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Siemens 5SY4205-7 Miniature Circuit Breaker 400V, 10kA, 2-Pole, Type C, 0.5A
Siemens 5SY4205-7 Miniature Circuit Breaker 400V, 10kA, 2-Pole, Type C, 0.5A
Siemens 5SY4205-7 Miniature Circuit Breaker 400V, 10kA, 2-Pole, Type C, 0.5A
Siemens 5SY4205-7 Miniature Circuit Breaker 400V, 10kA, 2-Pole, Type C, 0.5A
Siemens 5SY4205-7 Miniature Circuit Breaker 400V, 10kA, 2-Pole, Type C, 0.5A
Siemens 5SY4205-7 Miniature Circuit Breaker 400V, 10kA, 2-Pole, Type C, 0.5A

SIEMENS

Siemens 5SY4205-7 Miniature Circuit Breaker 400V, 10kA, 2-Pole, Type C, 0.5A Original Brand New71.0

Model / SKU5SY4205-7

High-performance 2-pole Miniature Circuit Breaker (MCB) designed for superior circuit protection. Featuring a Type C tripping characteristic and a 0.5A rated current, this 10kA-rated breaker ensures safety and reliability in demanding electrical environments.

Original price was: $78.89.Current price is: $41.01.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SY4205-7 is a high-performance miniature circuit breaker engineered for reliable overcurrent protection in low-voltage electrical systems. With a 2-pole configuration, 10kA breaking capacity, and Type C tripping characteristic, it safeguards electrical circuits against short circuits and overloads while ensuring consistent performance. Its compact 70mm design makes installation easy in limited spaces.

Key Benefit

  • High Breaking Capacity: Rated for 10kA, offering enhanced safety during significant fault currents.

  • Precision Protection: The 0.5A rating is ideal for protecting sensitive control circuits and low-load components.

  • Ease of Installation: Features a user-friendly design with clear status indicators and tool-free mounting options.

  • Global Standards: Fully compliant with international safety standards for industrial and residential applications.

Function

  • Short-Circuit Protection: Instantaneous tripping during high-current faults to prevent equipment damage.

  • Overload Protection: Delayed thermal tripping to protect cables and components from overheating.

  • Isolation: Provides a reliable means of disconnecting circuits for maintenance or safety.

Technical Specification

  • Product Number: Siemens 5SY4205-7

  • Voltage Rating: 400 V

  • Current Rating: 0.5 A

  • Poles: 2

  • Type: C

  • Breaking Capacity: 10 kA

  • Width/Depth: D = 70 mm

  • Standards: IEC/EN 60898

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Datasheet in PDF

Specifications

SKU / Model5SY4205-7
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
number of poles2
design of pole2P
tripping characteristic classC
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 value35 kA
energy limitation class3
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole0.8 W
operational current-
● at 35 °C / rated value0.5 A
● at 40 °C / rated value0.47 A
● at 45 °C / rated value0.45 A
● at 50 °C / rated value0.44 A
● at 55 °C / rated value0.42 A
● at 60 °C / rated value0.4 A
● at AC / rated value0.5 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
Vibration and Shock-
Weight0.322 kg
Dimensions40.00 × 92.00 × 84.00 mm

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