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Siemens Miniature Circuit Breaker: 25 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: 25 A Amps, 125V DC, 14kA at 240V AC

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YA30) is a 25 A, C-Curve, 3-Pole UL489 DIN rail-mount device from the 5SJ4 series. It features a maximum AIR rating of 14kA at 240V AC, a DC voltage rating of 125V DC…

SKU 3G-OTH-20347

Brand
Siemens
Item
Miniature Circuit Breaker: 25 A Amps, 125V DC, 14kA at 240V AC
Category
C-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ43257HG41
Series
5SJ4
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
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YA30) is a 25 A, C-Curve, 3-Pole UL489 DIN rail-mount device from the 5SJ4 series. It features a maximum AIR rating of 14kA at 240V AC, a DC voltage rating of 125V DC, and screw clamp terminal connections (MPN 5SJ43257HG41).

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 5SJ4 miniature circuit breaker used for?

The SIEMENS 5SJ4 miniature circuit breaker is used for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems. Its 25 A rating and C-Curve trip characteristic make it suitable for moderate inrush loads like motors and transformers, while the 125V DC rating supports solar and battery applications.

What are the specifications of the SIEMENS 5SJ43257HG41?

The SIEMENS 5SJ43257HG41 is a 25 A, 3-pole, C-Curve miniature circuit breaker with a UL489 DIN rail-mount design. It has a maximum AIR rating of 14kA at 240V AC, a DC voltage rating of 125V DC, and screw clamp terminal connections. It is part of the 5SJ4 series from SIEMENS.

Where to buy the SIEMENS 5SJ4 miniature circuit breaker worldwide?

You can source the SIEMENS 5SJ4 miniature circuit breaker through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this 5SJ43257HG41 model.

How to install a SIEMENS 5SJ4 miniature circuit breaker?

To install the SIEMENS 5SJ4 miniature circuit breaker, snap it onto a standard DIN rail until it locks. Connect wires to the screw clamp terminals using the torque specified on the device label. Ensure the circuit is de-energized before installation and follow local electrical codes for proper sizing and protection.

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.

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