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Siemens 5SY4210-8 Miniature Circuit Breaker 10A, 2-Pole, 10kA, Type D, 400V
Siemens 5SY4210-8 Miniature Circuit Breaker 10A, 2-Pole, 10kA, Type D, 400V
Siemens 5SY4210-8 Miniature Circuit Breaker 10A, 2-Pole, 10kA, Type D, 400V
Siemens 5SY4210-8 Miniature Circuit Breaker 10A, 2-Pole, 10kA, Type D, 400V

SIEMENS

Siemens 5SY4210-8 Miniature Circuit Breaker 10A, 2-Pole, 10kA, Type D, 400V Original Brand New

Model / SKU5SY4210-8

High-performance 2-pole miniature circuit breaker designed for 400V systems. Featuring a 10A rated current and a Type D tripping characteristic, it provides robust protection for circuits with high inrush currents. With a 10kA switching capacity and a compact 70mm mounting depth, it ensures safety and reliability in demanding industrial environments.

Original price was: $85.85.Current price is: $44.63.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SY4210-8 Miniature Circuit Breaker (MCB) is a high-performance protective device designed for reliable overload and short-circuit protection in electrical installations. Rated at 10A, 2-pole, and 10kA breaking capacity, this MCB operates at 400 V and features a Type D tripping characteristic, making it ideal for circuits with high inrush currents such as motors and transformers. With a compact 70 mm depth, it ensures easy installation in standard distribution boards.

Benefit

  • High breaking capacity of 10kA for enhanced safety

  • Type D tripping curve ideal for high inrush current applications

  • 2-pole protection ensures phase and neutral safety

  • Compact 70 mm depth for space-efficient installation

  • Trusted Siemens quality for long-term reliability

  • Suitable for industrial and commercial electrical systems

Function

  • Protects electrical circuits from overloads and short circuits

  • Automatically disconnects faulty circuits to prevent damage

  • Ensures safe operation of equipment with high starting currents

  • Provides stable and consistent electrical performance

Technical Specification

  • Brand: Siemens

  • Model: 5SY4210-8

  • Rated Voltage: 400 V

  • Rated Current: 10A

  • Poles: 2-Pole

  • Breaking Capacity: 10kA

  • Tripping Characteristic: Type D

  • Depth (D): 70 mm

  • Product Type: Miniature Circuit Breaker (MCB)

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Datasheet in PDF

Specifications

SKU / Model5SY4210-8
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
number of poles2
design of pole2P
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 pole0.9 W
operational current-
● at 35 °C / rated value10 A
● at 40 °C / rated value9.39 A
● at 45 °C / rated value9.07 A
● at 50 °C / rated value8.74 A
● at 55 °C / rated value8.4 A
● at 60 °C / rated value8.04 A
● at AC / rated value10 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 units2
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
Weight0.310 kg
Dimensions40.00 × 92.00 × 84.00 mm

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