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Siemens Molded Case Circuit Breaker: 400 A Amps, 65kA at 240V AC, Fixed, Lug, ABC - JD-Frame Siemens Molded Case Circuit Breakers
SiemensJD-Frame Siemens Molded Case Circuit Breakers

Siemens Molded Case Circuit Breaker: 400 A Amps, 65kA at 240V AC, Fixed, Lug, ABC

The SIEMENS Molded Case Circuit Breaker is a JD-Frame unit rated for 400 A amps with a maximum AIR rating of 65kA at 240V AC. It features a fixed instantaneous trip, lug terminal connections, and ABC phase…

SKU 3G-OTH-21078

Brand
Siemens
Item
Molded Case Circuit Breaker: 400 A Amps, 65kA at 240V AC, Fixed, Lug, ABC
Category
JD-Frame Siemens Molded Case Circuit Breakers
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Technical Specifications

Siemens
Manufacturer Part Number
JXD23B400
Series
JXD2-A
Type
65kA at 240V AC, Fixed, Lug, ABC, JXD2-A
AC
240V
Max. AIR Rating
65kA at 240V AC
Phase Connection
ABC
Instantaneous Trip
Fixed
Terminal Connection
Lug
View Full Spec Sheet

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Molded Case Circuit Breaker is a JD-Frame unit rated for 400 A amps with a maximum AIR rating of 65kA at 240V AC. It features a fixed instantaneous trip, lug terminal connections, and ABC phase connection, and belongs to the JXD2-A series (MPN JXD23B400).

Frequently Asked Questions

What is the SIEMENS JXD23B400 molded case circuit breaker used for?

The SIEMENS JXD23B400 is a JD-Frame molded case circuit breaker rated for 400 A amps. It is used for overcurrent protection in industrial power distribution systems, motor control centers, and panelboards where a fixed instantaneous trip and lug terminals are required.

What are the specifications of the SIEMENS JXD23B400 circuit breaker?

The SIEMENS JXD23B400 is a 400 A molded case circuit breaker with a maximum AIR rating of 65kA at 240V AC. It features a fixed instantaneous trip, lug terminal connections, ABC phase connection, and belongs to the JXD2-A series. The manufacturer part number is JXD23B400.

Where to buy the SIEMENS JXD23B400 circuit breaker worldwide?

You can source the SIEMENS JXD23B400 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 molded case circuit breaker.

How to select the correct SIEMENS molded case circuit breaker for an application?

To select the correct SIEMENS molded case circuit breaker, verify the continuous current rating (400 A for the JXD23B400), the maximum available fault current (65kA at 240V AC), phase connection (ABC), and terminal type (lug). Ensure the frame size (JD-Frame) matches your panelboard or switchgear 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 jd-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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