB) is a high-performance electrical protection device designed for residential, commercial, and industrial applications. With a 10kA breaking capacity, 2-pole configuration, and C-curve tripping characteristic, this MCB ensures dependable protection against overloads and short circuits in AC electrical systems up to 400V.
Engineered with Siemens’ proven quality and precision, this compact 70 mm depth circuit breaker offers easy installation, long service life, and compliance with international safety standards.
Benefit
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Reliable Protection – Effectively safeguards electrical circuits from overload and short-circuit faults
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High Breaking Capacity – 10kA fault protection for enhanced system safety
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Compact Design – Space-saving 70 mm depth for efficient panel installation
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Siemens Quality – Trusted durability and long-term performance
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Versatile Application – Suitable for residential, commercial, and light industrial use
Function
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Automatically interrupts current flow during overload conditions
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Quickly disconnects circuits in short-circuit events
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Maintains electrical system stability and equipment safety
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Enables safe isolation of electrical circuits
Technical Specification
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Brand: Siemens
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Product Type: Miniature Circuit Breaker (MCB)
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Model: 5SY4204-7
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Rated Voltage: 400 V AC
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Rated Current: 4 A
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Poles: 2-Pole
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Tripping Characteristic: C-Curve
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Breaking Capacity: 10 kA
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Depth: 70 mm
Application
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Distribution boards
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Control panels
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Residential electrical systems
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Commercial buildings
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Industrial automation setups
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Specifications
| SKU / Model | 5SY4204-7 |
|---|---|
| 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 | 1.3 W |
| operational current | - |
| ● at 35 °C / rated value | 4 A |
| ● at 40 °C / rated value | 3.76 A |
| ● at 45 °C / rated value | 3.63 A |
| ● at 50 °C / rated value | 3.5 A |
| ● at 55 °C / rated value | 3.36 A |
| ● at 60 °C / rated value | 3.22 A |
| ● at AC / rated value | 4 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 | - |
| Weight | 0.306 kg |
| Dimensions | 40.00 × 92.00 × 84.00 mm |
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