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Siemens 5SJ42357HG42 C-Curve 2-Pole UL489 Miniature Circuit Breaker - C-Curve, 2-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 2-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens 5SJ42357HG42 C-Curve 2-Pole UL489 Miniature Circuit Breaker

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ42357HG42, MPN 5SJ42357HG42) is a 35 A, 2-pole, C-Curve, UL489 DIN rail-mount unit. It is rated for 10kA at 277/480V AC and 125V DC, with screw clamp terminals.

SKU 3G-OTH-20952

Brand
Siemens
Item
5SJ42357HG42 C-Curve 2-Pole UL489 Miniature Circuit Breaker
Category
C-Curve, 2-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Siemens
Manufacturer Part Number
5SJ42357HG42
Type
10kA at 277/480V AC, Screw Clamp, 5SJ4
DC
125V
Max. AIR Rating
10kA at 277/480V AC
AC Voltage Rating
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 5SJ42357HG42, MPN 5SJ42357HG42) is a 35 A, 2-pole, C-Curve, UL489 DIN rail-mount unit. It is rated for 10kA at 277/480V AC and 125V DC, with screw clamp terminals.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS 5SJ42357HG42 miniature circuit breaker used for?

This SIEMENS 35 A, 2-pole, C-Curve MCB protects branch circuits in industrial control panels and distribution boards. It handles 10kA fault current at 277/480V AC and 125V DC, making it suitable for both AC and DC applications like motor control and lighting.

What are the specifications of the SIEMENS 5SJ42357HG42 MCB?

The SIEMENS 5SJ42357HG42 is a 35 A, 2-pole, C-Curve miniature circuit breaker with a max. AIR rating of 10kA at 277/480V AC and a DC voltage rating of 125V DC. It uses screw clamp terminals and is UL489 listed for DIN rail mounting.

Where to buy the SIEMENS 5SJ42357HG42 circuit breaker worldwide?

3G Electric supplies the SIEMENS 5SJ42357HG42 miniature circuit breaker worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this UL489, 35 A, 2-pole MCB.

How to install a SIEMENS 5SJ4 series miniature circuit breaker?

Snap the SIEMENS 5SJ4 MCB onto a standard 35 mm DIN rail until it locks. Connect line and load conductors to the screw clamp terminals, torquing to the manufacturer's specification. Ensure the breaker is off before wiring and verify polarity for DC circuits.

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, 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This 2-pole miniature circuit breaker features a C-Curve trip characteristic for moderate inrush currents. Rated 10 A with a maximum AIR of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals. Suitable for overcurrent protection in industrial control panels, lighting circuits, and motor branch circuits
Siemens
This 2-pole miniature circuit breaker features a C-Curve trip characteristic for moderate inrush currents. Rated 10 A with a maximum AIR of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals. Suitable for overcurrent protection in industrial control panels, lighting circuits, and motor branch circuits
This Siemens miniature circuit breaker is a C-curve, 2-pole unit rated at 40 A with a maximum interrupting rating of 10 kA at 277/480 V AC and a DC voltage rating of 125 V. It features screw clamp terminals and is UL489 listed for DIN rail mounting, suitable for branch circuit protection in industrial and commercial panels
Siemens
This Siemens miniature circuit breaker is a C-curve, 2-pole unit rated at 40 A with a maximum interrupting rating of 10 kA at 277/480 V AC and a DC voltage rating of 125 V. It features screw clamp terminals and is UL489 listed for DIN rail mounting, suitable for branch circuit protection in industrial and commercial panels
This Siemens miniature circuit breaker is a 2-pole, C-curve device rated for 5 A. It provides overcurrent protection for branch circuits in industrial and commercial electrical panels, with a maximum interrupting rating of 10 kA at 277/480 V AC and suitability for DC systems up to 125 V. The screw clamp terminals facilitate secure wiring connections
Siemens
This Siemens miniature circuit breaker is a 2-pole, C-curve device rated for 5 A. It provides overcurrent protection for branch circuits in industrial and commercial electrical panels, with a maximum interrupting rating of 10 kA at 277/480 V AC and suitability for DC systems up to 125 V. The screw clamp terminals facilitate secure wiring connections
This 2-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in branch circuits and control panels. Rated 20A with a maximum interrupting rating of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals for secure wiring. The DIN rail-mount design simplifies installation in distribution boards and enclosures
Siemens
This 2-pole miniature circuit breaker features a C-curve trip characteristic for overcurrent protection in branch circuits and control panels. Rated 20A with a maximum interrupting rating of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals for secure wiring. The DIN rail-mount design simplifies installation in distribution boards and enclosures
Siemens 5SJ4 series miniature circuit breaker, 0.5 A, C-curve, 2-pole, UL489 listed. Rated 10kA at 277/480V AC and 125V DC. Screw clamp terminals for secure wiring. Suitable for overcurrent protection in branch circuits, control panels, and equipment within industrial electrical systems
Siemens
Siemens 5SJ4 series miniature circuit breaker, 0.5 A, C-curve, 2-pole, UL489 listed. Rated 10kA at 277/480V AC and 125V DC. Screw clamp terminals for secure wiring. Suitable for overcurrent protection in branch circuits, control panels, and equipment within industrial electrical systems
This 2-pole miniature circuit breaker features a C-curve trip characteristic and is UL489 listed for branch circuit protection. Rated 30A with a maximum interrupting rating of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals for secure wiring. Designed for DIN rail mounting in industrial and commercial distribution panels
Siemens
This 2-pole miniature circuit breaker features a C-curve trip characteristic and is UL489 listed for branch circuit protection. Rated 30A with a maximum interrupting rating of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals for secure wiring. Designed for DIN rail mounting in industrial and commercial distribution panels

