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 5SJ41108HG40 D-Curve 1-Pole UL489 Miniature Circuit Breaker - D-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensD-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens 5SJ41108HG40 D-Curve 1-Pole UL489 Miniature Circuit Breaker

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ41108HG40, MPN 5SJ41108HG40) is a 10 A, 1-pole D-curve UL489 DIN rail-mount unit. It is rated for 240V AC (14kA AIR) and 60V DC, with screw-clamp terminals.

SKU 3G-OTH-22226

Brand
Siemens
Item
5SJ41108HG40 D-Curve 1-Pole UL489 Miniature Circuit Breaker
Category
D-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
5SJ41108HG40
Type
14kA at 240V AC, Screw Clamp, 5SJ4, AC/DC
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 5SJ41108HG40, MPN 5SJ41108HG40) is a 10 A, 1-pole D-curve UL489 DIN rail-mount unit. It is rated for 240V AC (14kA AIR) and 60V DC, with screw-clamp terminals.

Frequently Asked Questions

What is the SIEMENS 5SJ41108HG40 miniature circuit breaker used for?

The SIEMENS 5SJ41108HG40 is a 10 A, 1-pole D-curve UL489 miniature circuit breaker used for overcurrent protection in industrial control panels, HVAC equipment, and machinery. It handles 240V AC (14kA AIR) and 60V DC applications, with screw-clamp terminals for secure wiring.

What are the specifications of the SIEMENS 5SJ41108HG40?

The SIEMENS 5SJ41108HG40 is a 10 A, 1-pole D-curve UL489 DIN rail-mount miniature circuit breaker. It is rated for 240V AC with a 14kA interrupting rating and 60V DC. Terminal connection is screw clamp, and it is part of the 5SJ4 series for AC/DC use.

Where to buy the SIEMENS 5SJ41108HG40 worldwide?

3G Electric supplies the SIEMENS 5SJ41108HG40 miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 10 A, 1-pole D-curve unit.

How to install the SIEMENS 5SJ41108HG40 on a DIN rail?

To install the SIEMENS 5SJ41108HG40, snap it onto a standard 35 mm DIN rail until it locks. Ensure the circuit is de-energized. Connect wires to the screw-clamp terminals, tightening to the torque specified on the breaker 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 d-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
Single-pole D-curve miniature circuit breaker rated 15 A, 240 V AC (14 kA interrupting rating) and 60 V DC. UL489 listed for DIN-rail mounting with screw-clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems
Siemens
Single-pole D-curve miniature circuit breaker rated 15 A, 240 V AC (14 kA interrupting rating) and 60 V DC. UL489 listed for DIN-rail mounting with screw-clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems
This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in circuits with high inrush currents. Rated 13A, 240V AC (14kA AIR) and 60V DC, it uses screw-clamp terminals and is UL489 listed for DIN rail mounting. Suitable for industrial control panels, HVAC equipment, and DC circuits
Siemens
This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in circuits with high inrush currents. Rated 13A, 240V AC (14kA AIR) and 60V DC, it uses screw-clamp terminals and is UL489 listed for DIN rail mounting. Suitable for industrial control panels, HVAC equipment, and DC circuits
This 5 A, 1-pole D-Curve miniature circuit breaker is UL489 listed for DIN rail mounting. Rated 240V AC (14kA AIR) and 60V DC, it uses a screw clamp terminal connection. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and branch circuits with high inrush currents
Siemens
This 5 A, 1-pole D-Curve miniature circuit breaker is UL489 listed for DIN rail mounting. Rated 240V AC (14kA AIR) and 60V DC, it uses a screw clamp terminal connection. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and branch circuits with high inrush currents
D-Curve miniature circuit breaker for branch circuit protection in industrial control panels and equipment. Rated 1.6 A, 240V AC and 60V DC, with a maximum interrupting rating of 14kA at 240V AC. UL489 listed for DIN rail mounting. Screw clamp terminals
Siemens
D-Curve miniature circuit breaker for branch circuit protection in industrial control panels and equipment. Rated 1.6 A, 240V AC and 60V DC, with a maximum interrupting rating of 14kA at 240V AC. UL489 listed for DIN rail mounting. Screw clamp terminals
This 3A, 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in applications with high inrush currents, such as motor and transformer circuits. It is UL489 listed for branch circuit protection, rated 240V AC with a 14kA interrupting capacity and 60V DC. The unit mounts on a DIN rail and uses screw-clamp terminals for secure wiring connections
Siemens
This 3A, 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in applications with high inrush currents, such as motor and transformer circuits. It is UL489 listed for branch circuit protection, rated 240V AC with a 14kA interrupting capacity and 60V DC. The unit mounts on a DIN rail and uses screw-clamp terminals for secure wiring connections
30 A, 1-pole D-curve miniature circuit breaker with UL489 listing for DIN rail mounting. Rated 240 V AC with 10 kA interrupting capacity and 60 V DC. Screw-clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery
Siemens
30 A, 1-pole D-curve miniature circuit breaker with UL489 listing for DIN rail mounting. Rated 240 V AC with 10 kA interrupting capacity and 60 V DC. Screw-clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery

