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Siemens JXD23B400 3-Pole 400A 240V Molded Case Circuit Breaker

Siemens JXD23B400 3-pole, 400A, 240V molded case circuit breaker.

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ManufacturerSiemens

Part numberJXD23B400

Type JXD

Poles 3

Ampere 400A

Volt 240V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

3-Pole configuration 400 Amp rating 240 Volt AC 65kA interrupting capacity Thermal Magnetic trip LI trip function

Product description

The Siemens JXD23B400 is a 3-pole, 3-phase molded case circuit breaker from the Sentron Series, designed for robust electrical protection. It features a 400 Amp rating, a 240 Volt AC voltage rating, and a 65kA interrupting capacity at 240V. This breaker utilizes a thermal magnetic trip unit for comprehensive overcurrent protection.

Ideal for industrial and commercial applications, this circuit breaker provides reliable performance in panelboards, switchboards, and motor control centers. Its LI (Long-Time and Instantaneous) trip functions offer protection against both overload and short-circuit conditions.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens JXD23B400. We provide high-quality industrial automation components and ensure timely delivery to keep your operations running efficiently.

Technical specifications

Type	JXD
Poles	3
Ampere	400A
Volt	240V AC
Phase	3
AIC Ratings	65kA@240V
Protection	Thermal Magnetic
Functions	LI (Long-Time and Instantaneous)

Common applications

Commercial applications

Industrial electrical systems

Panelboards

Switchboards

Motor control centers

Power distribution

Compatible systems

Siemens Sentron Panelboards Switchboards Motor Control Centers

Also known as

Siemens JXD23B400 Sentron JXD23B400 400 Amp 3 Pole Breaker

Replaces / compatible with

The JXD23B400 is part of the older Sentron series and is being superseded by the Siemens 3VA platform. It is a reliable choice for existing installations within compatible Siemens systems.

Technical note

Expert tip

This JD frame breaker is suitable for reverse feed applications and is HACR rated, making it versatile for various installation requirements.

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Frequently asked questions

What are the key protection features of the Siemens JXD23B400 circuit breaker?

The Siemens JXD23B400 features a thermal magnetic trip unit with LI (Long-Time and Instantaneous) protection. This provides protection against both prolonged overloads and sudden short circuits.