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Siemens Miniature Circuit Breaker: 1 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: 1 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YD45, MPN 5SJ41018HG42) is a D-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 1 A Amps. It features a Max. AIR Rating of 10kA at 277V AC, AC Voltage Rating of 277V…

SKU 3G-OTH-21744

Brand
Siemens
Item
Miniature Circuit Breaker: 1 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
5SJ41018HG42
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
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 30YD45, MPN 5SJ41018HG42) is a D-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 1 A Amps. It features a Max. AIR Rating of 10kA at 277V AC, AC Voltage Rating of 277V AC, and DC Voltage Rating of 60V DC, with 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 5SJ41018HG42 miniature circuit breaker used for?

The SIEMENS 5SJ41018HG42 is a D-Curve, 1-Pole UL489 DIN Rail-Mount miniature circuit breaker rated at 1 A Amps. It protects industrial control circuits and equipment from overcurrent and short circuits in 277V AC or 60V DC systems, commonly used in panel building and machinery.

What are the specifications of the SIEMENS 5SJ41018HG42?

The SIEMENS 5SJ41018HG42 is a 1 A Amps, D-Curve, 1-Pole miniature circuit breaker. It has a Max. AIR Rating of 10kA at 277V AC, AC Voltage Rating of 277V AC, DC Voltage Rating of 60V DC, and a Screw Clamp terminal connection. It is UL489 listed for DIN rail mounting.

Where to buy the SIEMENS 5SJ41018HG42 worldwide?

You can source the SIEMENS 5SJ41018HG42 miniature 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.

How to install the SIEMENS 5SJ41018HG42 on a DIN rail?

To install the SIEMENS 5SJ41018HG42, snap it onto a standard 35 mm DIN rail until it locks. Connect wires using the Screw Clamp terminals, tightening to the torque specified in the datasheet. Ensure the circuit is de-energized before installation. 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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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.