Siemens Sentron LD63B400 Molded Case Circuit Breaker 3-Pole 400A

UnknownModel:LD63B400
Location unavailable
Power Distribution Shelter
Qty:1
Condition: New
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Ontario Automatio and Robotics Inc
Ontario Automatio and Robotics Inc

Seller since: Feb 2026

At a glance

Product
Siemens Sentron LD63B400 Molded Case Circuit Breaker 3-Pole 400A
Manufacturer
Not provided
Model
LD63B400
Category
Power Distribution Shelter
Condition
NEW
Availability
In stock
Price or process
Request price
Quantity
1
Lead time
Not provided
Location
Location unavailable
Fulfillment
Shipping only
Listed on

Key specifications

Amperage Rating
400A
Frame Type
LD
Interrupting Capacity
35kA
Mounting Type
Bolt-On
Number of Poles
3
Trip Type
Thermal-Magnetic
Voltage Rating
600V

Supporting evidence

No supporting documents or certifications provided.

Description

The Siemens Sentron LD63B400 is a high-performance molded case circuit breaker designed for reliable protection in industrial and commercial electrical systems. This 3-pole breaker features a 400A continuous current rating and is part of the Sentron series, known for its robust construction and advanced trip unit technology. It provides excellent short-circuit protection with interrupting capacities up to 35kA at 480V AC, making it suitable for applications in power distribution panels, motor control centers, and heavy-duty machinery. Key benefits include adjustable thermal-magnetic trip settings for customized protection, compact design for space-saving installations, and compatibility with Siemens panelboards. Compared to similar products like those from Eaton or Schneider, the LD63B400 offers superior arc flash mitigation and easier maintenance due to its modular components. Drawbacks may include higher initial cost and the need for professional installation. This unit is new in box, ensuring optimal performance and longevity in demanding environments such as manufacturing plants or data centers.
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