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Siemens Miniature Circuit Breaker: 20 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: 20 A Amps, 60V DC, 10kA at 277V AC, Screw Clamp

The SIEMENS IEC Miniature Circuit Breaker (SKU 30YC51, MPN 5SJ41207HG42) is a 20 A, 1-pole C-Curve UL489 DIN rail-mount unit. It is rated for 277V AC (10kA AIR) and 60V DC, with screw-clamp terminals.

SKU 3G-OTH-22779

Brand
Siemens
Item
Miniature Circuit Breaker: 20 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
5SJ41207HG42
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 30YC51, MPN 5SJ41207HG42) is a 20 A, 1-pole C-Curve UL489 DIN rail-mount unit. It is rated for 277V AC (10kA AIR) and 60V DC, with screw-clamp terminals.

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 5SJ41207HG42 miniature circuit breaker used for?

The SIEMENS 5SJ41207HG42 is a 20 A, 1-pole C-Curve UL489 miniature circuit breaker used for overcurrent protection in industrial control panels, lighting circuits, and DC power systems. It mounts on a DIN rail and is suitable for AC applications up to 277V and DC circuits up to 60V.

What are the specifications of the SIEMENS 5SJ41207HG42?

The SIEMENS 5SJ41207HG42 is a 20 A, 1-pole C-Curve UL489 miniature circuit breaker with a maximum AIR rating of 10kA at 277V AC and a DC voltage rating of 60V DC. It features screw-clamp terminals and is part of the 5SJ4 series, designed for DIN-rail mounting.

Where to buy the SIEMENS 5SJ41207HG42 worldwide?

You can source the SIEMENS 5SJ41207HG42 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 on this Siemens-branded component.

How to install the SIEMENS 5SJ41207HG42 miniature circuit breaker?

To install the SIEMENS 5SJ41207HG42, snap it onto a standard DIN rail, ensuring the C-Curve trip characteristic matches your load. Connect wires using the screw-clamp terminals, torque to manufacturer specifications, and verify the circuit is de-energized before installation. Always 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 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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