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Siemens Miniature Circuit Breaker: 40 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: 40 A Amps, 60V DC, 10kA at 240V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30XZ93) is a 1-pole, D-curve, UL489 DIN rail-mount unit rated for 40 A. It is specified for 240V AC (10kA AIR) and 60V DC, with screw-clamp terminals (MPN 5SJ41408HG40).

SKU 3G-OTH-22045

Brand
Siemens
Item
Miniature Circuit Breaker: 40 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
5SJ41408HG40
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
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 30XZ93) is a 1-pole, D-curve, UL489 DIN rail-mount unit rated for 40 A. It is specified for 240V AC (10kA AIR) and 60V DC, with screw-clamp terminals (MPN 5SJ41408HG40).

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 5SJ41408HG40 miniature circuit breaker used for?

The SIEMENS 5SJ41408HG40 is a 1-pole, D-curve miniature circuit breaker rated for 40 A. It protects branch circuits in industrial control panels and equipment against overloads and short circuits, operating at 240V AC (10kA AIR) or 60V DC. Its D-curve trip characteristic suits high-inrush loads like motors and transformers.

What are the specifications of the SIEMENS 5SJ41408HG40?

This SIEMENS IEC miniature circuit breaker (MPN 5SJ41408HG40) is rated 40 A, 1-pole, D-curve, with a max. AIR rating of 10kA at 240V AC and a DC voltage rating of 60V DC. It features screw-clamp terminals and is UL489 listed for DIN rail mounting. The brand is SIEMENS.

Where to buy the SIEMENS 5SJ41408HG40 worldwide?

You can source the SIEMENS 5SJ41408HG40 miniature circuit breaker through 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; we supply genuine SIEMENS components for industrial applications.

How to install the SIEMENS 5SJ41408HG40 miniature circuit breaker?

Install the SIEMENS 5SJ41408HG40 by snapping it onto a standard DIN rail. Ensure the circuit is de-energized. Connect conductors using the screw-clamp terminals, tightening to the torque specified on the device label. Verify the D-curve rating matches your load's inrush characteristics. Follow local electrical codes and SIEMENS installation guidelines.

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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