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Siemens Miniature Circuit Breaker: 25 A Amps, 60V DC, 14kA at 240V AC, Screw Clamp - B-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensB-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 25 A Amps, 60V DC, 14kA at 240V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30XZ80, MPN 5SJ41256HG40) is a 25 A, B-Curve, 1-Pole UL489 DIN Rail-Mount unit. It is rated for 240V AC and 60V DC, with a maximum AIR rating of 14kA at 240V AC, and…

SKU 3G-OTH-21856

Brand
Siemens
Item
Miniature Circuit Breaker: 25 A Amps, 60V DC, 14kA at 240V AC, Screw Clamp
Category
B-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ41256HG40
Type
14kA at 240V AC, Screw Clamp, 5SJ4, AC/DC
DC
60V
Max. AIR Rating
14kA at 240V AC
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 IEC Miniature Circuit Breaker (SKU 30XZ80, MPN 5SJ41256HG40) is a 25 A, B-Curve, 1-Pole UL489 DIN Rail-Mount unit. It is rated for 240V AC and 60V DC, with a maximum AIR rating of 14kA at 240V AC, and features a Screw Clamp terminal connection.

Frequently Asked Questions

What is the SIEMENS 5SJ41256HG40 miniature circuit breaker used for?

The SIEMENS 5SJ41256HG40 is a 25 A, B-Curve, 1-Pole UL489 miniature circuit breaker used for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems. It protects branch circuits rated up to 240V AC or 60V DC, with a 14kA interrupting rating at 240V AC.

What are the specifications of the SIEMENS 5SJ41256HG40?

The SIEMENS 5SJ41256HG40 is a 25 A, B-Curve, 1-Pole UL489 DIN Rail-Mount miniature circuit breaker. It is rated for 240V AC and 60V DC, with a maximum AIR rating of 14kA at 240V AC. Terminal connection is Screw Clamp. It is part of the 5SJ4 series and accepts AC/DC supply.

Where to buy the SIEMENS 5SJ41256HG40 worldwide?

You can source the SIEMENS 5SJ41256HG40 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; we supply genuine Siemens components to industrial buyers globally.

How to install the SIEMENS 5SJ41256HG40 miniature circuit breaker?

Install the SIEMENS 5SJ41256HG40 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect wires to the Screw Clamp terminals, tightening to the torque specified by Siemens. For DC applications, observe polarity if required. Always follow local electrical codes and the manufacturer's instructions.

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 b-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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