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Siemens Miniature Circuit Breaker: 50 A Amps, 60V DC, 10kA 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: 50 A Amps, 60V DC, 10kA at 240V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30XZ99, MPN 5SJ41508HG40) is a 50 A, 1-pole D-curve UL489 DIN rail-mount unit. It is rated for 240V AC with a 10kA interrupting capacity and 60V DC, and features…

SKU 3G-OTH-22285

Brand
Siemens
Item
Miniature Circuit Breaker: 50 A Amps, 60V DC, 10kA 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
5SJ41508HG40
Type
10kA at 240V AC, Screw Clamp, 5SJ4, AC/DC
DC
60V
Max. AIR Rating
10kA 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 30XZ99, MPN 5SJ41508HG40) is a 50 A, 1-pole D-curve UL489 DIN rail-mount unit. It is rated for 240V AC with a 10kA interrupting capacity and 60V DC, and features screw-clamp terminals.

Frequently Asked Questions

What is the SIEMENS 5SJ41508HG40 miniature circuit breaker used for?

The SIEMENS 5SJ41508HG40 is a 50 A, 1-pole D-curve UL489 miniature circuit breaker designed for overcurrent protection in industrial control panels, HVAC equipment, and DC circuits up to 60V DC. Its D-curve trip characteristic handles high inrush loads like motors and transformers.

What are the specifications of the SIEMENS 5SJ41508HG40?

The SIEMENS 5SJ41508HG40 is rated 50 A, 240V AC with a 10kA interrupting capacity, and 60V DC. It is a 1-pole D-curve UL489 DIN rail-mount unit with screw-clamp terminals. The MPN is 5SJ41508HG40, part of the 5SJ4 series for AC/DC applications.

Where to buy the SIEMENS 5SJ41508HG40 worldwide?

3G Electric supplies the SIEMENS 5SJ41508HG40 miniature circuit breaker worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Siemens breaker to any country.

How to install the SIEMENS 5SJ41508HG40 miniature circuit breaker?

Snap the SIEMENS 5SJ41508HG40 onto a standard DIN rail until it locks. Connect line and load wires to the screw-clamp terminals, tightening to the torque specified on the breaker label. Ensure the circuit is de-energized before installation and 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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