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 Miniature Circuit Breaker: 20 A Amps, 125V DC, 14kA at 240V AC - C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 20 A Amps, 125V DC, 14kA at 240V AC

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YA29) is a 20 A, C-Curve, 3-Pole UL489 DIN Rail-Mount device. It features a Max. AIR Rating of 14kA at 240V AC, a DC Voltage Rating of 125V DC, and a Screw Clamp…

SKU 3G-OTH-20494

Brand
Siemens
Item
Miniature Circuit Breaker: 20 A Amps, 125V DC, 14kA at 240V AC
Category
C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

Siemens
Manufacturer Part Number
5SJ43207HG41
Type
14kA at 240V AC, Screw Clamp
DC
125V
Max. AIR Rating
14kA at 240V AC
DC Voltage Rating
125V DC
Terminal Connection
Screw Clamp
View Full Spec Sheet

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 30YA29) is a 20 A, C-Curve, 3-Pole UL489 DIN Rail-Mount device. It features a Max. AIR Rating of 14kA at 240V AC, a DC Voltage Rating of 125V DC, and a Screw Clamp terminal connection (MPN 5SJ43207HG41).

Frequently Asked Questions

What is the SIEMENS 5SJ43207HG41 miniature circuit breaker used for?

The SIEMENS 5SJ43207HG41 is a 20 A, C-Curve, 3-Pole UL489 miniature circuit breaker designed for overcurrent protection in industrial control panels, machinery, and DC power systems. It mounts on a DIN rail and is suitable for applications requiring a 125V DC rating and 14kA interrupting capacity at 240V AC.

What are the specifications of the SIEMENS 5SJ43207HG41?

The SIEMENS 5SJ43207HG41 is a 20 A, C-Curve, 3-Pole UL489 miniature circuit breaker with a DC voltage rating of 125V DC, a maximum AIR rating of 14kA at 240V AC, and screw clamp terminals. It is a DIN rail-mount device from the SIEMENS IEC series.

Where to buy the SIEMENS 5SJ43207HG41 worldwide?

3G Electric supplies the SIEMENS 5SJ43207HG41 miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SIEMENS part.

How to install the SIEMENS 5SJ43207HG41 circuit breaker?

Install the SIEMENS 5SJ43207HG41 by snapping it onto a standard 35 mm DIN rail. Ensure the circuit is de-energized, then connect wires to the screw clamp terminals per the torque specifications in the manufacturer's datasheet. Always follow local electrical codes and use appropriate personal protective equipment.

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, 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 →

Similar products

Matched by specification & description
SIEMENS IEC Miniature Circuit Breaker: 15 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43187HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 15 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43187HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 13 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43137HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 13 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43137HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 30 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43307HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 30 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43307HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 25 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43257HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Series: 5SJ4; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 25 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43257HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Series: 5SJ4; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 35 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43357HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 35 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43357HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 32 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43327HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 32 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43327HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.

More from Siemens

View all Siemens parts →
SIEMENS Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14 kA, Screw Clamp, C, 240V AC (MPN 5SJ43057HG41). Key specifications — DC Voltage Rating: 60V DC; Max. AIR Rating: 14 kA; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 14 kA, Screw Clamp, C, 240V AC (MPN 5SJ43057HG41). Key specifications — DC Voltage Rating: 60V DC; Max. AIR Rating: 14 kA; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS Miniature Circuit Breaker: 60 A Amps, 60V DC, 10 kA, Screw Clamp, C, 240V AC (MPN 5SJ43607HG41). Key specifications — DC Voltage Rating: 60V DC; Max. AIR Rating: 10 kA; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS Miniature Circuit Breaker: 60 A Amps, 60V DC, 10 kA, Screw Clamp, C, 240V AC (MPN 5SJ43607HG41). Key specifications — DC Voltage Rating: 60V DC; Max. AIR Rating: 10 kA; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 50 A Amps, 125V DC, 10kA at 240V AC, Screw Clamp (MPN 5SJ43507HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 10kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 50 A Amps, 125V DC, 10kA at 240V AC, Screw Clamp (MPN 5SJ43507HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 10kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS Miniature Circuit Breaker: 20 A Amps, 60V DC, 10 kA, Screw Clamp, C (MPN 5SJ43207HG42). Key specifications — DC Voltage Rating: 60V DC; Max. AIR Rating: 10 kA; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS Miniature Circuit Breaker: 20 A Amps, 60V DC, 10 kA, Screw Clamp, C (MPN 5SJ43207HG42). Key specifications — DC Voltage Rating: 60V DC; Max. AIR Rating: 10 kA; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 1 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43017HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 1 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43017HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS Miniature Circuit Breaker: 0.3 A Amps, 60V DC, 10 kA, Screw Clamp, C (MPN 5SJ43147HG42). Key specifications — DC Voltage Rating: 60V DC; Max. AIR Rating: 10 kA; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS Miniature Circuit Breaker: 0.3 A Amps, 60V DC, 10 kA, Screw Clamp, C (MPN 5SJ43147HG42). Key specifications — DC Voltage Rating: 60V DC; Max. AIR Rating: 10 kA; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 3 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43037HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 3 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43037HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
SIEMENS IEC Miniature Circuit Breaker: 16 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43167HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.
Siemens
SIEMENS IEC Miniature Circuit Breaker: 16 A Amps, 125V DC, 14kA at 240V AC, Screw Clamp (MPN 5SJ43167HG41). Key specifications — DC Voltage Rating: 125V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; Brand: SIEMENS.