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Siemens 5SJ4103-7HG40 Sentron Miniature Circuit Breaker 1-Pole, 3A, Class C, 240V, 14kA
Siemens 5SJ4103-7HG40 Sentron Miniature Circuit Breaker 1-Pole, 3A, Class C, 240V, 14kA
Siemens 5SJ4103-7HG40 Sentron Miniature Circuit Breaker 1-Pole, 3A, Class C, 240V, 14kA
Siemens 5SJ4103-7HG40 Sentron Miniature Circuit Breaker 1-Pole, 3A, Class C, 240V, 14kA
Siemens 5SJ4103-7HG40 Sentron Miniature Circuit Breaker 1-Pole, 3A, Class C, 240V, 14kA
Siemens 5SJ4103-7HG40 Sentron Miniature Circuit Breaker 1-Pole, 3A, Class C, 240V, 14kA

SIEMENS

Siemens 5SJ4103-7HG40 Sentron Miniature Circuit Breaker 1-Pole, 3A, Class C, 240V, 14kA Original Brand New

Model / SKU5SJ4103-7HG40

High-performance, 1-pole miniature circuit breaker (MCB) designed for superior branch circuit protection. Featuring a 3A current rating and a 14kA interrupting capacity, this Class C tripping characteristic breaker is fully compliant with UL 489 standards, ensuring safety and reliability in demanding industrial environments.

Original price was: $102.58.Current price is: $55.17.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SJ4103-7HG40 is part of the esteemed Sentron family, specifically engineered for the North American market and global applications requiring UL 489 approval. This 1-pole MCB provides robust protection against overloads and short circuits in 240V systems. With a compact mounting depth of 70 mm and "equal polarity" design, it is an ideal solution for space-constrained electrical panels.

Key Benefit

  • Certified Protection: Fully meets UL 489 and CSA C22.2 standards, making it suitable for branch circuit protection in industrial machinery and control panels.

  • High Interrupting Capacity: Rated for 14kA, providing a high safety margin during electrical faults.

  • Space-Saving Design: A slim 70mm depth allows for easy integration into standard DIN rail configurations.

  • Durable Construction: Built with Siemens’ world-class engineering to ensure a long mechanical and electrical service life.

Function & Features

  • Tripping Characteristic C: Ideal for circuits with moderate peak starting currents, such as small motors or lighting groups.

  • Single-Pole Design: Designed for 240V AC applications.

  • Equal Polarity: Simplifies wiring by allowing flexibility in the connection of line and load sides.

  • Visible Trip Indicator: Allows for quick troubleshooting by clearly showing the breaker status.

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Datasheet in PDF

Specifications

SKU / Model5SJ4103-7HG40
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breakers
design of the productMiniature circuit-breaker 5SJ4
number of poles1
tripping characteristic classC
mechanical service life (switching cycles) / typical10 000
installation environment regarding EMCSuitable for environment B (immunity to interference not applicable)
reference code / acc. to DIN 40719 extended according to IEC 204-2 / acc. to IEC 750F
overvoltage category3
degree of pollution3
insulation voltage (Ui) / at AC / rated value440 V
supply voltage / at AC / rated value400 V
operating voltage-
● at AC / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum120 V
● at DC / rated value / maximum60 V
● at DC / single channel / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum60 V
protection class IPIP20, with connected conductors, IP 40 in the handle range
switching capacity current-
● acc. to EN 60898 / rated value10 kA
● acc. to IEC 60947-2 / rated value15 kA
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole1.8 W
operational current-
● at 30 °C / rated value3 A
● at 40 °C / rated value3 A
● at 45 °C / rated value2.9 A
● at 50 °C / rated value2.8 A
● at 55 °C / rated value2.7 A
● at 60 °C / rated value2.6 A
● at AC / rated value3 A
type of voltage supply / at AC / acc. to UL 489 and CSA C22.2 No. 5-02240/120
suitability for operationMechanical engineering / industry
product component / neutral conductor switchingNo
product feature / touch protectionYes
product component-
● tunnel terminals topNo
● tunnel terminals bottomNo
● combined terminal topYes
● combined terminal bottomYes
product feature-
● halogen-freeYes
● sealableYes
● silicon-freeYes
product extension / installable / supplementary devicesYes
product function / noteTerminal tightening torque for Cu, 60/75°C; 3.5Nm/31lb.in
breaking capacity short-circuit current (Icn) / at AC / acc. to UL 1077 and CSA C22.2 No.23514 kA
connectable conductor cross-section / finely stranded / with core end processing-
tightening torque / with screw-type terminals / maximum3.5 N·m
position / of power supply cordAny
installation depth70 mm
number of modular width units1
fastening methodon standard mounting rail
mounting positionany
vibration resistance50 m/s² at 25 to 150Hz and 60m/s² at 35Hz (4sec)
ambient temperature / during operation-
ambient temperature / during storage-
● minimum-40 °C
● maximum75 °C
reference code-
● acc. to DIN EN 61346-2F
● acc. to IEC 81346-2F
Test Certificatesother
Special Test CertificateMiscellaneous
Weight0.163 kg
Dimensions21.00 × 93.00 × 83.00 mm

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