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Siemens Miniature Circuit Breaker: 25 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp - D-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensD-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 25 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YD48) is a 25 A, 1-pole D-curve UL489 DIN rail-mount unit. It is rated for 277V AC (10kA AIR) and 60V DC, with screw-clamp terminals (MPN 5SJ41258HG42).

SKU 3G-OTH-22099

Brand
Siemens
Item
Miniature Circuit Breaker: 25 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp
Category
D-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ41258HG42
Type
10kA at 277V AC, Screw Clamp, 5SJ4, AC/DC
DC
60V
Max. AIR Rating
10kA at 277V AC
AC Voltage Rating
277V 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 30YD48) is a 25 A, 1-pole D-curve UL489 DIN rail-mount unit. It is rated for 277V AC (10kA AIR) and 60V DC, with screw-clamp terminals (MPN 5SJ41258HG42).

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 5SJ41258HG42 miniature circuit breaker used for?

The SIEMENS 5SJ41258HG42 is a 25 A, 1-pole D-curve UL489 miniature circuit breaker used for overcurrent protection in industrial control panels, HVAC equipment, and machinery. It protects branch circuits rated up to 277V AC or 60V DC, with a 10kA interrupting rating at 277V AC.

What are the specifications of the SIEMENS 5SJ41258HG42?

This SIEMENS IEC miniature circuit breaker is rated 25 A, 1-pole, D-curve, with screw-clamp terminals. AC voltage rating is 277V AC with a 10kA interrupting rating; DC voltage rating is 60V DC. It is UL489 listed for DIN rail mounting and carries MPN 5SJ41258HG42.

Where to buy the SIEMENS 5SJ41258HG42 worldwide?

3G Electric supplies the SIEMENS 5SJ41258HG42 miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 25 A, 1-pole D-curve UL489 breaker.

How to install the SIEMENS 5SJ41258HG42 on a DIN rail?

Snap the SIEMENS 5SJ41258HG42 onto a standard 35 mm DIN rail until the latch engages. Use a screwdriver to tighten the screw-clamp terminals to the torque specified on the breaker label. Ensure the circuit is de-energized before installation and follow local electrical codes.

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 d-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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