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Siemens 5SJ4 Series 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 5SJ4 Series D-Curve 1-Pole UL489 Miniature Circuit Breaker

The SIEMENS IEC Miniature Circuit Breaker (SKU 5SJ41158HG40, MPN 5SJ41158HG40) is a D-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 1.6 A. It supports 240V AC and 60V DC with a maximum AIR rating of 14kA at 240V…

SKU 3G-OTH-21755

Brand
Siemens
Item
5SJ4 Series 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
5SJ41158HG40
Type
14kA at 240V AC, Screw Clamp, 5SJ4, AC/DC
DC
60V
Max. AIR Rating
14kA at 240V AC
AC Voltage Rating
240V 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 5SJ41158HG40, MPN 5SJ41158HG40) is a D-Curve, 1-Pole UL489 DIN Rail-Mount unit rated at 1.6 A. It supports 240V AC and 60V DC with a maximum AIR rating of 14kA at 240V AC, and features a Screw Clamp terminal connection.

Frequently Asked Questions

What is the SIEMENS 5SJ41158HG40 miniature circuit breaker used for?

The SIEMENS 5SJ41158HG40 is a D-Curve, 1-Pole UL489 miniature circuit breaker rated at 1.6 A. It protects branch circuits in industrial control panels and equipment from overcurrent and short circuits, supporting 240V AC and 60V DC applications.

What are the specifications of the SIEMENS 5SJ41158HG40?

This SIEMENS IEC miniature circuit breaker has a 1.6 A rating, 240V AC and 60V DC voltage ratings, a maximum AIR rating of 14kA at 240V AC, and a Screw Clamp terminal connection. It is a D-Curve, 1-Pole unit from the 5SJ4 series, UL489 listed for DIN rail mounting.

Where to buy the SIEMENS 5SJ41158HG40 worldwide?

3G Electric supplies the SIEMENS 5SJ41158HG40 miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right SIEMENS miniature circuit breaker for DC applications?

For DC applications, verify the circuit breaker's DC voltage rating matches your system voltage. The SIEMENS 5SJ41158HG40 is rated for 60V DC. Also confirm the current rating (1.6 A) and trip curve (D-Curve) suit your load type. Always follow NEC and local codes for proper selection.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in circuits with high inrush currents. Rated 13A, 240V AC (14kA AIR) and 60V DC, it uses screw-clamp terminals and is UL489 listed for DIN rail mounting. Suitable for industrial control panels, HVAC equipment, and DC circuits
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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 13A, 240V AC (14kA AIR) and 60V DC, it uses screw-clamp terminals and is UL489 listed for DIN rail mounting. Suitable for industrial control panels, HVAC equipment, and DC circuits
This 5 A, 1-pole D-Curve miniature circuit breaker is UL489 listed for DIN rail mounting. Rated 240V AC (14kA AIR) and 60V DC, it uses a screw clamp terminal connection. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and branch circuits with high inrush currents
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1-pole D-curve miniature circuit breaker rated 20 A, 240 V AC (14 kA interrupting capacity) and 60 V DC. UL489 listed for DIN-rail mounting with screw-clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery
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1-pole D-curve miniature circuit breaker rated 20 A, 240 V AC (14 kA interrupting capacity) and 60 V DC. UL489 listed for DIN-rail mounting with screw-clamp terminals. Suitable for overcurrent protection in industrial control panels, HVAC equipment, and machinery
This 3A, 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in applications with high inrush currents, such as motor and transformer circuits. It is UL489 listed for branch circuit protection, rated 240V AC with a 14kA interrupting capacity and 60V DC. The unit mounts on a DIN rail and uses screw-clamp terminals for secure wiring connections
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This 3A, 1-pole miniature circuit breaker features a D-curve trip characteristic for overcurrent protection in applications with high inrush currents, such as motor and transformer circuits. It is UL489 listed for branch circuit protection, rated 240V AC with a 14kA interrupting capacity and 60V DC. The unit mounts on a DIN rail and uses screw-clamp terminals for secure wiring connections

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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 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 D-curve miniature circuit breaker is UL489 listed for DIN rail mounting. Rated 6A with 14kA interrupting capacity at 240V AC and 60V DC, it uses screw-clamp terminals. Typical applications include branch circuit protection in industrial control panels, HVAC equipment, and machinery where high inrush currents occur
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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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