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Siemens Miniature Circuit Breaker: 40 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp - C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
SiemensC-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers

Siemens Miniature Circuit Breaker: 40 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YC56, MPN 5SJ41407HG42) is a 40 A, C-Curve, 1-Pole UL489 DIN Rail-Mount unit. It is rated for 277V AC and 60V DC, with a maximum AIR rating of 10kA at 277V AC, and…

SKU 3G-OTH-22821

Brand
Siemens
Item
Miniature Circuit Breaker: 40 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp
Category
C-Curve, 1-Pole UL489 DIN Rail-Mount Miniature Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
5SJ41407HG42
Type
10kA at 277V AC, Screw Clamp, 5SJ4, AC/DC
DC
60V
Max. AIR Rating
10kA at 277V AC
AC Voltage Rating
277V 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 30YC56, MPN 5SJ41407HG42) is a 40 A, C-Curve, 1-Pole UL489 DIN Rail-Mount unit. It is rated for 277V AC and 60V DC, with a maximum AIR rating of 10kA at 277V AC, and features 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 5SJ41407HG42 miniature circuit breaker used for?

The SIEMENS 5SJ41407HG42 is a 40 A, C-Curve, 1-Pole UL489 DIN Rail-Mount miniature circuit breaker used for overcurrent protection in industrial control panels, lighting circuits, and motor branch circuits. It handles both 277V AC and 60V DC applications, making it suitable for global industrial installations.

What are the specifications of the SIEMENS 5SJ41407HG42?

The SIEMENS 5SJ41407HG42 is a 40 A, C-Curve, 1-Pole miniature circuit breaker with a max. AIR rating of 10kA at 277V AC. It is rated for 277V AC and 60V DC, features a screw clamp terminal connection, and is UL489 listed for DIN rail mounting. The MPN is 5SJ41407HG42.

Where to buy the SIEMENS 5SJ41407HG42 worldwide?

3G Electric supplies the SIEMENS 5SJ41407HG42 miniature circuit breaker worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 40 A, C-Curve, 1-Pole UL489 unit.

How to install the SIEMENS 5SJ41407HG42 on a DIN rail?

To install the SIEMENS 5SJ41407HG42, snap the breaker onto a standard 35 mm DIN rail until the latch clicks. Ensure the circuit is de-energized. Connect wires to the screw clamp terminals per the torque specifications in the manual. Verify the C-Curve trip characteristic matches your load type.

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 c-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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