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This 2-pole miniature circuit breaker features a C-curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 16A with a maximum interrupting capacity of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals. Suitable for branch circuit protection in industrial control panels, motor starters, and distribution boards
Siemens
This 2-pole miniature circuit breaker features a C-curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 16A with a maximum interrupting capacity of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals. Suitable for branch circuit protection in industrial control panels, motor starters, and distribution boards
This 2-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for branch circuit protection. Rated 60 A at 240V AC and 60V DC with a 10 kA interrupting capacity, it uses screw clamp terminals for secure wiring. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery, it mounts on standard DIN rails
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This 2-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for branch circuit protection. Rated 60 A at 240V AC and 60V DC with a 10 kA interrupting capacity, it uses screw clamp terminals for secure wiring. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery, it mounts on standard DIN rails
This 2-pole miniature circuit breaker from the Siemens 5SJ4 series provides overcurrent protection for branch circuits in industrial control panels, HVAC equipment, and machinery. Rated 32 A with a C-Curve trip characteristic, it is UL489 listed for 240V AC and 60V DC applications up to 14 kA. The screw clamp terminals facilitate secure wiring, and the unit mounts on standard DIN rails
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This 2-pole miniature circuit breaker from the Siemens 5SJ4 series provides overcurrent protection for branch circuits in industrial control panels, HVAC equipment, and machinery. Rated 32 A with a C-Curve trip characteristic, it is UL489 listed for 240V AC and 60V DC applications up to 14 kA. The screw clamp terminals facilitate secure wiring, and the unit mounts on standard DIN rails
This 2-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 1.6 A with a maximum interrupting rating of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals. Suitable for branch circuit protection in industrial control panels and distribution boards
Siemens
This 2-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 1.6 A with a maximum interrupting rating of 10kA at 277/480V AC and 125V DC, it uses screw clamp terminals. Suitable for branch circuit protection in industrial control panels and distribution boards
Siemens 5SJ4 series miniature circuit breaker, 15 A, C-curve, 2-pole, UL489 listed for DIN-rail mounting. Rated 10kA at 277/480V AC and 125V DC, with screw clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery
Siemens
Siemens 5SJ4 series miniature circuit breaker, 15 A, C-curve, 2-pole, UL489 listed for DIN-rail mounting. Rated 10kA at 277/480V AC and 125V DC, with screw clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery
This 3 A, C-curve, 2-pole miniature circuit breaker is UL489 listed for DIN-rail mounting. Rated 10kA at 277/480V AC and 125V DC, it provides overcurrent protection in branch circuits, control panels, and equipment. Screw clamp terminals facilitate wiring
Siemens
This 3 A, C-curve, 2-pole miniature circuit breaker is UL489 listed for DIN-rail mounting. Rated 10kA at 277/480V AC and 125V DC, it provides overcurrent protection in branch circuits, control panels, and equipment. Screw clamp terminals facilitate wiring
This 2-pole miniature circuit breaker features a C-Curve trip characteristic for moderate inrush loads. Rated 1A, 10kA at 277/480V AC and 125V DC, with screw clamp terminals. UL489 listed for DIN rail mounting. Suitable for overcurrent protection in industrial control panels, lighting circuits, and motor branch circuits
Siemens
This 2-pole miniature circuit breaker features a C-Curve trip characteristic for moderate inrush loads. Rated 1A, 10kA at 277/480V AC and 125V DC, with screw clamp terminals. UL489 listed for DIN rail mounting. Suitable for overcurrent protection in industrial control panels, lighting circuits, and motor branch circuits
This 2-pole miniature circuit breaker features a C-curve trip characteristic for moderate inrush currents. Rated 32 A with a maximum AIR of 10kA at 277/480V AC and DC voltage rating of 125V DC. Terminal connection is screw clamp. Suitable for branch circuit protection in industrial and commercial panels
Siemens
This 2-pole miniature circuit breaker features a C-curve trip characteristic for moderate inrush currents. Rated 32 A with a maximum AIR of 10kA at 277/480V AC and DC voltage rating of 125V DC. Terminal connection is screw clamp. Suitable for branch circuit protection in industrial and commercial panels