Siemens 5SY4180-7 Miniature Circuit Breaker 230/400V, 10kA, 1-Pole, C Curve, 80A
Siemens 5SY4180-7 Miniature Circuit Breaker 230/400V, 10kA, 1-Pole, C Curve, 80A
Siemens 5SY4180-7 Miniature Circuit Breaker 230/400V, 10kA, 1-Pole, C Curve, 80A
Siemens 5SY4180-7 Miniature Circuit Breaker 230/400V, 10kA, 1-Pole, C Curve, 80A

SIEMENS

Siemens 5SY4180-7 Miniature Circuit Breaker 230/400V, 10kA, 1-Pole, C Curve, 80A Original Brand New

Model / SKU5SY4180-7

High-performance 1-pole Miniature Circuit Breaker (MCB) rated at 80A with a Type C tripping characteristic. Designed for 230/400V systems, it features a 10kA breaking capacity and a 70mm mounting depth, ensuring robust protection for electrical circuits against overloads and short circuits.

$86.43
Out of stockSubject to sourcing — request a quote
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SY4180-7 is a high-quality miniature circuit breaker designed for reliable electrical protection in residential, commercial, and industrial installations. Operating at 230/400 V with a breaking capacity of 10 kA, this 1-pole, C-curve, 80A MCB ensures maximum safety while minimizing downtime. Its compact D=70 mm design allows for easy installation in standard distribution boards.

Key Benefit

  • Enhanced Safety: Provides reliable disconnection in the event of a fault, protecting both personnel and equipment.

  • Space-Efficient: With a standard mounting depth of 70mm, it integrates seamlessly into modern distribution boards.

  • Durability: Built with Siemens’ world-class engineering standards for long-term operational life in demanding environments.

  • Global Compliance: Meets international standards for safety and performance in electrical installations.

Function

  • Short-Circuit Protection: Instantaneous tripping during high-fault currents (10kA capacity).

  • Thermal Overload Protection: Protects wiring and equipment from damage caused by sustained overcurrent.

  • Switching/Isolation: Allows for manual disconnection of the circuit for maintenance or safety.

Features

  • Rated Voltage: 230/400V AC

  • Rated Current: 80A

  • Poles: 1

  • Tripping Curve: C Curve

  • Breaking Capacity: 10kA

  • Compact Design: D=70mm for easy installation

  • Standards Compliance: IEC/EN 60898

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Datasheet in PDF

Specifications

SKU / Model5SY4180-7
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
number of poles1
design of pole1P
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
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole6.7 W
operational current-
● at 35 °C / rated value80 A
● at 40 °C / rated value76.16 A
● at 45 °C / rated value74.16 A
● at 50 °C / rated value72.16 A
● at 55 °C / rated value70 A
● at 60 °C / rated value67.84 A
● at AC / rated value80 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 units1
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
Weight0.172 kg
Dimensions93.00 × 216.00 × 82.00 mm

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