We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
Siemens 5SJ4 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 5SJ4 D-Curve 1-Pole UL489 Miniature Circuit Breaker

The SIEMENS Miniature Circuit Breaker (SKU 5SJ41148HG42, MPN 5SJ41148HG42) is a D-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 0.3 A Amps. It carries a Max. AIR Rating of 10 kA, with AC Voltage Rating of 277/480V…

SKU 3G-OTH-22104

Brand
Siemens
Item
5SJ4 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 — 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
5SJ41148HG42
Type
10 kA, Screw Clamp, 5SJ4, AC/DC
AC
277/480V
DC
60V
Max. AIR Rating
10 kA
AC Voltage Rating
277/480V 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 Miniature Circuit Breaker (SKU 5SJ41148HG42, MPN 5SJ41148HG42) is a D-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 0.3 A Amps. It carries a Max. AIR Rating of 10 kA, with AC Voltage Rating of 277/480V AC and DC Voltage Rating of 60V DC. The terminal connection is a Screw Clamp.

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 5SJ4118HG42 miniature circuit breaker used for?

The SIEMENS 5SJ4118HG42 is a D-Curve, 1-Pole UL489 DIN Rail-Mount miniature circuit breaker rated at 0.3 A. It protects branch circuits in industrial control panels, HVAC equipment, and DC power systems where high inrush currents occur, such as motor or transformer loads.

What are the specifications of the SIEMENS 5SJ4118HG42?

The SIEMENS 5SJ4118HG42 (MPN 5SJ41148HG42) is a 0.3 A, 1-Pole D-Curve miniature circuit breaker. It has a Max. AIR Rating of 10 kA, AC Voltage Rating of 277/480V AC, DC Voltage Rating of 60V DC, and a Screw Clamp terminal connection. It is UL489 listed for DIN Rail mounting.

Where to buy the SIEMENS 5SJ4118HG42 worldwide?

3G Electric supplies the SIEMENS 5SJ4118HG42 miniature circuit breaker worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Siemens breaker to any country.

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

Install the SIEMENS 5SJ4 breaker by snapping it onto a standard 35 mm DIN rail. Ensure the circuit is de-energized. Connect wires to the Screw Clamp terminals per the torque rating on the label. For D-Curve breakers, verify the load's inrush current does not exceed the magnetic trip threshold.

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
This 1-pole miniature circuit breaker features a D-curve trip characteristic for applications with high inrush currents, such as motor and transformer circuits. Rated 10A, it provides overcurrent protection in AC systems up to 277V (10kA interrupting capacity) and DC systems up to 60V. The screw-clamp terminals facilitate secure wiring in DIN rail-mounted panels
Siemens
This 1-pole miniature circuit breaker features a D-curve trip characteristic for applications with high inrush currents, such as motor and transformer circuits. Rated 10A, it provides overcurrent protection in AC systems up to 277V (10kA interrupting capacity) and DC systems up to 60V. The screw-clamp terminals facilitate secure wiring in DIN rail-mounted panels
Siemens 5SJ4 series miniature circuit breaker, 1-pole, D-curve, rated 15A, 277V AC and 60V DC. UL489 listed for branch circuit protection. Maximum interrupting rating 10kA at 277V AC. Screw clamp terminals for secure wiring. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems
Siemens
Siemens 5SJ4 series miniature circuit breaker, 1-pole, D-curve, rated 15A, 277V AC and 60V DC. UL489 listed for branch circuit protection. Maximum interrupting rating 10kA at 277V AC. Screw clamp terminals for secure wiring. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems
This 1-pole miniature circuit breaker from the Siemens 5SJ4 series features a D tripping curve and is UL489 listed for DIN rail mounting. Rated at 1.6 A with a maximum interrupting rating of 10 kA at 277 V AC, it also supports DC applications up to 60 V. The screw clamp terminals facilitate secure wiring in industrial control panels and equipment branch circuits
Siemens
This 1-pole miniature circuit breaker from the Siemens 5SJ4 series features a D tripping curve and is UL489 listed for DIN rail mounting. Rated at 1.6 A with a maximum interrupting rating of 10 kA at 277 V AC, it also supports DC applications up to 60 V. The screw clamp terminals facilitate secure wiring in industrial control panels and equipment branch circuits
This 1-pole D-curve miniature circuit breaker is rated 13 A and complies with UL489. It provides overcurrent protection for AC circuits up to 277V (10kA interrupting capacity) and DC circuits up to 60V. The screw-clamp terminals facilitate secure wiring in DIN rail-mounted industrial control panels and equipment
Siemens
This 1-pole D-curve miniature circuit breaker is rated 13 A and complies with UL489. It provides overcurrent protection for AC circuits up to 277V (10kA interrupting capacity) and DC circuits up to 60V. The screw-clamp terminals facilitate secure wiring in DIN rail-mounted industrial control panels and equipment
This Siemens 5SJ4 series miniature circuit breaker is a 1-pole, D-curve unit rated 5A for 277V AC or 60V DC. It has a maximum interrupting rating of 10kA at 277V AC and features screw-clamp terminals. Designed for DIN rail mounting, it is UL489 listed and suitable for branch circuit protection in industrial control panels, HVAC equipment, and machinery
Siemens
This Siemens 5SJ4 series miniature circuit breaker is a 1-pole, D-curve unit rated 5A for 277V AC or 60V DC. It has a maximum interrupting rating of 10kA at 277V AC and features screw-clamp terminals. Designed for DIN rail mounting, it is UL489 listed and suitable for branch circuit protection in industrial control panels, HVAC equipment, and machinery
This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection. Rated 20A, 277V AC (10kA interrupting capacity) and 60V DC, with screw-clamp terminals. UL489 listed for DIN-rail mounting in industrial control panels, HVAC equipment, and lighting circuits
Siemens
This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection. Rated 20A, 277V AC (10kA interrupting capacity) and 60V DC, with screw-clamp terminals. UL489 listed for DIN-rail mounting in industrial control panels, HVAC equipment, and lighting circuits

More from Siemens

View all Siemens parts →
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
Siemens 5SJ4 series D-Curve miniature circuit breaker, 1-pole, 16A rated current. UL489 listed for branch circuit protection. AC rating: 240V, 14kA interrupting capacity. DC rating: 60V. Screw clamp terminals for secure wiring. Suitable for industrial control panels, motor circuits, and equipment requiring high inrush current protection
Siemens
Siemens 5SJ4 series D-Curve miniature circuit breaker, 1-pole, 16A rated current. UL489 listed for branch circuit protection. AC rating: 240V, 14kA interrupting capacity. DC rating: 60V. Screw clamp terminals for secure wiring. Suitable for industrial control panels, motor circuits, and equipment requiring high inrush current protection
This Siemens 5SJ4 series miniature circuit breaker is a 1-pole, D-curve unit rated at 0.5 A with a maximum interrupting rating of 14 kA at 240 V AC. It is UL489 listed for DIN rail mounting and features screw clamp terminals for secure wiring connections. Suitable for overcurrent protection in AC and DC circuits up to 240 V AC or 60 V DC, commonly used in industrial control panels and equipment branch circuits
Siemens
This Siemens 5SJ4 series miniature circuit breaker is a 1-pole, D-curve unit rated at 0.5 A with a maximum interrupting rating of 14 kA at 240 V AC. It is UL489 listed for DIN rail mounting and features screw clamp terminals for secure wiring connections. Suitable for overcurrent protection in AC and DC circuits up to 240 V AC or 60 V DC, commonly used in industrial control panels and equipment branch circuits