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Siemens 5SJ4111-7HG42 Sentron Miniature Circuit Breaker 1-Pole, 5A, Class C, 10kA, UL 489
Siemens 5SJ4111-7HG42 Sentron Miniature Circuit Breaker 1-Pole, 5A, Class C, 10kA, UL 489
Siemens 5SJ4111-7HG42 Sentron Miniature Circuit Breaker 1-Pole, 5A, Class C, 10kA, UL 489
Siemens 5SJ4111-7HG42 Sentron Miniature Circuit Breaker 1-Pole, 5A, Class C, 10kA, UL 489

SIEMENS

Siemens 5SJ4111-7HG42 Sentron Miniature Circuit Breaker 1-Pole, 5A, Class C, 10kA, UL 489 Original Brand New

Model / SKU5SJ4111-7HG42

High-performance 1-pole miniature circuit breaker designed for superior branch circuit protection. Featuring a 5A current rating and Class C tripping characteristic, this unit is fully compliant with UL 489 standards for 277V AC applications, ensuring safety and reliability in demanding industrial environments.

Original price was: $124.00.Current price is: $66.70.
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  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 5SJ4111-7HG42 belongs to the renowned Sentron family, specifically engineered for the North American market. This miniature circuit breaker (MCB) provides robust protection against overloads and short circuits. Its compact design and 10kA breaking capacity make it an ideal choice for feeder and branch circuit protection in electrical panels and machinery.

Key Benefit

  • North American Compliance: Fully certified under UL 489, allowing for use as a branch circuit protector in various industrial applications.

  • Enhanced Safety: Provides a high interrupting capacity of 10kA, significantly reducing the risk of equipment damage during electrical faults.

  • Reliable Performance: The Class C tripping curve is optimized for circuits with moderate inrush currents, such as lighting and small motor loads.

  • Space-Saving Design: The 1-pole, compact construction allows for efficient use of space within control cabinets.

Technical Function

  • Overload Protection: Thermal tripping element handles sustained over-current conditions.

  • Short-Circuit Protection: Electromagnetic instantaneous tripping for immediate disconnection during faults.

  • Versatile Mounting: Designed for easy installation on standard DIN rails.

Technical Specification

  • Manufacturer: Siemens

  • Product Number: 5SJ4111-7HG42

  • Breaking Capacity: 10kA

  • Number of Poles: 1-Pole

  • Tripping Curve: C Curve

  • Rated Current: 5 A

  • Standard: UL 489

  • Rated Voltage: 277V

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Datasheet in PDF

Specifications

SKU / Model5SJ4111-7HG42
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 / 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 pole2.9 W
operational current-
● at 30 °C / rated value5 A
● at 40 °C / rated value5 A
● at 45 °C / rated value4.9 A
● at 50 °C / rated value4.8 A
● at 55 °C / rated value4.6 A
● at 60 °C / rated value4.5 A
● at AC / rated value5 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 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
Miscellaneous-
Weight0.174 kg
Dimensions22.00 × 125.00 × 84.00 mm

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