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Siemens 5SJ41018HG42 D-Curve 1-Pole UL489 Miniature Circuit Breaker - D-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensD-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens 5SJ41018HG42 D-Curve 1-Pole UL489 Miniature Circuit Breaker

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ41018HG42, 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…

SKU 3G-OTH-21744

Brand
Siemens
Item
5SJ41018HG42 D-Curve 1-Pole UL489 Miniature Circuit Breaker
Category
D-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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

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

Product Description

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ41018HG42, 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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Cross-referenced by specification & description
This 2A, D-Curve, 1-pole miniature circuit breaker is UL489 listed for DIN rail mounting. It provides overcurrent protection for branch circuits and control panels in AC systems up to 277V and DC systems up to 60V. The screw clamp terminals facilitate secure wiring connections
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This 2A, D-Curve, 1-pole miniature circuit breaker is UL489 listed for DIN rail mounting. It provides overcurrent protection for branch circuits and control panels in AC systems up to 277V and DC systems up to 60V. The screw clamp terminals facilitate secure wiring connections
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This Siemens 5SJ4 series miniature circuit breaker is a 1-pole, D-curve unit rated 5A for 277V AC or 60V DC. It has a maximum interrupting rating of 10kA at 277V AC and features screw-clamp terminals. Designed for DIN rail mounting, it is UL489 listed and suitable for branch circuit protection in industrial control panels, HVAC equipment, and machinery
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This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection. Rated 20A, 277V AC (10kA interrupting capacity) and 60V DC, with screw-clamp terminals. UL489 listed for DIN-rail mounting in industrial control panels, HVAC equipment, and lighting circuits
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This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection. Rated 20A, 277V AC (10kA interrupting capacity) and 60V DC, with screw-clamp terminals. UL489 listed for DIN-rail mounting in industrial control panels, HVAC equipment, and lighting circuits
This 1-pole miniature circuit breaker features a D-curve trip characteristic for applications with high inrush currents, such as motor and transformer circuits. Rated 10A, it provides overcurrent protection in AC systems up to 277V (10kA interrupting capacity) and DC systems up to 60V. The screw-clamp terminals facilitate secure wiring in DIN rail-mounted panels
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This 1-pole miniature circuit breaker features a D-curve trip characteristic for applications with high inrush currents, such as motor and transformer circuits. Rated 10A, it provides overcurrent protection in AC systems up to 277V (10kA interrupting capacity) and DC systems up to 60V. The screw-clamp terminals facilitate secure wiring in DIN rail-mounted panels

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This 1-pole D-curve miniature circuit breaker is UL489 listed for branch circuit protection. Rated 10A, 240V AC (14kA interrupting capacity) and 60V DC. Screw-clamp terminals for secure wiring. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery
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This 30 A, 1-pole D-curve miniature circuit breaker from the Siemens 5SJ4 series is UL489 listed for DIN rail mounting. It provides overcurrent protection for branch circuits rated up to 277V AC or 60V DC, with a maximum interrupting rating of 10kA at 277V AC. Terminal connection is via screw clamp. Typical applications include industrial control panels, HVAC equipment, and machinery
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This 30 A, 1-pole D-curve miniature circuit breaker from the Siemens 5SJ4 series is UL489 listed for DIN rail mounting. It provides overcurrent protection for branch circuits rated up to 277V AC or 60V DC, with a maximum interrupting rating of 10kA at 277V AC. Terminal connection is via screw clamp. Typical applications include industrial control panels, HVAC equipment, and machinery
This 1-pole D-curve miniature circuit breaker from the Siemens 5SJ4 series is rated 63A at 240V AC (10kA AIR) and 60V DC. It features screw-clamp terminals for secure wiring and is UL489 listed for DIN rail mounting. Suitable for overcurrent protection in industrial control panels, machinery, and power distribution systems
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This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in circuits with high inrush currents. Rated 25A, it is UL489 listed for DIN rail mounting and accepts 277V AC (10kA interrupting rating) or 60V DC. Screw-clamp terminals facilitate secure wiring in industrial control panels, HVAC equipment, and machinery branch circuits
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This 1-pole miniature circuit breaker features a D-curve trip characteristic for high inrush loads. Rated 0.5 A, it is UL489 listed for branch circuit protection in industrial control panels, HVAC equipment, and lighting systems. Suitable for both AC (277V) and DC (60V) applications with a 10kA interrupting rating at 277V AC. Terminals are screw clamp type for secure wiring
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