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Siemens 5SJ4201-7HG42 Miniature Circuit Breaker 2-Pole, 1A, Type C, 480Y/277V
Siemens 5SJ4201-7HG42 Miniature Circuit Breaker 2-Pole, 1A, Type C, 480Y/277V
Siemens 5SJ4201-7HG42 Miniature Circuit Breaker 2-Pole, 1A, Type C, 480Y/277V
Siemens 5SJ4201-7HG42 Miniature Circuit Breaker 2-Pole, 1A, Type C, 480Y/277V
Siemens 5SJ4201-7HG42 Miniature Circuit Breaker 2-Pole, 1A, Type C, 480Y/277V

SIEMENS

Siemens 5SJ4201-7HG42 Miniature Circuit Breaker 2-Pole, 1A, Type C, 480Y/277V Original Brand New

Model / SKU5SJ4201-7HG42

Miniature Circuit Breaker rated for 480Y/277V, featuring a Type C trip curve, 2-pole, 1A and 10kA interrupting capacity, this UL 489 listed breaker is designed for reliable industrial branch circuit protection.

Original price was: $308.42.Current price is: $165.89.
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SJ4201-7HG42 is a high-performance Miniature Circuit Breaker (MCB) designed specifically for industrial applications requiring stringent UL 489 compliance. This 2-pole, 1 Amp breaker features a Type C tripping characteristic, making it ideal for circuits with moderate inrush currents. Engineered for durability and precision, it provides essential overcurrent and short-circuit protection in complex electrical systems.

Key Benefit

  • Global Standards Compliance: Fully certified according to UL 489 and CSA C22.2, allowing for use in North American branch circuit protection.

  • Enhanced Safety: Provides a 10kA interrupting capacity, ensuring the safety of your equipment and personnel during electrical faults.

  • Compact Design: The 2-pole configuration saves valuable DIN rail space while maintaining robust performance.

  • Easy Installation: Features standardized mounting and terminal designs for quick integration into control panels.

Function & Features

  • Trip Curve C: Optimized for control circuits and motors where small surges are expected.

  • Voltage Rating: Specifically rated for 480Y/277V, making it versatile for heavy-duty industrial power grids.

  • Current Limiting: Efficiently limits energy let-through to protect downstream components.

  • Visible Indicators: Clear handle positions to identify "ON," "OFF," or "TRIPPED" status at a glance.

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Datasheet in PDF

Specifications

SKU / Model5SJ4201-7HG42
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 / maximum277 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 pole1.7 W
operational current-
● at 30 °C / rated value1 A
● at 40 °C / rated value1 A
● at 45 °C / rated value0.97 A
● at 50 °C / rated value0.9 A
● at 55 °C / rated value0.9 A
● at 60 °C / rated value0.88 A
● at AC / rated value1 A
type of voltage supply / at AC / acc. to UL 489 and CSA C22.2 No. 5-02480/277
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.23510 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
Miscellaneous-
Weight0.340 kg
Dimensions40.00 × 125.00 × 84.00 mm

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