5SJ4303-8HG41 The Siemens 5SJ4303-8HG41 is a 3-pole miniature circuit breaker rated for 3A operational current and 240V AC operating voltage. It features a D-trip characteristic and a short circuit breaking capacity of 14kA.
Mfr Part #:

5SJ4303-8HG41

Mfr Name: Siemens
Siemens
The Siemens 5SJ4303-8HG41 is a 3-pole miniature circuit breaker rated for 3A operational current and 240V AC operating voltage. It features a D-trip characteristic and a short circuit breaking capacity of 14kA.
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$ Price Range: $0.99

5SJ4303-8HG41 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Current Rating (Amps)
Depth
Halogen Free
Height
Illumination
Mounting Type
Number of Poles
Storage Temperature
Supply Voltage
Tape & Reel
Voltage
Voltage Rating
Width

5SJ4303-8HG41 Description

Short technical summary and product information.

The Siemens 5SJ4303-8HG41 is a miniature circuit breaker from the 5SJ4 series, designed for reliable circuit protection in industrial and mechanical engineering applications. This 3-pole device operates with a rated current of 3A at 30°C and can handle up to 240V AC according to UL 489 and CSA C22.2 No. 5-02 standards.

 

Key electrical specifications include a 400V AC rated supply voltage, 14kA short circuit breaking capacity according to UL 1077 and CSA C22.2 No.235, and a D-type tripping characteristic. The breaker is built for a mechanical service life of 10,000 switching cycles and offers a protection class of IP20 with connected conductors.

 

Designed for easy installation, the 5SJ4303-8HG41 features DIN rail mounting and combined terminal options at both the top and bottom. It has a compact mechanical design with dimensions of 110mm height, 54mm width, and 70mm depth, occupying 3 modular width units. The product is halogen-free, sealable, and silicon-free, contributing to its suitability for various environments.

5SJ4303-8HG41 Quick Information

Product Type: Miniature Circuit Breaker
Canonical Name: Siemens 5SJ4303-8HG41 Miniature Circuit Breaker

5SJ4303-8HG41 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

5SJ4303-8HG41 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

5SJ4303-8HG41 Features

  • 3-pole miniature circuit breaker
  • 3A operational current rating
  • 240V AC maximum operating voltage
  • 14kA short circuit breaking capacity
  • D-trip characteristic

5SJ4303-8HG41 Applications

  • Industrial control panels
  • Machine tool wiring
  • Power distribution systems
  • Building electrical systems

5SJ4303-8HG41 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operational current rating of the Siemens 5SJ4303-8HG41?

The operational current rating is 3A at 30°C and 40°C, decreasing slightly at higher temperatures.

What is the maximum AC operating voltage for this circuit breaker?

The maximum AC operating voltage according to UL 489 and CSA C22.2 No. 5-02 is 240V.

What is the short circuit breaking capacity of the 5SJ4303-8HG41?

The short circuit breaking capacity is 14kA at AC according to UL 1077 and CSA C22.2 No.235.

How many poles does the Siemens 5SJ4303-8HG41 have?

This circuit breaker has 3 poles.

What is the tripping characteristic of this circuit breaker?

The tripping characteristic class is D.

What is the mounting type for the 5SJ4303-8HG41?

It is designed for DIN rail mounting.

Is the Siemens 5SJ4303-8HG41 halogen-free?

Yes, the product is halogen-free.

5SJ4303-8HG41 Alternate Parts

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The Siemens 5SJ4303-7HG41 is a 3-pole miniature circuit breaker designed for AC and DC applications. It offers a 3A current rating and a 240V AC operating voltage.
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