Siemens 5SY4316-8 Miniature Circuit Breaker 3-Pole, 16A, 10kA, 400V, Type D Original Brand New
$119.86
High-performance 3-pole miniature circuit breaker designed for superior electrical protection. Featuring a 16A rated current and Type D tripping characteristic, it is engineered for circuits with high inrush currents, providing a 10kA breaking capacity at 400V.
Availability: In stock
Overview
The Siemens 5SY4316-8 Miniature Circuit Breaker (MCB) is a high-performance electrical protection device designed for industrial and commercial power distribution systems. Engineered to Siemens’ strict quality standards, this 3-pole Type D circuit breaker offers reliable protection against overloads and short circuits in high inrush current applications.
With a rated current of 16A, breaking capacity of 10kA, and 400V operating voltage, this MCB ensures maximum safety and long-term operational stability. Its 70 mm depth (D=70 mm) allows for easy installation in standard distribution boards.
Benefit
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High breaking capacity (10kA) ensures enhanced protection against short circuits
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Type D tripping characteristic ideal for motors, transformers, and inductive loads
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3-pole configuration for balanced three-phase systems
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Reliable Siemens engineering for long service life and safety compliance
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Compact design (70 mm depth) enables efficient panel space utilization
Function
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Protects electrical circuits from overload and short-circuit faults
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Ensures safe operation of industrial equipment and power systems
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Automatically disconnects faulty circuits to prevent damage and fire hazards
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Suitable for applications with high inrush current requirements
Technical Specification
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Product Number: 5SY4316-8
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Brand: Siemens
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Product Type: Miniature Circuit Breaker (MCB)
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Number of Poles: 3-Pole
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Rated Current: 16A
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Voltage Rating: 400 V
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Breaking Capacity: 10kA
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Tripping Curve: Type D
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Depth: 70 mm
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Application: Industrial & commercial electrical installations
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| Weight | 0.445 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 | 20 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 | 16 A |
| ● at 40 °C / rated value | 15.23 A |
| ● at 45 °C / rated value | 14.83 A |
| ● at 50 °C / rated value | 14.43 A |
| ● at 55 °C / rated value | 14 A |
| ● at 60 °C / rated value | 13.57 A |
| ● at AC / rated value | 16 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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