Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Siemens 5SJ41027HG40 C-Curve 1-Pole UL489 DIN Rail-Mount - C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens 5SJ41027HG40 C-Curve 1-Pole UL489 DIN Rail-Mount

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ41027HG40, MPN 5SJ41027HG40) is a 2 A, C-Curve, 1-Pole UL489 DIN Rail-Mount unit. It is rated for 240V AC and 60V DC, with a maximum AIR rating of 14kA at 240V AC…

SKU 3G-OTH-22429

Brand
Siemens
Item
5SJ41027HG40 C-Curve 1-Pole UL489 DIN Rail-Mount
Category
C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
5SJ41027HG40
Type
14kA at 240V AC, Screw Clamp, 5SJ4
AC
240V
DC
60V
Max. AIR Rating
14kA at 240V AC
AC Voltage Rating
240V AC
DC Voltage Rating
60V DC
Terminal Connection
Screw Clamp

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ41027HG40, MPN 5SJ41027HG40) is a 2 A, C-Curve, 1-Pole UL489 DIN Rail-Mount unit. It is rated for 240V AC and 60V DC, with a maximum AIR rating of 14kA at 240V AC, and features a Screw Clamp terminal connection.

Frequently Asked Questions

What is the SIEMENS 5SJ41027HG40 miniature circuit breaker used for?

The SIEMENS 5SJ41027HG40 is a 2 A, C-Curve, 1-Pole UL489 miniature circuit breaker designed to protect branch circuits in industrial control panels, HVAC equipment, and lighting systems. It provides overcurrent and short-circuit protection for 240V AC or 60V DC applications, with a 14kA interrupting rating at 240V AC.

What are the specifications of the SIEMENS 5SJ41027HG40?

The SIEMENS 5SJ41027HG40 is a 2 A, C-Curve, 1-Pole UL489 DIN Rail-Mount miniature circuit breaker. It is rated for 240V AC and 60V DC, with a maximum AIR rating of 14kA at 240V AC. Terminal connection is Screw Clamp. The MPN is 5SJ41027HG40, and the SKU is 3G-OTH-22429.

Where to buy the SIEMENS 5SJ41027HG40 worldwide?

3G Electric supplies the SIEMENS 5SJ41027HG40 miniature circuit breaker worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Siemens-branded breaker.

How to install the SIEMENS 5SJ41027HG40 miniature circuit breaker?

Install the SIEMENS 5SJ41027HG40 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect wires to the Screw Clamp terminals, tightening to the torque specified by Siemens. Verify the C-Curve trip characteristic matches your load. Always follow local electrical codes and the manufacturer's instructions.

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, 1-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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
This miniature circuit breaker is a 1-pole, C-curve device rated at 4A with a maximum interrupting rating of 14kA at 240V AC. It is UL489 listed for DIN rail mounting and features screw clamp terminals. Suitable for branch circuit protection in industrial control panels and equipment against overloads and short circuits
Siemens
This miniature circuit breaker is a 1-pole, C-curve device rated at 4A with a maximum interrupting rating of 14kA at 240V AC. It is UL489 listed for DIN rail mounting and features screw clamp terminals. Suitable for branch circuit protection in industrial control panels and equipment against overloads and short circuits
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for branch circuit protection. Rated 20A, 240V AC and 60V DC with a maximum interrupting rating of 14kA at 240V AC. The screw clamp terminals facilitate secure wiring connections. Suitable for use in industrial control panels and equipment where DIN rail mounting is required
Siemens
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for branch circuit protection. Rated 20A, 240V AC and 60V DC with a maximum interrupting rating of 14kA at 240V AC. The screw clamp terminals facilitate secure wiring connections. Suitable for use in industrial control panels and equipment where DIN rail mounting is required
This Siemens miniature circuit breaker is a C-Curve, 1-pole unit rated at 30 A with a maximum interrupting rating of 14kA at 240V AC. It is UL489 listed for DIN rail mounting and features screw clamp terminals. Suitable for branch circuit protection in industrial control panels, HVAC equipment, and lighting systems, it handles both AC (240V) and DC (60V) applications
Siemens
This Siemens miniature circuit breaker is a C-Curve, 1-pole unit rated at 30 A with a maximum interrupting rating of 14kA at 240V AC. It is UL489 listed for DIN rail mounting and features screw clamp terminals. Suitable for branch circuit protection in industrial control panels, HVAC equipment, and lighting systems, it handles both AC (240V) and DC (60V) applications
This Siemens miniature circuit breaker is a 5A, C-Curve, 1-pole unit with UL489 listing for DIN rail mounting. It provides overcurrent protection for branch circuits in industrial control panels, HVAC equipment, and lighting systems. Rated for 240V AC and 60V DC with a maximum interrupting rating of 14kA at 240V AC, it features screw clamp terminals for secure wiring connections
Siemens
This Siemens miniature circuit breaker is a 5A, C-Curve, 1-pole unit with UL489 listing for DIN rail mounting. It provides overcurrent protection for branch circuits in industrial control panels, HVAC equipment, and lighting systems. Rated for 240V AC and 60V DC with a maximum interrupting rating of 14kA at 240V AC, it features screw clamp terminals for secure wiring connections
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 1.6A at 240V AC (14kA interrupting capacity) and 60V DC, it uses screw clamp terminals. Suitable for overcurrent protection in branch circuits, control panels, and equipment requiring AC or DC power distribution
Siemens
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 1.6A at 240V AC (14kA interrupting capacity) and 60V DC, it uses screw clamp terminals. Suitable for overcurrent protection in branch circuits, control panels, and equipment requiring AC or DC power distribution
This Siemens miniature circuit breaker is a C-Curve, 1-pole unit rated at 8 A for overcurrent and short-circuit protection. It is UL489 listed for DIN rail mounting and features a screw clamp terminal connection. Suitable for branch circuit protection in industrial control panels, lighting, and motor loads, it supports 240V AC and 60V DC applications with a maximum interrupting rating of 14kA at 240V AC
Siemens
This Siemens miniature circuit breaker is a C-Curve, 1-pole unit rated at 8 A for overcurrent and short-circuit protection. It is UL489 listed for DIN rail mounting and features a screw clamp terminal connection. Suitable for branch circuit protection in industrial control panels, lighting, and motor loads, it supports 240V AC and 60V DC applications with a maximum interrupting rating of 14kA at 240V AC

