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Siemens Miniature Circuit Breaker: 1 A Amps, 60V DC, 14kA at 240V 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, 14kA at 240V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30XZ49, MPN 5SJ41018HG40) is a 1-pole, D-curve, 1 A unit designed for DIN rail mounting. It is rated for 240V AC with a maximum AIR of 14kA at 240V AC, and 60V DC…

SKU 3G-OTH-21740

Brand
Siemens
Item
Miniature Circuit Breaker: 1 A Amps, 60V DC, 14kA at 240V 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
5SJ41018HG40
Type
14kA at 240V AC, Screw Clamp, 5SJ4
AC
240V
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 30XZ49, MPN 5SJ41018HG40) is a 1-pole, D-curve, 1 A unit designed for DIN rail mounting. It is rated for 240V AC with a maximum AIR of 14kA at 240V AC, and 60V DC, featuring screw clamp terminals. This UL489-listed breaker is suitable for branch circuit protection in industrial control panels and equipment.

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 5SJ41018HG40 miniature circuit breaker used for?

This 1-pole, D-curve, 1 A breaker provides branch circuit protection in industrial control panels and equipment. It is UL489 listed for 240V AC and 60V DC applications, making it suitable for motor and transformer circuits with high inrush currents.

What are the specifications of the SIEMENS 5SJ41018HG40 MCB?

The SIEMENS 5SJ41018HG40 is a 1 A, 1-pole, D-curve miniature circuit breaker rated 240V AC and 60V DC. It has a maximum AIR of 14kA at 240V AC, screw clamp terminals, and mounts on a DIN rail. It is part of the 5SJ4 series.

Where to buy the SIEMENS 5SJ41018HG40 circuit breaker worldwide?

3G Electric supplies the SIEMENS 5SJ41018HG40 miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this UL489-listed, D-curve breaker.

How to install a SIEMENS 5SJ4 series MCB on a DIN rail?

To install the SIEMENS 5SJ41018HG40, clip it onto a standard 35 mm DIN rail until it locks. Ensure the breaker is off, then connect wires to the screw clamp terminals using the correct torque. Follow local electrical codes and the manufacturer's instructions 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: 6 A Amps, 60V DC, 14kA at 240V AC, Screw Clamp, 5SJ4, 240V AC (MPN 5SJ41068HG40). Key specifications — Brand: SIEMENS; DC Voltage Rating: 60V DC; Max. AIR Rating: 14kA at 240V AC; Terminal Connection: Screw Clamp; AC Voltage Rating: 240V AC.
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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.
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