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Siemens 5SY4316-8 Miniature Circuit Breaker 3-Pole, 16A, 10kA, 400V, Type D
Siemens 5SY4316-8 Miniature Circuit Breaker 3-Pole, 16A, 10kA, 400V, Type D
Siemens 5SY4316-8 Miniature Circuit Breaker 3-Pole, 16A, 10kA, 400V, Type D
Siemens 5SY4316-8 Miniature Circuit Breaker 3-Pole, 16A, 10kA, 400V, Type D
Siemens 5SY4316-8 Miniature Circuit Breaker 3-Pole, 16A, 10kA, 400V, Type D
Siemens 5SY4316-8 Miniature Circuit Breaker 3-Pole, 16A, 10kA, 400V, Type D

SIEMENS

Siemens 5SY4316-8 Miniature Circuit Breaker 3-Pole, 16A, 10kA, 400V, Type D Original Brand New

Model / SKU5SY4316-8

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.

Original price was: $123.28.Current price is: $64.08.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

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

  • High breaking capacity (10kA) ensures enhanced protection against short circuits

  • Type D tripping characteristic ideal for motors, transformers, and inductive loads

  • 3-pole configuration for balanced three-phase systems

  • Reliable Siemens engineering for long service life and safety compliance

  • Compact design (70 mm depth) enables efficient panel space utilization

Function

  • Protects electrical circuits from overload and short-circuit faults

  • Ensures safe operation of industrial equipment and power systems

  • Automatically disconnects faulty circuits to prevent damage and fire hazards

  • Suitable for applications with high inrush current requirements

Technical Specification

  • Product Number: 5SY4316-8

  • Brand: Siemens

  • Product Type: Miniature Circuit Breaker (MCB)

  • Number of Poles: 3-Pole

  • Rated Current: 16A

  • Voltage Rating: 400 V

  • Breaking Capacity: 10kA

  • Tripping Curve: Type D

  • Depth: 70 mm

  • Application: Industrial & commercial electrical installations

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Datasheet in PDF

Specifications

SKU / Model5SY4316-8
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
number of poles3
design of pole3P
tripping characteristic classD
mechanical service life (switching cycles) / typical10 000
overvoltage categoryIII
degree of pollution3
type of voltage / of the operating voltageAC
insulation voltage (Ui)-
● with single-phase operation / at AC / rated value440 V
● with multi-phase operation / at AC / rated value440 V
supply voltage / with single-phase operation / at AC / rated value230 V
supply voltage-
operating voltage / at DC / rated value / maximum72 V
protection class IPIP20, with connected conductors
switching capacity current-
● at DC / acc. to IEC 60947-2 / rated value15 kA
● acc. to EN 60898 / rated value10 kA
● acc. to IEC 60947-2 / rated value20 kA
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole1.6 W
operational current-
● at 35 °C / rated value16 A
● at 40 °C / rated value15.23 A
● at 45 °C / rated value14.83 A
● at 50 °C / rated value14.43 A
● at 55 °C / rated value14 A
● at 60 °C / rated value13.57 A
● at AC / rated value16 A
suitability for operationMechanical engineering / industry
product component / neutral conductor switchingNo
product feature / touch protectionYes
product component-
● combined terminal topYes
● combined terminal bottomYes
product feature-
● properties for main switches in accordance with EN 60204-1Yes
● halogen-freeYes
● sealableYes
● silicon-freeYes
product extension / installable / supplementary devicesYes
breaking capacity short-circuit current (Icn)-
● at AC / acc. to UL 1077 and CSA C22.2 No.2355 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 cordAny
installation depth70 mm
number of modular width units3
fastening methodQuick assembly system
mounting positionany
influence of the surrounding temperaturemax. 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
● maximum75 °C
number of test cycles / for environmental testing / acc. to IEC 60068-2-306
reference code-
● acc. to DIN EN 61346-2F
● acc. to IEC 81346-2F
Weight0.445 kg
Dimensions58.00 × 94.00 × 84.00 mm

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