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Siemens 5SJ42327HG42 C-Curve 2-Pole UL489 DIN Rail-Mount - C-Curve, 2-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 2-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens 5SJ42327HG42 C-Curve 2-Pole UL489 DIN Rail-Mount

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ42327HG42, MPN 5SJ42327HG42) is a C-Curve, 2-Pole UL489 DIN Rail-Mount unit rated for 32 A. It supports AC voltage up to 277/480V AC and DC voltage up to 125V DC…

SKU 3G-OTH-21128

Brand
Siemens
Item
5SJ42327HG42 C-Curve 2-Pole UL489 DIN Rail-Mount
Category
C-Curve, 2-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
5SJ42327HG42
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

Technical Documents

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

Product Description

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ42327HG42, MPN 5SJ42327HG42) is a C-Curve, 2-Pole UL489 DIN Rail-Mount unit rated for 32 A. It supports AC voltage up to 277/480V AC and DC voltage up to 125V DC, with a maximum AIR rating of 10kA at 277/480V AC. The terminal connection uses a screw clamp.

Frequently Asked Questions

What is the SIEMENS 5SJ42327HG42 miniature circuit breaker used for?

The SIEMENS 5SJ42327HG42 is a C-Curve, 2-Pole UL489 DIN Rail-Mount miniature circuit breaker rated for 32 A. It protects branch circuits in industrial and commercial panels against overloads and short circuits, supporting AC systems up to 277/480V AC and DC systems up to 125V DC.

What are the specifications of the SIEMENS 5SJ42327HG42 MCB?

The SIEMENS 5SJ42327HG42 is a 32 A, C-Curve, 2-Pole miniature circuit breaker with a maximum AIR rating of 10kA at 277/480V AC. It supports AC voltage up to 277/480V AC and DC voltage up to 125V DC. Terminal connection is screw clamp, and it is UL489 listed for DIN rail mounting.

Where to buy the SIEMENS 5SJ42327HG42 worldwide?

You can source the SIEMENS 5SJ42327HG42 miniature circuit breaker 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-branded 32 A, 2-pole MCB.

How to install the SIEMENS 5SJ42327HG42 on a DIN rail?

To install the SIEMENS 5SJ42327HG42, snap the unit onto a standard 35 mm DIN rail until the latch engages. Ensure the circuit is de-energized. Connect phase and load wires to the screw clamp terminals, tightening to the torque specified on the device label. Verify polarity for DC applications.

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 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 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
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 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 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
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

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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 DIN rail mounting. Rated 35A 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 35A 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
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
Siemens
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
Siemens
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