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Siemens Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 10 kA, Screw Clamp, 5SJ4 - D-Curve, 2-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensD-Curve, 2-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 10 kA, Screw Clamp, 5SJ4

The SIEMENS 5SJ42058HG42 is a 0.5 A, D-Curve, 2-pole UL489 DIN rail-mount miniature circuit breaker rated for 277/480V AC and 60V DC with a 10 kA interrupting capacity. It features screw clamp terminals and is part…

SKU 3G-OTH-133172

Brand
Siemens
Item
Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 10 kA, Screw Clamp, 5SJ4
Category
D-Curve, 2-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ42058HG42
Type
10 kA, Screw Clamp, 5SJ4, AC/DC
AC
277/480V
DC
60V
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS 5SJ42058HG42 is a 0.5 A, D-Curve, 2-pole UL489 DIN rail-mount miniature circuit breaker rated for 277/480V AC and 60V DC with a 10 kA interrupting capacity. It features screw clamp terminals and is part of the 5SJ4 series.

Frequently Asked Questions

What is the SIEMENS 5SJ42058HG42 miniature circuit breaker used for?

The SIEMENS 5SJ42058HG42 is a 0.5 A, D-Curve, 2-pole UL489 miniature circuit breaker used for overcurrent protection in industrial control panels, HVAC equipment, and machinery. It is rated for 277/480V AC and 60V DC applications, making it suitable for both AC and DC circuits requiring a 10 kA interrupting capacity.

What are the specifications of the SIEMENS 5SJ42058HG42?

The SIEMENS 5SJ42058HG42 is a 0.5 A, D-Curve, 2-pole miniature circuit breaker with a 10 kA interrupting capacity. It is rated for 277/480V AC and 60V DC, features screw clamp terminals, and is part of the 5SJ4 series. It is UL489 listed for DIN rail mounting.

Where to buy the SIEMENS 5SJ42058HG42 worldwide?

You can source the SIEMENS 5SJ42058HG42 miniature circuit breaker from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this 5SJ4 series breaker.

How to install the SIEMENS 5SJ42058HG42 miniature circuit breaker?

Install the SIEMENS 5SJ42058HG42 by snapping it onto a DIN rail. Ensure the circuit is de-energized, then connect wires to the screw clamp terminals using the specified torque. Verify the D-Curve trip characteristic matches your load's inrush current. Follow NEC and local codes for overcurrent protection.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens d-curve, 2-pole ul489 din rail-mount miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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