More from Siemens

View all Siemens parts →
This 30 A, 1-pole D-curve miniature circuit breaker from the Siemens 5SJ4 series is UL489 listed for DIN rail mounting. It provides overcurrent protection for branch circuits rated up to 277V AC or 60V DC, with a maximum interrupting rating of 10kA at 277V AC. Terminal connection is via screw clamp. Typical applications include industrial control panels, HVAC equipment, and machinery
Siemens
This 30 A, 1-pole D-curve miniature circuit breaker from the Siemens 5SJ4 series is UL489 listed for DIN rail mounting. It provides overcurrent protection for branch circuits rated up to 277V AC or 60V DC, with a maximum interrupting rating of 10kA at 277V AC. Terminal connection is via screw clamp. Typical applications include industrial control panels, HVAC equipment, and machinery
This 1-pole D-curve miniature circuit breaker from the Siemens 5SJ4 series is rated 63A at 240V AC (10kA AIR) and 60V DC. It features screw-clamp terminals for secure wiring and is UL489 listed for DIN rail mounting. Suitable for overcurrent protection in industrial control panels, machinery, and power distribution systems
Siemens
This 1-pole D-curve miniature circuit breaker from the Siemens 5SJ4 series is rated 63A at 240V AC (10kA AIR) and 60V DC. It features screw-clamp terminals for secure wiring and is UL489 listed for DIN rail mounting. Suitable for overcurrent protection in industrial control panels, machinery, and power distribution systems
This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in circuits with high inrush currents. Rated 25A, it is UL489 listed for DIN rail mounting and accepts 277V AC (10kA interrupting rating) or 60V DC. Screw-clamp terminals facilitate secure wiring in industrial control panels, HVAC equipment, and machinery branch circuits
Siemens
This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in circuits with high inrush currents. Rated 25A, it is UL489 listed for DIN rail mounting and accepts 277V AC (10kA interrupting rating) or 60V DC. Screw-clamp terminals facilitate secure wiring in industrial control panels, HVAC equipment, and machinery branch circuits
SIEMENS IEC Miniature Circuit Breaker: 32 A Amps, 60V DC, 10kA at 240V AC, Screw Clamp, 5SJ4, AC/DC (MPN 5SJ41328HG40)
Siemens
SIEMENS IEC Miniature Circuit Breaker: 32 A Amps, 60V DC, 10kA at 240V AC, Screw Clamp, 5SJ4, AC/DC (MPN 5SJ41328HG40)
This 1-pole miniature circuit breaker features a D-curve trip characteristic for high inrush applications. Rated 60 A, 240V AC with 10kA interrupting capacity and 60V DC, it uses screw-clamp terminals. UL489 listed for branch circuit protection in industrial and commercial panels, it mounts on standard DIN rail
Siemens
This 1-pole miniature circuit breaker features a D-curve trip characteristic for high inrush applications. Rated 60 A, 240V AC with 10kA interrupting capacity and 60V DC, it uses screw-clamp terminals. UL489 listed for branch circuit protection in industrial and commercial panels, it mounts on standard DIN rail
This 1-pole D-curve miniature circuit breaker is UL489 listed for DIN rail mounting. Rated 6A with 14kA interrupting capacity at 240V AC and 60V DC, it uses screw-clamp terminals. Typical applications include branch circuit protection in industrial control panels, HVAC equipment, and machinery where high inrush currents occur
Siemens
This 1-pole D-curve miniature circuit breaker is UL489 listed for DIN rail mounting. Rated 6A with 14kA interrupting capacity at 240V AC and 60V DC, it uses screw-clamp terminals. Typical applications include branch circuit protection in industrial control panels, HVAC equipment, and machinery where high inrush currents occur
This 1-pole miniature circuit breaker features a D-curve trip characteristic for high inrush loads. Rated 0.5 A, it is UL489 listed for branch circuit protection in industrial control panels, HVAC equipment, and lighting systems. Suitable for both AC (277V) and DC (60V) applications with a 10kA interrupting rating at 277V AC. Terminals are screw clamp type for secure wiring
Siemens
This 1-pole miniature circuit breaker features a D-curve trip characteristic for high inrush loads. Rated 0.5 A, it is UL489 listed for branch circuit protection in industrial control panels, HVAC equipment, and lighting systems. Suitable for both AC (277V) and DC (60V) applications with a 10kA interrupting rating at 277V AC. Terminals are screw clamp type for secure wiring
1-pole D-curve miniature circuit breaker rated 1A, 240V AC and 60V DC with a maximum interrupting rating of 14kA at 240V AC. Features screw clamp terminals and DIN rail mounting. Suitable for branch circuit protection in industrial control panels and equipment, particularly for circuits with high inrush currents such as motors and transformers
Siemens
1-pole D-curve miniature circuit breaker rated 1A, 240V AC and 60V DC with a maximum interrupting rating of 14kA at 240V AC. Features screw clamp terminals and DIN rail mounting. Suitable for branch circuit protection in industrial control panels and equipment, particularly for circuits with high inrush currents such as motors and transformers