ITE | HJ3B300 | Circuit Breaker | 300A | 3-Pole | 600V | Bolt-On

ITE HJ3B300 Circuit Breaker is a robust, bolt-on protection solution designed for demanding electrical environments. With a 300A rating, 3-Pole configuration, and a 600V rating, this device is built to safeguard your equipment and personnel in industrial control panels, switchgear, and retrofit projects.

• Amperage: 300A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part number: HJ3B300

This unit shines in maintenance, retrofit, and replacement scenarios where exact specs matter. The bolt-on design provides secure mounting and reliable electrical contact, making it a dependable choice for panel upgrades, service disconnects, or modernization of legacy equipment. When you’re upgrading or swapping out protection devices, the HJ3B300 offers a straightforward, field-installable solution without compromising performance.

Why choose this model? It combines high-current protection with a compact 3-pole footprint, suitable for applications that require synchronized phase protection and coordinated tripping. The 600V rating supports a broad range of industrial systems, while the 300A capacity handles substantial load demands typical in manufacturing, processing, and heavy equipment environments.

Ideal use cases include:

• Retrofits where exact specifications matter for compatibility with existing gear
• Maintenance replacements to restore original protection levels
• New installations in control panels that demand a bolt-on, secure mounting
• Service disconnects where dependable current limitation and quick isolation are critical

Important ordering note: Confirm fit and ratings before ordering. The part number HJ3B300 is the best reference for compatibility with your equipment. If your panel or switchgear documentation shows HJ3B300, you’re likely to achieve a seamless swap with minimal downtime.

Practical tips for installation and use:

• Inspect mounting surfaces and ensure clean, unobstructed bolt holes before installation.
• Verify electrical clearances and wiring alignment to maintain proper protection and ease of maintenance.
• Document the swap with the part number and panel specs to simplify future replacements or upgrades.