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Siemens Miniature Circuit Breaker: 25 A Amps, 60V DC, 14 kA, Screw Clamp, 5SJ4 - C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 25 A Amps, 60V DC, 14 kA, Screw Clamp, 5SJ4

The SIEMENS Miniature Circuit Breaker (SKU 30YD43, MPN 5SJ41257HG41) is a C-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 25 A. It supports 240V AC and 60V DC with a maximum AIR rating of 14 kA, and features a…

SKU 3G-OTH-22915

Brand
Siemens
Item
Miniature Circuit Breaker: 25 A Amps, 60V DC, 14 kA, Screw Clamp, 5SJ4
Category
C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ41257HG41
Type
14 kA, Screw Clamp, 5SJ4, AC/DC
AC
240V
DC
60V
Max. AIR Rating
14 kA
AC Voltage Rating
240V AC
DC Voltage Rating
60V DC
Terminal Connection
Screw Clamp
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Miniature Circuit Breaker (SKU 30YD43, MPN 5SJ41257HG41) is a C-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 25 A. It supports 240V AC and 60V DC with a maximum AIR rating of 14 kA, and features a screw clamp terminal connection.

Frequently Asked Questions

What is the SIEMENS 5SJ41257HG41 miniature circuit breaker used for?

The SIEMENS 5SJ41257HG41 is a C-Curve, 1-Pole UL489 DIN Rail-Mount miniature circuit breaker rated at 25 A. It protects branch circuits in industrial control panels, HVAC equipment, and distribution boards against overloads and short circuits in both 240V AC and 60V DC systems.

What are the specifications of the SIEMENS 5SJ41257HG41 circuit breaker?

The SIEMENS 5SJ41257HG41 is a 25 A, C-Curve, 1-Pole UL489 miniature circuit breaker. It supports 240V AC and 60V DC with a maximum AIR rating of 14 kA. Terminal connection is screw clamp, and it is part of the 5SJ4 series. The MPN is 5SJ41257HG41.

Where to buy the SIEMENS 5SJ41257HG41 circuit breaker worldwide?

You can source the SIEMENS 5SJ41257HG41 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 Siemens-branded unit.

How to install the SIEMENS 5SJ41257HG41 miniature circuit breaker?

Install the SIEMENS 5SJ41257HG41 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect wires using the screw clamp terminals, tightening to the manufacturer's recommended torque. Verify the C-Curve trip characteristic matches your load type before energizing.

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, 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.

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