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Siemens 5SJ43357HG42 35A 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 5SJ43357HG42 35A C-Curve 3-Pole UL489 Miniature Circuit Breaker

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ43357HG42, MPN 5SJ43357HG42) is a 35 A, C-curve, 3-pole UL489 DIN rail-mount device. It features a maximum AIR rating of 10kA at 277/480V AC and a DC voltage rating…

SKU 3G-OTH-20332

Brand
Siemens
Item
5SJ43357HG42 35A 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
5SJ43357HG42
Type
10kA at 277/480V AC, Screw Clamp, C
DC
125V
Max. AIR Rating
10kA at 277/480V AC
DC Voltage Rating
125V DC
Terminal Connection
Screw Clamp

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

Product Description

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ43357HG42, MPN 5SJ43357HG42) is a 35 A, C-curve, 3-pole UL489 DIN rail-mount device. It features a maximum AIR rating of 10kA at 277/480V AC and a DC voltage rating of 125V DC, with screw clamp terminal connections.

Frequently Asked Questions

What is the SIEMENS IEC Miniature Circuit Breaker 5SJ43357HG42 used for?

This 35 A, C-curve, 3-pole UL489 miniature circuit breaker protects branch circuits in industrial and commercial panels against overloads and short circuits. It is suitable for AC systems up to 480V and DC systems up to 125V, commonly used in motor control centers and distribution boards.

What are the specifications of the SIEMENS 5SJ43357HG42 circuit breaker?

The SIEMENS IEC Miniature Circuit Breaker (MPN 5SJ43357HG42) is rated 35 A, C-curve, 3-pole, with a maximum AIR rating of 10kA at 277/480V AC and a DC voltage rating of 125V DC. It features screw clamp terminals and is UL489 listed for DIN rail mounting.

Where to buy the SIEMENS 5SJ43357HG42 circuit breaker worldwide?

3G Electric supplies the SIEMENS 5SJ43357HG42 miniature circuit breaker worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the SIEMENS 5SJ43357HG42 miniature circuit breaker?

Snap the SIEMENS 5SJ43357HG42 onto a standard DIN rail. Ensure the rail is clean and the breaker clips engage firmly. Connect phase and neutral wires to the screw clamp terminals, torquing to manufacturer specifications. Verify the C-curve matches your load type before energizing.

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 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
Three-pole miniature circuit breaker with C-curve trip characteristic, rated 40 A. Provides overcurrent protection for branch circuits, motor circuits, and control panels. UL489 listed for DIN-rail mounting, with a maximum AIR rating of 10kA at 277/480V AC and DC voltage rating of 125V DC. Terminals are screw clamp type
Siemens
Three-pole miniature circuit breaker with C-curve trip characteristic, rated 40 A. Provides overcurrent protection for branch circuits, motor circuits, and control panels. UL489 listed for DIN-rail mounting, with a maximum AIR rating of 10kA at 277/480V AC and DC voltage rating of 125V DC. Terminals are screw clamp type
This 3-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for branch circuit protection. Rated 32A with a maximum interrupting capacity of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals for secure wiring. Suitable for overcurrent protection in industrial control panels, lighting circuits, and motor branch circuits
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This 3-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for branch circuit protection. Rated 32A with a maximum interrupting capacity of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals for secure wiring. Suitable for overcurrent protection in industrial control panels, lighting circuits, and motor branch circuits
Three-pole miniature circuit breaker with C-curve trip characteristic, rated 35 A. UL489 listed for branch circuit protection. Maximum interrupting rating 14 kA at 240 V AC; DC voltage rating 125 V DC. Screw clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems
Siemens
Three-pole miniature circuit breaker with C-curve trip characteristic, rated 35 A. UL489 listed for branch circuit protection. Maximum interrupting rating 14 kA at 240 V AC; DC voltage rating 125 V DC. Screw clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems
This 3-pole miniature circuit breaker is UL489 listed and DIN rail-mountable. It features a C-Curve trip characteristic, 20A rated current, 125V DC voltage rating, and 14kA interrupting capacity at 240V AC. Screw clamp terminals provide secure wiring connections. Typical applications include overcurrent protection in industrial control panels, machinery, and DC power systems
Siemens
This 3-pole miniature circuit breaker is UL489 listed and DIN rail-mountable. It features a C-Curve trip characteristic, 20A rated current, 125V DC voltage rating, and 14kA interrupting capacity at 240V AC. Screw clamp terminals provide secure wiring connections. Typical applications include overcurrent protection in industrial control panels, machinery, and DC power systems
This 3-pole miniature circuit breaker is rated 25 A with a C-Curve trip characteristic. It has a maximum interrupting rating of 14 kA at 240 V AC and a DC voltage rating of 125 V DC. Terminal connections are screw clamp type. Suitable for overcurrent protection in branch circuits, control panels, and equipment requiring UL489 listing
Siemens
This 3-pole miniature circuit breaker is rated 25 A with a C-Curve trip characteristic. It has a maximum interrupting rating of 14 kA at 240 V AC and a DC voltage rating of 125 V DC. Terminal connections are screw clamp type. Suitable for overcurrent protection in branch circuits, control panels, and equipment requiring UL489 listing

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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
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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