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SIEMENS 5SJ43057HG42 C-Curve 3-Pole UL489 Miniature Circuit Breaker - C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

SIEMENS 5SJ43057HG42 C-Curve 3-Pole UL489 Miniature Circuit Breaker

The SIEMENS 5SJ43057HG42 is a C-curve, 3-pole UL489 DIN rail-mount miniature circuit breaker rated at 0.5 A amps, 60V DC, with a maximum AIR rating of 10 kA. It features a screw clamp terminal connection.

SKU 3G-OTH-20445

Brand
Siemens
Item
5SJ43057HG42 C-Curve 3-Pole UL489 Miniature Circuit Breaker
Category
C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
5SJ43057HG42
Max. AIR Rating
10 kA
DC Voltage Rating
60V DC
Terminal Connection
Screw Clamp

Technical Documents

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

Product Description

The SIEMENS 5SJ43057HG42 is a C-curve, 3-pole UL489 DIN rail-mount miniature circuit breaker rated at 0.5 A amps, 60V DC, with a maximum AIR rating of 10 kA. It features a screw clamp terminal connection.

Frequently Asked Questions

What is the SIEMENS 5SJ43057HG42 miniature circuit breaker used for?

The SIEMENS 5SJ43057HG42 is a C-curve, 3-pole UL489 miniature circuit breaker used for overcurrent protection in DC circuits up to 60V DC. It is commonly applied in industrial control panels, machinery, and power distribution systems requiring reliable branch circuit protection.

What are the specifications of the SIEMENS 5SJ43057HG42?

The SIEMENS 5SJ43057HG42 is rated at 0.5 A amps, 60V DC, with a maximum AIR rating of 10 kA. It features a screw clamp terminal connection and is a C-curve, 3-pole UL489 DIN rail-mount miniature circuit breaker. The manufacturer part number is 5SJ43057HG42.

Where to buy the SIEMENS 5SJ43057HG42 worldwide?

You can source the SIEMENS 5SJ43057HG42 through 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 Siemens miniature circuit breaker.

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

Select a DC-rated miniature circuit breaker like the SIEMENS 5SJ43057HG42 by matching the voltage (60V DC), current (0.5 A), and interrupting rating (10 kA) to your circuit requirements. Ensure the curve type (C-curve) suits the load, and use a UL489 listed device 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This 3-pole miniature circuit breaker is UL489 listed for branch-circuit protection in DC systems up to 60V DC. Rated 15A with a 10kA interrupting capacity, it features a C-curve trip characteristic for moderate inrush currents. The screw clamp terminals facilitate secure wiring, and the DIN rail mount design simplifies installation in control panels and equipment enclosures
Siemens
This 3-pole miniature circuit breaker is UL489 listed for branch-circuit protection in DC systems up to 60V DC. Rated 15A with a 10kA interrupting capacity, it features a C-curve trip characteristic for moderate inrush currents. The screw clamp terminals facilitate secure wiring, and the DIN rail mount design simplifies installation in control panels and equipment enclosures
This 3-pole miniature circuit breaker from Siemens is UL489 listed for DIN rail mounting. Rated 45 A, it provides overcurrent protection for branch circuits in industrial control panels and equipment. With a C-curve trip characteristic and 10 kA interrupting capacity, it is suitable for 240V AC or 60V DC systems. Screw clamp terminals facilitate secure wiring connections
Siemens
This 3-pole miniature circuit breaker from Siemens is UL489 listed for DIN rail mounting. Rated 45 A, it provides overcurrent protection for branch circuits in industrial control panels and equipment. With a C-curve trip characteristic and 10 kA interrupting capacity, it is suitable for 240V AC or 60V DC systems. Screw clamp terminals facilitate secure wiring connections
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 40 A with a maximum interrupting rating of 14 kA at 240V AC and 60V DC, it uses screw clamp terminals for secure wiring. Suitable for branch circuit protection in industrial control panels, HVAC equipment, and distribution boards
Siemens
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 40 A with a maximum interrupting rating of 14 kA at 240V AC and 60V DC, it uses screw clamp terminals for secure wiring. Suitable for branch circuit protection in industrial control panels, HVAC equipment, and distribution boards
This Siemens miniature circuit breaker is a 3-pole, C-curve device rated for 1.6 A at 60V DC with a maximum interrupting rating of 10 kA. It features screw clamp terminals and is UL489 listed for DIN rail mounting. Suitable for protecting DC circuits in control panels, telecom power supplies, and renewable energy systems against overloads and short circuits
Siemens
This Siemens miniature circuit breaker is a 3-pole, C-curve device rated for 1.6 A at 60V DC with a maximum interrupting rating of 10 kA. It features screw clamp terminals and is UL489 listed for DIN rail mounting. Suitable for protecting DC circuits in control panels, telecom power supplies, and renewable energy systems against overloads and short circuits
3-pole miniature circuit breaker with C-curve trip characteristic, rated 1.6 A at 240V AC and 60V DC. Maximum interrupting rating 14 kA. Screw clamp terminals for secure wiring. UL489 listed for overcurrent protection in branch circuits, control panels, and machinery
Siemens
3-pole miniature circuit breaker with C-curve trip characteristic, rated 1.6 A at 240V AC and 60V DC. Maximum interrupting rating 14 kA. Screw clamp terminals for secure wiring. UL489 listed for overcurrent protection in branch circuits, control panels, and machinery
This 3-pole miniature circuit breaker is rated 30 A with a C-curve trip characteristic. It provides overcurrent protection for branch circuits in commercial and industrial applications, and is suitable for DC circuits up to 125 V. The unit features screw clamp terminals and is UL489 listed for DIN rail mounting
Siemens
This 3-pole miniature circuit breaker is rated 30 A with a C-curve trip characteristic. It provides overcurrent protection for branch circuits in commercial and industrial applications, and is suitable for DC circuits up to 125 V. The unit features screw clamp terminals and is UL489 listed for DIN rail mounting

