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Siemens 5SJ4203-7HG41 Miniature Circuit Breaker 2-Pole, 3A, Class C, 240V, UL 489 Rated
Siemens 5SJ4203-7HG41 Miniature Circuit Breaker 2-Pole, 3A, Class C, 240V, UL 489 Rated
Siemens 5SJ4203-7HG41 Miniature Circuit Breaker 2-Pole, 3A, Class C, 240V, UL 489 Rated
Siemens 5SJ4203-7HG41 Miniature Circuit Breaker 2-Pole, 3A, Class C, 240V, UL 489 Rated
Siemens 5SJ4203-7HG41 Miniature Circuit Breaker 2-Pole, 3A, Class C, 240V, UL 489 Rated

SIEMENS

Siemens 5SJ4203-7HG41 Miniature Circuit Breaker 2-Pole, 3A, Class C, 240V, UL 489 Rated Original Brand New

Model / SKU5SJ4203-7HG41

High-performance miniature circuit breaker (MCB) designed for branch circuit protection in industrial and commercial applications. Built to comply with the rigorous UL 489 standards, this 2-pole breaker provides reliable protection against overloads and short circuits. With a 14kA interrupting capacity and a C-trip characteristic, it is ideal for circuits with moderate inrush currents, such as lighting, control circuits, and small motors.

Original price was: $268.93.Current price is: $132.20.
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  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SJ4203-7HG41 is a high-performance miniature circuit breaker (MCB) designed for branch circuit protection in industrial and commercial applications. Built to comply with the rigorous UL 489 standards, this 2-pole breaker provides reliable protection against overloads and short circuits. With a 14kA interrupting capacity and a C-trip characteristic, it is ideal for circuits with moderate inrush currents, such as lighting, control circuits, and small motors.

Key Benefit

  • Global Compliance: Fully certified according to UL 489 and CSA C22.2, making it suitable for export-oriented equipment destined for the North American market.

  • Space-Saving Design: Featuring a standard mounting depth of 70 mm, it fits easily into compact distribution boards and control panels.

  • Enhanced Safety: Provides reliable disconnection and protection of electrical installations, reducing the risk of equipment damage and downtime.

  • Easy Installation: Designed for DIN rail mounting with clear terminal markings for error-free wiring.

Function & Features

  • Overload Protection: Trips on sustained overloads to protect wiring and equipment.

  • Short Circuit Protection: Quickly detects and interrupts dangerous short‑circuit currents.

  • Manual Switch Operation: Easy ON/OFF control for maintenance and testing.

  • Modular Design: Compatible with Siemens distribution panels and DIN‑rail mounting.

  • Thermal‑Magnetic Trip Unit: Combines thermal protection for overloads and magnetic protection for short circuits.

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Datasheet in PDF

Specifications

SKU / Model5SJ4203-7HG41
BrandSIEMENS
product brand nameSENTRON
product designationMiniature circuit breakers
design of the productMiniature circuit-breaker 5SJ4
number of poles2
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
type of voltage / of the operating voltageAC/DC
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 / maximum240 V
● at DC / rated value / maximum60 V
● at DC / single channel / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum60 V
● at DC / 2-channel / acc. to UL 489 and CSA C22.2 No. 5-02 / maximum125 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
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 units2
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
Weight0.329 kg
Dimensions40.00 × 114.00 × 84.00 mm

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