Siemens Miniature Circuit Breaker: 15 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp
The SIEMENS IEC Miniature Circuit Breaker (SKU 30YC50, MPN 5SJ41187HG42) is a 15 A, C-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-22923
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Product Description
The SIEMENS IEC Miniature Circuit Breaker (SKU 30YC50, MPN 5SJ41187HG42) is a 15 A, C-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 5SJ41187HG42 miniature circuit breaker used for?
The SIEMENS 5SJ41187HG42 is a 15 A, C-Curve, 1-pole UL489 miniature circuit breaker used for overcurrent protection in industrial control panels, lighting circuits, and DC power systems. It is suitable for DIN-rail mounting and protects branch circuits rated up to 277V AC or 60V DC.
What are the specifications of the SIEMENS 5SJ41187HG42 circuit breaker?
The SIEMENS 5SJ41187HG42 is a 15 A, C-Curve, 1-pole UL489 miniature circuit breaker with a maximum AIR rating of 10kA at 277V AC. It is rated for 277V AC and 60V DC, and features a screw clamp terminal connection. The MPN is 5SJ41187HG42 and SKU is 30YC50.
Where to buy the SIEMENS 5SJ41187HG42 circuit breaker worldwide?
You can source the SIEMENS 5SJ41187HG42 circuit breaker from 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 miniature circuit breaker.
How to install the SIEMENS 5SJ41187HG42 miniature circuit breaker?
To install the SIEMENS 5SJ41187HG42, snap it onto a standard 35 mm DIN rail. Ensure the circuit is de-energized. Connect wires to the screw clamp terminals, tightening to the manufacturer's recommended torque. Verify the C-Curve trip characteristic matches your load type before energizing.
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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.