More from Siemens

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Three-pole miniature circuit breaker with C-curve trip characteristic for overcurrent protection. Rated 0.5 A at 240V AC or 60V DC with a 14 kA interrupting capacity. UL489 listed for branch circuit protection in industrial control panels, machinery, and DC power systems. Screw clamp terminals for secure wiring
Siemens
Three-pole miniature circuit breaker with C-curve trip characteristic for overcurrent protection. Rated 0.5 A at 240V AC or 60V DC with a 14 kA interrupting capacity. UL489 listed for branch circuit protection in industrial control panels, machinery, and DC power systems. Screw clamp terminals for secure wiring
Three-pole miniature circuit breaker with C-curve trip characteristic, rated 60 A. UL489 listed for DIN rail mounting. Interrupting capacity 10 kA at 240V AC and 60V DC. Screw clamp terminals. Suitable for branch circuit protection in industrial control panels and DC power distribution systems
Siemens
Three-pole miniature circuit breaker with C-curve trip characteristic, rated 60 A. UL489 listed for DIN rail mounting. Interrupting capacity 10 kA at 240V AC and 60V DC. Screw clamp terminals. Suitable for branch circuit protection in industrial control panels and DC power distribution systems
This 3-pole miniature circuit breaker features a C-Curve trip characteristic for overcurrent protection in branch circuits. Rated 50A with a maximum interrupting capacity of 10kA at 240V AC and 125V DC, it is UL489 listed for use in industrial control panels and machinery. Screw clamp terminals facilitate secure wiring in DIN-rail mounted enclosures
Siemens
This 3-pole miniature circuit breaker features a C-Curve trip characteristic for overcurrent protection in branch circuits. Rated 50A with a maximum interrupting capacity of 10kA at 240V AC and 125V DC, it is UL489 listed for use in industrial control panels and machinery. Screw clamp terminals facilitate secure wiring in DIN-rail mounted enclosures
This 3-pole miniature circuit breaker features a C-curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 20 A at 60V DC with a 10 kA interrupting capacity, it uses screw clamp terminals for secure wiring connections. Suitable for overcurrent protection in DC control panels, industrial machinery, and power distribution systems
Siemens
This 3-pole miniature circuit breaker features a C-curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 20 A at 60V DC with a 10 kA interrupting capacity, it uses screw clamp terminals for secure wiring connections. Suitable for overcurrent protection in DC control panels, industrial machinery, and power distribution systems
This 3-pole miniature circuit breaker is rated 1A with a C-Curve trip characteristic. It provides overcurrent protection for branch circuits in commercial and industrial applications, with a maximum interrupting rating of 14kA at 240V AC and a DC voltage rating of 125V DC. The screw clamp terminals facilitate secure wiring connections on DIN rail mountings
Siemens
This 3-pole miniature circuit breaker is rated 1A with a C-Curve trip characteristic. It provides overcurrent protection for branch circuits in commercial and industrial applications, with a maximum interrupting rating of 14kA at 240V AC and a DC voltage rating of 125V DC. The screw clamp terminals facilitate secure wiring connections on DIN rail mountings
This Siemens miniature circuit breaker is a 3-pole, C-curve device rated at 0.3 A with a DC voltage rating of 60V DC and a maximum AIR rating of 10 kA. It features screw clamp terminals and is UL489 listed for DIN rail mounting. Typical applications include overcurrent and short-circuit protection in industrial control panels, machinery, and power distribution systems
Siemens
This Siemens miniature circuit breaker is a 3-pole, C-curve device rated at 0.3 A with a DC voltage rating of 60V DC and a maximum AIR rating of 10 kA. It features screw clamp terminals and is UL489 listed for DIN rail mounting. Typical applications include overcurrent and short-circuit protection in industrial control panels, machinery, and power distribution systems
This 3-pole miniature circuit breaker is rated 3A with a C-Curve trip characteristic. It has a maximum AIR rating of 14kA at 240V AC and a DC voltage rating of 125V DC. The terminal connection uses screw clamps. Typical applications include branch circuit protection in industrial control panels and distribution boards
Siemens
This 3-pole miniature circuit breaker is rated 3A with a C-Curve trip characteristic. It has a maximum AIR rating of 14kA at 240V AC and a DC voltage rating of 125V DC. The terminal connection uses screw clamps. Typical applications include branch circuit protection in industrial control panels and distribution boards
This 3-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in commercial and industrial applications. Rated 16A with a maximum interrupting rating of 14kA at 240V AC and 125V DC, it is suitable for AC and DC circuits. The screw clamp terminal connection ensures secure wiring. Typical uses include branch circuit protection in distribution panels and control circuits
Siemens
This 3-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in commercial and industrial applications. Rated 16A with a maximum interrupting rating of 14kA at 240V AC and 125V DC, it is suitable for AC and DC circuits. The screw clamp terminal connection ensures secure wiring. Typical uses include branch circuit protection in distribution panels and control circuits