ITE | E43B030 | Circuit Breaker | 3-Pole | Bolt-On

The ITE E43B030 Circuit Breaker is a purpose-built 3-pole bolt-on protection device designed for maintenance, retrofit, and replacement within compatible electrical panels. Built to support three‑phase systems, this breaker helps you safeguard equipment, reduce downtime, and maintain reliable electrical operation without overhauling your entire panel.

Why this 3-Pole Bolt-On Breaker stands out

• Three‑pole design delivers balanced protection across all phases in 3‑phase electrical systems, helping prevent uneven loading and equipment stress.
• Bolt‑on mounting offers a secure, field‑installable connection that stays put under operation, simplifying replacement and service procedures.
• Clear compatibility reference the part number E43B030 is your best anchor for matching the exact frame and fit within compatible panels, making retrofit and replacements more predictable.
• Maintenance and retrofit ready specifically chosen for scenarios where existing hardware needs to be refreshed or upgraded with minimal panel disruption.

How to use it effectively

This breaker is ideal when you’re upgrading an aging installation, performing routine maintenance, or replacing a worn‑out unit in a panel that accepts ITE three‑pole bolt‑on devices. Start by confirming the panel’s model and the bus configuration to ensure a proper match. Use the E43B030 as the primary reference point for compatibility, and verify that the device’s ratings align with your system’s voltage, current limits, and interrupting requirements before ordering.

Key considerations for compatibility and safe installation

• Confirm fit and ratings before ordering. Use the part number E43B030 as the baseline reference to ensure it matches your panel’s frame, bus arrangement, and required electrical ratings.
• Panel documentation matters review the panel’s manufacturer literature to verify that a 3‑pole bolt‑on breaker is the correct specification for your enclosure.
• Electrical safety first follow standard lockout/tagout procedures and consult a qualified electrician when replacing or retrofitting breakers in live systems.
• Mounting and connections ensure the breaker is securely bolted to the panel and that line/load connections are oriented per the panel’s wiring diagram to maintain proper protection and trip behavior.

Who benefits from the ITE E43B030

• Facilities managers overseeing three‑phase industrial or commercial electrical systems that require dependable retrofit options.
• Electrical contractors performing panel upgrades, maintenance, or replacements where a precise part reference accelerates procurement and reduces install risk.
• Maintenance teams seeking straightforward, drop‑in replacements that minimize downtime during routine service windows.

Practical tips and insights

To get the most from this breaker, align it with the surrounding protection scheme in your panel. Because today’s panels often evolve with evolving load profiles, pairing a reliable replacement like the ITE E43B030 with a review of overall panel protection strategy can help maintain system reliability. If you’re replacing an older unit, compare the original part number and frame to ensure the E43B030’s geometry, mounting footprint, and bus compatibility are an exact match. When in doubt, consult your panel’s documentation and verify all ratings, including voltage, current, and interrupting capacity, to avoid mismatches that could impact performance.

Specifications at a glance

• Poles: 3‑Pole
• Mounting: Bolt‑On
• Part reference: E43B030
• Brand: ITE

Add the ITE E43B030 to your next panel maintenance, retrofit, or replacement project to ensure a well‑matched, durable three‑phase protection solution. Rely on the part number as your best guide for compatibility, and approach installation with careful verification of panel specifications to keep your electrical system protected and performing as intended.