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Siemens Miniature Circuit Breaker: 4 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: 4 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YC58, MPN 5SJ41048HG42) is a 4 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. The…

SKU 3G-OTH-22176

Brand
Siemens
Item
Miniature Circuit Breaker: 4 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
5SJ41048HG42
Type
10kA at 277V AC, Screw Clamp, 5SJ4
AC
277V
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 30YC58, MPN 5SJ41048HG42) is a 4 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. The terminal connection uses a screw clamp.

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 5SJ41048HG42 miniature circuit breaker used for?

The SIEMENS 5SJ41048HG42 is a 4 A, D-Curve, 1-Pole UL489 miniature circuit breaker designed for overcurrent protection in industrial control panels, HVAC equipment, and lighting circuits. It handles 277V AC and 60V DC applications, making it suitable for global installations requiring reliable branch-circuit protection.

What are the specifications of the SIEMENS 5SJ41048HG42?

The SIEMENS 5SJ41048HG42 is a 4 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 uses a screw clamp. The MPN is 5SJ41048HG42, part of the 5SJ4 series.

Where to buy the SIEMENS 5SJ41048HG42 worldwide?

3G Electric supplies the SIEMENS 5SJ41048HG42 miniature circuit breaker worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Siemens-branded breaker to any country.

How to install the SIEMENS 5SJ41048HG42 on a DIN rail?

To install the SIEMENS 5SJ41048HG42, snap the breaker onto a standard 35 mm DIN rail until the latch engages. Connect wires using the screw clamp terminals, torquing to manufacturer specifications. Ensure the circuit is de-energized before installation. Always follow local electrical codes and Siemens guidelines 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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SIEMENS IEC Miniature Circuit Breaker: 0.5 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp, 5SJ4, AC/DC (MPN 5SJ41058HG42). Key specifications — Brand: SIEMENS; DC Voltage Rating: 60V DC; Max. AIR Rating: 10kA at 277V AC; Terminal Connection: Screw Clamp; AC Voltage Rating: 277V AC.