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

3G Electric
Siemens 5SJ43038HG42 D-Curve 3-Pole UL489 Miniature Circuit Breaker - D-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensD-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens 5SJ43038HG42 D-Curve 3-Pole UL489 Miniature Circuit Breaker

The SIEMENS IEC Miniature Circuit Breaker (MPN 5SJ43038HG42) is a 3 A, 3-pole, D-curve, UL489 DIN rail-mount unit. It features a 10kA AIR rating at 277/480V AC and a 125V DC voltage rating, with screw clamp terminals.

SKU 3G-OTH-20942

Brand
Siemens
Item
5SJ43038HG42 D-Curve 3-Pole UL489 Miniature Circuit Breaker
Part Number
5SJ43038HG42
Category
D-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
Available to Order
Also known as:5SJ43038HG42Siemens
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
5SJ43038HG42
Type
10kA at 277/480V AC, Screw Clamp, D
DC
125V
Max. AIR Rating
10kA at 277/480V AC
DC Voltage Rating
125V 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 (MPN 5SJ43038HG42) is a 3 A, 3-pole, D-curve, UL489 DIN rail-mount unit. It features a 10kA AIR rating at 277/480V AC and a 125V DC voltage rating, 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 5SJ43038HG42 miniature circuit breaker used for?

The SIEMENS 5SJ43038HG42 is a 3 A, 3-pole, D-curve miniature circuit breaker used for overcurrent protection in industrial control panels, motor circuits, and DC applications up to 125V DC. Its D-curve trip characteristic handles high inrush loads like motors and transformers.

What are the specifications of the SIEMENS 5SJ43038HG42?

This SIEMENS IEC miniature circuit breaker is rated 3 A, 3-pole, D-curve, with a max AIR 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 5SJ43038HG42 worldwide?

3G Electric supplies the SIEMENS 5SJ43038HG42 miniature circuit breaker worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this D-curve, 3-pole UL489 unit.

How to select the right D-curve miniature circuit breaker for motor protection?

For motor protection, select a D-curve breaker like the SIEMENS 5SJ43038HG42 because it tolerates high inrush currents without nuisance tripping. Match the amp rating to the motor full-load current and verify the interrupting rating (10kA at 277/480V AC) exceeds available fault current.

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
Not sure this is the right part? Photo-identify it

Siemens Products

3G Electric supplies Siemens d-curve, 3-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

More from Siemens

View all Siemens parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first