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Siemens Miniature Circuit Breaker: 30 A Amps, 125V DC, 10kA at 277/480V AC, Screw Clamp - D-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensD-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 30 A Amps, 125V DC, 10kA at 277/480V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (MPN 5SJ43308HG42) is a 30 A, D-Curve, 3-Pole UL489 DIN Rail-Mount unit. It features a Max. AIR Rating of 10kA at 277/480V AC, a DC Voltage Rating of 125V DC, and a Screw…

SKU 3G-OTH-20615

Brand
Siemens
Item
Miniature Circuit Breaker: 30 A Amps, 125V DC, 10kA at 277/480V AC, Screw Clamp
Category
D-Curve, 3-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ43308HG42
Type
10kA at 277/480V AC, Screw Clamp, D
DC
125V
Max. AIR Rating
10kA at 277/480V AC
DC Voltage Rating
125V 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 (MPN 5SJ43308HG42) is a 30 A, D-Curve, 3-Pole UL489 DIN Rail-Mount unit. It features a Max. AIR Rating of 10kA at 277/480V AC, a DC Voltage Rating of 125V DC, and 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 IEC Miniature Circuit Breaker 5SJ43308HG42 used for?

This 30 A, D-Curve, 3-pole UL489 miniature circuit breaker protects industrial equipment and DC circuits from overloads and short circuits. It is suitable for DIN-rail mounting in control panels, motor starter enclosures, and power distribution systems requiring 125V DC or 277/480V AC protection.

What are the specifications of the SIEMENS 5SJ43308HG42 miniature circuit breaker?

The SIEMENS 5SJ43308HG42 is a 30 A, D-Curve, 3-pole UL489 DIN-rail mount miniature circuit breaker. It has a Max. AIR Rating of 10kA at 277/480V AC, a DC Voltage Rating of 125V DC, and a Screw Clamp terminal connection. The manufacturer part number is 5SJ43308HG42.

Where to buy the SIEMENS 5SJ43308HG42 miniature circuit breaker worldwide?

3G Electric supplies the SIEMENS 5SJ43308HG42 miniature circuit breaker to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the SIEMENS 5SJ43308HG42 miniature circuit breaker?

Snap the SIEMENS 5SJ43308HG42 onto a standard DIN rail. Ensure the circuit is de-energized before wiring. Connect conductors to the Screw Clamp terminals per the torque rating on the label. Verify the D-Curve trip characteristic matches your load type (high inrush). Test operation after installation.

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, 3-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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