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SIEMENS

Siemens 5SP4392-7 Miniature Circuit Breaker 3-Pole, 125A, 400V, 10kA, Type C Original Brand New

Model / SKU5SP4392-7

High-performance 3-pole miniature circuit breaker designed for robust circuit protection. Featuring a 125A rated current and a 10kA breaking capacity, this Type C MCB ensures reliable safety for industrial and commercial electrical systems with a 70mm mounting depth.

Original price was: $159.60.Current price is: $71.24.
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  • ConditionOriginal Brand New
  • Warranty12 months
  • Genuine Products
  • Up to 1-Year Warranty
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Description

Overview

The Siemens 5SP4 series is engineered for demanding environments where reliability is non-negotiable. The 5SP4392-7 provides superior protection against overloads and short circuits. With its Type C tripping characteristic, it is ideally suited for circuits with higher inrush currents, such as motors and lighting systems.

Key Benefit

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

  • Compact Design: The 70mm depth and standard DIN rail mounting allow for easy integration into existing distribution boards.

  • High Breaking Capacity: Rated at 10kA, making it suitable for industrial applications where high fault levels may occur.

  • Siemens Reliability: Built to international standards, ensuring long-term durability and minimal maintenance.

Technical Function

  • Overload Protection: Thermal tripping mechanism for sustained overcurrent.

  • Short-Circuit Protection: Electromagnetic tripping for instantaneous response to faults.

  • Switching: Can be used as a manual disconnect switch for circuit maintenance.

Features

  • Rated current: 125A

  • Rated voltage: 400 V AC

  • 3-pole design for full system protection

  • C-type tripping characteristic for general-purpose applications

  • Breaking capacity: 10kA

  • Compact size: D=70 mm

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Datasheet in PDF

Specifications

SKU / Model5SP4392-7
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
design of the product5SP Miniature circuit breakers
number of poles3
tripping characteristic classC
mechanical service life (switching cycles) / typical10 000
overvoltage category3
degree of pollution3
type of voltage / of the operating voltageAC
insulation voltage (Ui)-
● with multi-phase operation / at AC / rated value440 V
supply voltage / at AC / rated value400 V
protection class IPIP20 with connected conductors, IP40 in the area of the handle with distribution cover
switching capacity current-
● acc. to EN 60898 / rated value10 kA
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole10.9 W
operational current-
● at 30 °C / rated value125 A
● at 40 °C / rated value118.75 A
● at 45 °C / rated value115 A
● at 50 °C / rated value111.875 A
● at 55 °C / rated value108.75 A
● at 60 °C / rated value105 A
● at AC / rated value125 A
product feature / touch protectionYes
product component-
● tunnel terminals topYes
● tunnel terminals bottomYes
product feature-
● properties for main switches in accordance with EN 60204-1Yes
● halogen-freeYes
● sealableYes
● silicon-freeYes
product extension / installable / supplementary devicesYes
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 units4.5
fastening methodDIN rail and screw fixing
mounting positionany
influence of the surrounding temperatureMax. 95% rel. humidity
shock resistance / acc. to IEC 60068-2-27150m/s² at 11ms half-sine
vibration resistance / acc. to IEC 60068-2-650m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)
ambient temperature / during storage-
● minimum-40 °C
● maximum75 °C
reference code-
● acc. to DIN EN 61346-2F
● acc. to IEC 81346-2FC
Weight0.789 kg
Dimensions95.00 × 86.00 × 83.00 mm

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