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Siemens Molded Case Circuit Breaker: 250 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: 250 A Amps, 22kA at 600V AC, Fixed, Lug, ABC

The Siemens FD-Frame Molded Case Circuit Breaker (SKU 6FNF1, MPN FXD63B250) is a 250 A rated device from the FXD6-A series. It features a fixed instantaneous trip, a maximum AIR rating of 22kA at 600V AC, and ABC…

SKU 3G-OTH-20736

Brand
Siemens
Item
Molded Case Circuit Breaker: 250 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
FXD63B250
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 FD-Frame Molded Case Circuit Breaker (SKU 6FNF1, MPN FXD63B250) is a 250 A rated device from the FXD6-A series. It features a fixed instantaneous trip, a maximum AIR rating of 22kA at 600V AC, and ABC phase connection with lug terminals.

Frequently Asked Questions

What is the Siemens FXD63B250 molded case circuit breaker used for?

The Siemens FXD63B250 is a 250 A molded case circuit breaker used for overcurrent protection in industrial power distribution systems. It is suitable for ABC phase applications up to 600V AC, providing fixed instantaneous trip protection and a 22kA interrupting rating at 600V AC.

What are the specifications of the Siemens FXD63B250 circuit breaker?

The Siemens FXD63B250 is a 250 A, FD-frame molded case circuit breaker from the FXD6-A series. It has a maximum AIR rating of 22kA at 600V AC, ABC phase connection, fixed instantaneous trip, and lug terminals. It operates at 600V AC and carries MPN FXD63B250.

Where to buy the Siemens FXD63B250 circuit breaker worldwide?

3G Electric supplies the Siemens FXD63B250 molded case circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this 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), required amp rating (250 A for FXD63B250), phase connection (ABC), and interrupting capacity (22kA). Ensure the frame type (FD) and trip characteristics (fixed instantaneous) match your load and fault current requirements.

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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