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Siemens HJX3B350 3-Pole 350A Molded Case Circuit Breaker

Siemens HJX3B350 3-pole 350A molded case circuit breaker.

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ManufacturerSiemens

Part numberHJX3B350

Poles 3

Amperage Rating 350A

Voltage Rating 600V AC

Interrupting Capacity 35kA at 480V

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Veteran-owned

CAGE: 9NK75

3-pole configuration 350A continuous current Thermal-magnetic trip unit High interrupting capacity Robust molded case

Product description

The Siemens HJX3B350 is a reliable 3-pole molded case circuit breaker (MCCB) designed to provide robust overcurrent protection for industrial electrical systems. It features a 350 Ampere rating and a substantial interrupting capacity, ensuring safety and operational continuity in high-power applications. Its construction is intended for durability in demanding industrial environments.

This MCCB is well-suited for main feeder protection, large motor loads, and distribution panels in manufacturing plants, processing facilities, and large commercial structures. It offers dependable performance where robust circuit protection is essential.

Stanlo Automation, a veteran-owned surplus parts distributor, is your go-to source for quality industrial components. We offer the Siemens HJX3B350 to help you minimize downtime and maintain efficient operations. Trust Stanlo Automation for your essential circuit breaker needs.

Technical specifications

Poles	3
Amperage Rating	350A
Voltage Rating	600V AC
Interrupting Capacity	35kA at 480V
Frame Size	630A

Common applications

Industrial power distribution

Motor protection

Feeder circuits

Electrical switchgear

Commercial buildings

Compatible systems

Industrial power distribution Large motor control Switchgear and panelboards

Also known as

Siemens HJX Series breaker HJX3B350 MCCB 350 Amp Siemens 3-pole breaker

Replaces / compatible with

This breaker is designed to be a reliable replacement for other Siemens HJX series MCCBs and similar frame-sized circuit breakers.

Technical note

Expert tip

For optimal performance, ensure the ambient temperature surrounding the breaker is within the manufacturer's recommended operating range.

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Frequently asked questions

What is the voltage rating for the Siemens HJX3B350 circuit breaker?

The Siemens HJX3B350 molded case circuit breaker has a voltage rating of 600V AC. This makes it suitable for use in standard industrial and commercial power distribution systems operating at this voltage level.