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Siemens 5SY4302-7 SENTRON Miniature Circuit Breaker, 3-Pole, 2A, 10kA, Type C, 400V
Siemens 5SY4302-7 SENTRON Miniature Circuit Breaker, 3-Pole, 2A, 10kA, Type C, 400V
Siemens 5SY4302-7 SENTRON Miniature Circuit Breaker, 3-Pole, 2A, 10kA, Type C, 400V
Siemens 5SY4302-7 SENTRON Miniature Circuit Breaker, 3-Pole, 2A, 10kA, Type C, 400V
Siemens 5SY4302-7 SENTRON Miniature Circuit Breaker, 3-Pole, 2A, 10kA, Type C, 400V

SIEMENS

Siemens 5SY4302-7 SENTRON Miniature Circuit Breaker, 3-Pole, 2A, 10kA, Type C, 400V Original Brand New

Model / SKU5SY4302-7

High-performance 3-pole miniature circuit breaker from the SENTRON series. Designed for 400V AC applications, it features a 2A rated current, a 10kA switching capacity, and a Type C tripping characteristic, ensuring reliable protection for inductive loads and industrial circuits.

Original price was: $118.63.Current price is: $61.67.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SY4302-7 is engineered for demanding electrical environments where precision and safety are paramount. As part of the Siemens Sentron family, this MCB (Miniature Circuit Breaker) provides robust short-circuit and overload protection. With a compact mounting depth of 70mm, it integrates seamlessly into standard distribution boards and industrial control panels.

Key Benefit

  • High Reliability: Exceptional 10kA breaking capacity ensures safety during high-current faults.

  • Versatile Application: The Type C tripping characteristic is ideal for circuits with higher peak starting currents, such as motors and lighting.

  • Space-Saving Design: Standard 70mm depth allows for easy installation in compact electrical enclosures.

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

Function & Features

  • Tripping Characteristic: Type C (instantaneous tripping at 5 to 10 times rated current).

  • Pole Configuration: 3-pole design for three-phase circuit protection.

  • Mounting: Easy DIN rail mounting for quick installation and maintenance.

  • Durability: Built with high-quality materials to ensure a long mechanical and electrical service life.

Technical Specification

  • Product Number: Siemens 5SY4302-7

  • Type: Miniature Circuit Breaker (MCB)

  • Number of Poles: 3

  • Tripping Curve: C

  • Rated Current: 2A

  • Rated Voltage: 400 V

  • Breaking Capacity: 10 kA

  • Depth: 70 mm

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Datasheet in PDF

Specifications

SKU / Model5SY4302-7
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breaker
number of poles3
design of pole3P
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 pole1.2 W
operational current-
● at 35 °C / rated value2 A
● at 40 °C / rated value1.9 A
● at 45 °C / rated value1.85 A
● at 50 °C / rated value1.8 A
● at 55 °C / rated value1.75 A
● at 60 °C / rated value1.7 A
● at AC / rated value2 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 units3
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
Weight0.485 kg
Dimensions58.00 × 94.00 × 84.00 mm

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