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Siemens Molded Case Circuit Breaker: 125 A Amps, 22kA at 600V AC, Fixed, Lug, ABC - FD-Frame Siemens Molded Case Circuit Breakers
SiemensFD-Frame Siemens Molded Case Circuit Breakers

Siemens Molded Case Circuit Breaker: 125 A Amps, 22kA at 600V AC, Fixed, Lug, ABC

The SIEMENS Molded Case Circuit Breaker is an FD-Frame unit rated for 125 A amps and 600V AC, with a maximum AIR rating of 22kA at 600V AC. It features a fixed instantaneous trip, lug terminal connections, and ABC…

SKU 3G-OTH-20657

Brand
Siemens
Item
Molded Case Circuit Breaker: 125 A Amps, 22kA at 600V AC, Fixed, Lug, ABC
Category
FD-Frame Siemens Molded Case Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
FXD63B125
Series
FXD6-A
Type
22kA at 600V AC, Fixed, Lug, ABC, FXD6-A
AC
600V
Max. AIR Rating
22kA at 600V AC
Phase Connection
ABC
Instantaneous Trip
Fixed
Terminal Connection
Lug
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Molded Case Circuit Breaker is an FD-Frame unit rated for 125 A amps and 600V AC, with a maximum AIR rating of 22kA at 600V AC. It features a fixed instantaneous trip, lug terminal connections, and ABC phase connection, and belongs to the FXD6-A series (MPN FXD63B125).

Frequently Asked Questions

What is the SIEMENS FXD63B125 molded case circuit breaker used for?

The SIEMENS FXD63B125 is an FD-frame molded case circuit breaker used for overcurrent protection in industrial power distribution systems. It is rated for 125 A amps at 600V AC and is suitable for protecting branch circuits, feeders, and equipment in manufacturing plants, commercial buildings, and utility applications.

What are the specifications of the SIEMENS FXD63B125 circuit breaker?

The SIEMENS FXD63B125 is an FD-frame molded case circuit breaker with a 125 A amp rating, 600V AC voltage, and a maximum AIR rating of 22kA at 600V AC. It features a fixed instantaneous trip, lug terminal connections, and ABC phase connection. It belongs to the FXD6-A series with MPN FXD63B125.

Where to buy the SIEMENS FXD63B125 circuit breaker worldwide?

You can source the SIEMENS FXD63B125 molded case 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 FD-frame breaker.

How to select the correct Siemens molded case circuit breaker for your application?

To select the correct Siemens molded case circuit breaker, verify your system voltage (600V AC max), continuous current (125 A), and available fault current (22kA at 600V AC). Ensure the phase connection (ABC), trip type (fixed instantaneous), and terminal connection (lug) match your panel requirements. Consult Siemens documentation for coordination studies.

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 fd-frame siemens molded case 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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