More from Siemens

View all Siemens parts →
This 1-pole miniature circuit breaker from the Siemens 5SJ4 series is rated 35 A with a C-Curve trip characteristic. It is UL489 listed for branch circuit protection, suitable for moderate inrush loads in industrial control panels, HVAC equipment, and machinery. Rated 240V AC and 60V DC with a maximum interrupting rating of 14kA at 240V AC, it features screw clamp terminals for secure wiring and mounts on standard DIN rail
Siemens
This 1-pole miniature circuit breaker from the Siemens 5SJ4 series is rated 35 A with a C-Curve trip characteristic. It is UL489 listed for branch circuit protection, suitable for moderate inrush loads in industrial control panels, HVAC equipment, and machinery. Rated 240V AC and 60V DC with a maximum interrupting rating of 14kA at 240V AC, it features screw clamp terminals for secure wiring and mounts on standard DIN rail
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is rated for 3 A at 240 V AC or 60 V DC. It has a maximum interrupting rating of 14 kA at 240 V AC and uses screw clamp terminals. Suitable for branch circuit protection in industrial control panels, HVAC equipment, and machinery. UL489 listed for DIN rail mounting
Siemens
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is rated for 3 A at 240 V AC or 60 V DC. It has a maximum interrupting rating of 14 kA at 240 V AC and uses screw clamp terminals. Suitable for branch circuit protection in industrial control panels, HVAC equipment, and machinery. UL489 listed for DIN rail mounting
1-pole miniature circuit breaker with C-curve trip characteristic, rated 1 A at 277V AC and 60V DC. Maximum interrupting rating of 10kA at 277V AC. UL489 listed for DIN rail mounting. Screw clamp terminals. Suitable for branch circuit protection in industrial control panels, lighting, and motor control applications
Siemens
1-pole miniature circuit breaker with C-curve trip characteristic, rated 1 A at 277V AC and 60V DC. Maximum interrupting rating of 10kA at 277V AC. UL489 listed for DIN rail mounting. Screw clamp terminals. Suitable for branch circuit protection in industrial control panels, lighting, and motor control applications
C-curve, 1-pole UL489 miniature circuit breaker from the Siemens 5SJ4 series. Rated 0.5 A, 240V AC with 14kA interrupting capacity, and 60V DC. Features screw-clamp terminals for secure wiring. Suitable for branch circuit protection in industrial control panels, HVAC equipment, and lighting systems
Siemens
C-curve, 1-pole UL489 miniature circuit breaker from the Siemens 5SJ4 series. Rated 0.5 A, 240V AC with 14kA interrupting capacity, and 60V DC. Features screw-clamp terminals for secure wiring. Suitable for branch circuit protection in industrial control panels, HVAC equipment, and lighting systems
This 1-pole miniature circuit breaker features a C-curve trip characteristic for moderate inrush currents. Rated 16A, it is suitable for branch circuit protection in industrial control panels, HVAC equipment, and machinery. It supports 240V AC and 60V DC with a maximum interrupting rating of 14kA. The screw clamp terminals facilitate secure wiring in DIN rail-mounted enclosures
Siemens
This 1-pole miniature circuit breaker features a C-curve trip characteristic for moderate inrush currents. Rated 16A, it is suitable for branch circuit protection in industrial control panels, HVAC equipment, and machinery. It supports 240V AC and 60V DC with a maximum interrupting rating of 14kA. The screw clamp terminals facilitate secure wiring in DIN rail-mounted enclosures
This Siemens miniature circuit breaker is a 1-pole, C-curve unit rated 13A with a maximum interrupting rating of 10kA at 277V AC. It is UL489 listed for DIN rail mounting and features screw clamp terminals. Suitable for overcurrent and short-circuit protection in branch circuits, lighting, and motor loads, it also provides DC protection up to 60V DC
Siemens
This Siemens miniature circuit breaker is a 1-pole, C-curve unit rated 13A with a maximum interrupting rating of 10kA at 277V AC. It is UL489 listed for DIN rail mounting and features screw clamp terminals. Suitable for overcurrent and short-circuit protection in branch circuits, lighting, and motor loads, it also provides DC protection up to 60V DC
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 50A, 240V AC (10kA AIR) and 60V DC, with screw-clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery
Siemens
This 1-pole miniature circuit breaker features a C-Curve trip characteristic and is UL489 listed for DIN rail mounting. Rated 50A, 240V AC (10kA AIR) and 60V DC, with screw-clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery
Siemens 5SJ4 series miniature circuit breaker, 1-pole, C-curve, rated 16 A. UL489 listed for DIN rail mounting. Provides overcurrent protection for branch circuits in industrial control panels, HVAC equipment, and machinery. Rated 240 V AC (14 kA interrupting capacity) and 60 V DC. Screw clamp terminals
Siemens
Siemens 5SJ4 series miniature circuit breaker, 1-pole, C-curve, rated 16 A. UL489 listed for DIN rail mounting. Provides overcurrent protection for branch circuits in industrial control panels, HVAC equipment, and machinery. Rated 240 V AC (14 kA interrupting capacity) and 60 V DC. Screw clamp terminals