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Siemens JXD63H400 3-Pole Miniature Circuit Breaker - 400A

Siemens JXD63H400 3-pole, 400A miniature circuit breaker.

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ManufacturerSiemens

Part numberJXD63H400

Poles 3

Current Rating 400A

Voltage Rating 400V AC

Breaking Capacity 25kA

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12-month warranty

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Veteran-owned

CAGE: 9NK75

3-pole design 400A current rating 25kA breaking capacity Thermal magnetic trip DIN rail mountable Robust construction

Product description

The Siemens JXD63H400 is a high-performance miniature circuit breaker designed for reliable circuit protection. It features a 3-pole configuration and a robust 400-ampere rating, ensuring safe operation under demanding conditions. Built with Siemens' renowned quality, this breaker offers excellent breaking capacity and thermal magnetic trip characteristics.

This circuit breaker is ideal for a wide range of industrial applications, including motor control, power distribution, and equipment protection in manufacturing plants, processing facilities, and commercial buildings. Its durable construction makes it suitable for harsh environments where dependable electrical safety is paramount.

Stanlo Automation, a veteran-owned business, specializes in providing high-quality surplus industrial automation parts. We offer the Siemens JXD63H400 and other essential components, ensuring you get reliable parts at competitive prices with exceptional customer service.

Technical specifications

Poles	3
Current Rating	400A
Voltage Rating	400V AC
Breaking Capacity	25kA
Trip Type	Thermal Magnetic
Mounting	DIN Rail

Common applications

Motor protection

Power distribution

Industrial control panels

Manufacturing equipment

Electrical safety

Commercial buildings

Compatible systems

Industrial power distribution systems Motor control circuits 400V AC power networks

Also known as

Siemens JXD 400A Breaker JXD63H400MCB Siemens 3P 400A Breaker

Replaces / compatible with

Compatible with Siemens JXD series circuit protection components. This model is designed as a direct replacement for other 400A 3-pole breakers within the same application scope.

Technical note

Expert tip

Ensure proper termination torque is applied to the main lugs to maintain reliable connection and prevent overheating under high current loads.

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Frequently asked questions

What is the breaking capacity of the Siemens JXD63H400 circuit breaker?

The Siemens JXD63H400 features a breaking capacity of 25kA (kiloamperes). This indicates its ability to safely interrupt fault currents up to this level, providing essential protection against short circuits and overloads.