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Siemens Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14 kA, Screw Clamp, C - C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14 kA, Screw Clamp, C

The SIEMENS Miniature Circuit Breaker (SKU 30YD54) is a C-Curve, 3-Pole UL489 DIN Rail-Mount unit rated at 0.5 A Amps. It features a Max. AIR Rating of 14 kA, a DC Voltage Rating of 60V DC, and a Terminal Connection…

SKU 3G-OTH-20456

Brand
Siemens
Item
Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14 kA, Screw Clamp, C
Category
C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ43057HG41
Type
14 kA, Screw Clamp, C
AC
240V
DC
60V
Max. AIR Rating
14 kA
DC Voltage Rating
60V DC
Terminal Connection
Screw Clamp
View Full Spec Sheet

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Miniature Circuit Breaker (SKU 30YD54) is a C-Curve, 3-Pole UL489 DIN Rail-Mount unit rated at 0.5 A Amps. It features a Max. AIR Rating of 14 kA, a DC Voltage Rating of 60V DC, and a Terminal Connection of Screw Clamp. This model (MPN 5SJ43057HG41) also supports 240V AC operation.

Frequently Asked Questions

What is the SIEMENS 5SJ43057HG41 miniature circuit breaker used for?

This SIEMENS C-Curve, 3-Pole UL489 DIN Rail-Mount miniature circuit breaker is used for overcurrent protection in industrial control panels, machinery, and DC power systems. It handles 0.5 A at 60V DC or 240V AC, with a 14 kA interrupting rating, making it suitable for branch circuit protection in manufacturing and process automation.

What are the specifications of the SIEMENS 5SJ43057HG41 circuit breaker?

The SIEMENS 5SJ43057HG41 is a 0.5 A, 3-pole miniature circuit breaker with a C-Curve trip characteristic. It has a DC voltage rating of 60V DC, an AC voltage rating of 240V AC, a maximum AIR rating of 14 kA, and a screw clamp terminal connection. It is UL489 listed for DIN rail mounting.

Where to buy the SIEMENS 5SJ43057HG41 circuit breaker worldwide?

3G Electric supplies the SIEMENS 5SJ43057HG41 miniature circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 0.5 A, 60V DC, 14 kA unit.

How to select the right SIEMENS miniature circuit breaker for a DC application?

For DC applications, verify the circuit breaker's DC voltage rating matches your system voltage—this SIEMENS model is rated 60V DC. Ensure the interrupting rating (14 kA) exceeds available fault current. The C-Curve is suitable for moderate inrush loads like motors and transformers. Always follow NEC and local codes for branch circuit 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 c-curve, 3-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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