5SJ4318-8HG42 The Siemens 5SJ4318-8HG42 is a 3-pole miniature circuit breaker rated for 15A and a 10kA switching capacity. It features a D-trip characteristic and is suitable for AC/DC operation.
Mfr Part #:

5SJ4318-8HG42

Mfr Name: Siemens
Siemens
The Siemens 5SJ4318-8HG42 is a 3-pole miniature circuit breaker rated for 15A and a 10kA switching capacity. It features a D-trip characteristic and is suitable for AC/DC operation.
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5SJ4318-8HG42 Specifications Quick View

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

5SJ4318-8HG42 Description

Short technical summary and product information.

This Siemens 5SJ4318-8HG42 is a 3-pole miniature circuit breaker from the 5SJ4 series. It is designed for AC and DC applications with a rated operational current of 15A and a switching capacity of 10kA according to EN 60898 and 15kA according to IEC 60947-2.

 

The circuit breaker operates with a D-trip characteristic and has an insulation voltage rating of 440V AC. It supports a wide range of operating voltages, including up to 277V AC according to UL 489 and CSA C22.2 No. 5-02, and up to 125V DC in a 2-channel configuration.

 

Featuring a DIN rail mounting type, this device has a compact mechanical design with dimensions of 121mm height, 54mm width, and 70mm depth, occupying 3 modular width units. It offers IP20 protection with connected conductors and IP40 in the handle range.

 

Additional features include halogen-free and silicon-free construction, touch protection, and sealability. It is suitable for mechanical engineering and industrial applications.

5SJ4318-8HG42 Quick Information

Product Type: Miniature Circuit Breaker
Series: 5SJ4
Canonical Name: Siemens 5SJ4318-8HG42 Miniature Circuit Breaker

5SJ4318-8HG42 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

5SJ4318-8HG42 Features

  • Three-pole miniature circuit breaker.
  • Rated for 15A operational current.
  • Features a D-trip characteristic.
  • 10kA switching capacity.
  • Suitable for DIN rail mounting.

5SJ4318-8HG42 Applications

  • Ideal for industrial applications.
  • Used in mechanical engineering.
  • Provides circuit protection.
  • Suitable for AC and DC circuits.

5SJ4318-8HG42 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the Siemens 5SJ4318-8HG42 circuit breaker?

The rated operational current is 15A at 30°C and 40°C.

How many poles does the 5SJ4318-8HG42 have?

This circuit breaker has 3 poles.

What is the switching capacity of the Siemens 5SJ4318-8HG42?

The switching capacity is 10 kA according to EN 60898 and 15 kA according to IEC 60947-2.

What is the voltage rating for this circuit breaker?

The rated insulation voltage is 440 V AC, and the rated supply voltage is 400 V AC.

What type of mounting does the 5SJ4318-8HG42 use?

It is designed for mounting on a standard DIN rail.

Is the Siemens 5SJ4318-8HG42 halogen-free?

Yes, the product feature indicates it is halogen-free.

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