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Siemens Miniature Circuit Breaker: 15 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: 15 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YC66, MPN 5SJ41188HG42) is a 15 A, D-Curve, 1-Pole UL489 DIN Rail-Mount unit. It is rated for 277V AC and 60V DC, with a maximum AIR rating of 10kA at 277V AC, and…

SKU 3G-OTH-22259

Brand
Siemens
Item
Miniature Circuit Breaker: 15 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
5SJ41188HG42
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
View Full Spec Sheet

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YC66, MPN 5SJ41188HG42) is a 15 A, D-Curve, 1-Pole UL489 DIN Rail-Mount unit. It is rated for 277V AC and 60V DC, with a maximum AIR rating of 10kA at 277V AC, and features a screw clamp terminal connection.

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 5SJ41188HG42 miniature circuit breaker used for?

The SIEMENS 5SJ41188HG42 is a 15 A, D-Curve, 1-pole UL489 miniature circuit breaker designed for overcurrent protection in industrial control panels, HVAC equipment, and DC power systems. It protects branch circuits rated up to 277V AC or 60V DC, making it suitable for both AC and DC applications.

What are the specifications of the SIEMENS 5SJ41188HG42?

The SIEMENS 5SJ41188HG42 is a 15 A, D-Curve, 1-pole UL489 DIN rail-mount miniature circuit breaker. It is rated for 277V AC and 60V DC, with a maximum AIR rating of 10kA at 277V AC. Terminal connection is screw clamp. The MPN is 5SJ41188HG42, part of the 5SJ4 series.

Where to buy the SIEMENS 5SJ41188HG42 worldwide?

You can source the SIEMENS 5SJ41188HG42 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 Siemens-branded component.

How to install the SIEMENS 5SJ41188HG42 miniature circuit breaker?

Install the SIEMENS 5SJ41188HG42 by snapping it onto a standard 35 mm DIN rail. Ensure the circuit is de-energized. Connect wires to the screw clamp terminals, tightening to the torque specified on the breaker label. Verify polarity for DC applications. Follow Siemens installation instructions for safe operation.

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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