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5SP4392-7 Siemens Miniature Circuit Breaker 400 V 10kA Original Brand New

 369.46

  • 5SP4392-7
  • Current Rating:125 A
  • Number of Poles:3 Pole
  • UPC Code:754554758626
  • Voltage Rating:480 VAC

Available on backorder

Siemens Miniature Circuit Breaker 400 V 10kA – 5SP4392-7

MCBs from the Siemens SENTRON portfolio meet the enhanced requirements of automated buildings and industrial power supply systems, e.g. in the automotive and semiconductor industry or in data centers. Compared to residential and functional buildings, these are usually more extensive and complex in terms of both network topology and operation. Electricity and production downtimes must be deliberately prevented in these cases using coordinated device combinations if economic losses are to be avoided. Our MCBs protect wires and cables in cases of short circuit and overloads, and also enable backup protection for switching devices and also semiconductor protection. They are therefore a fundamental component in end-to-end protection concepts for industry and infrastructure.

The right combination

The main purpose of Siemens miniature circuit breakers is to permanently monitor and secure cables and wires in electrical systems. They also help protect humans against electric shocks when used in combination with RCCBs or as combined RCBO. Siemens Breaker combining the 5SY MCB with the 5SM6 arc-fault detection unit (AFDD) further expands the range of functions. An overview of all the combinations is provided below.

Strengths of the Siemens MCBs in the SENTRON portfolio – your benefits

  • Convenient to install and connect
  • Uniform additional components
  • Consistent design
  • Ergonomically formed devices

5SP43927

Siemens 5SP4392-7, Miniature circuit breaker 400 V 10kA, 3-pole, C, 125 A, D=70 mm

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DataSheet in PDF

Weight 0.789 kg
Dimensions 95.00 × 86.00 × 83.00 mm
Brand

SIEMENS

product brand name

SENTRON

product designation

Miniature circuit breaker

design of the product

5SP Miniature circuit breakers

number of poles

3

tripping characteristic class

C

mechanical service life (switching cycles) / typical

10 000

overvoltage category

3

degree of pollution

3

type of voltage / of the operating voltage

AC

insulation voltage (Ui)

● with multi-phase operation / at AC / rated value

440 V

supply voltage / at AC / rated value

400 V

protection class IP

IP20 with connected conductors, IP40 in the area of the handle with distribution cover

switching capacity current

● acc. to EN 60898 / rated value

10 kA

power loss [W] / for rated value of the current / at AC / in hot operating state / per pole

10.9 W

operational current

● at 30 °C / rated value

125 A

● at 40 °C / rated value

118.75 A

● at 45 °C / rated value

115 A

● at 50 °C / rated value

111.875 A

● at 55 °C / rated value

108.75 A

● at 60 °C / rated value

105 A

● at AC / rated value

125 A

product feature / touch protection

Yes

product component

● tunnel terminals top

Yes

● tunnel terminals bottom

Yes

product feature

● properties for main switches in accordance with EN 60204-1

Yes

● halogen-free

Yes

● sealable

Yes

● silicon-free

Yes

product extension / installable / supplementary devices

Yes

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 cord

Any

installation depth

70 mm

number of modular width units

4.5

fastening method

DIN rail and screw fixing

mounting position

any

influence of the surrounding temperature

Max. 95% rel. humidity

shock resistance / acc. to IEC 60068-2-27

150m/s² at 11ms half-sine

vibration resistance / acc. to IEC 60068-2-6

50m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)

ambient temperature / during storage

● minimum

-40 °C

● maximum

75 °C

reference code

● acc. to DIN EN 61346-2

F

● acc. to IEC 81346-2

FC

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