ITE | BL390 | Circuit Breaker | 3-Pole | Bolt-On

Experience reliable three‑pole protection with the ITE BL390 Circuit Breaker. Designed for maintenance, retrofit, and replacement tasks, this 3‑pole bolt‑on breaker is built to integrate seamlessly into compatible panels where exact specs matter. When you need to preserve system integrity and minimize downtime, the BL390 is a thoughtful, hands‑on solution that technicians trust.

Overview

The ITE BL390 is a 3‑pole circuit breaker purpose‑built for bolt‑on mounting in compatible electrical panels. Its straightforward bolt‑on design simplifies installation and ensures a sturdy, vibration‑resistant fit in demanding environments. Use it as a precise drop‑in replacement or as part of a controlled retrofit to update protection in your three‑phase circuits.

Why the BL390 Stands Out

• Three‑pole protection in one unit. Provides dedicated fault protection for all three conductors in a three‑phase system, helping prevent cascading outages and equipment damage.
• Bolt‑on mounting for secure installation. Designed to attach directly to panels with bolt‑on compatibility, delivering robust mechanical retention and simplifying serviceability in the field.
• Part‑number driven compatibility. The BL390 is the referenced part number to confirm fit within your panel’s specifications—use this as your compatibility anchor during ordering.
• Maintenance, retrofit, and replacement ready. Ideal for updating legacy systems, restoring protection after a component failure, or stocking as a ready spare for critical infrastructure.

Ideal Use Scenarios

• Maintenance shutdowns in industrial facilities where three‑phase protection must be restored quickly with a known, compatible part.
• Retrofits that require upgrading protection in panels designed for bolt‑on breakers without reconfiguring the enclosure.
• Spare parts strategy for service teams managing multiple sites with standardized ITE components.

Compatibility and Installation Tips

• Always confirm fit and ratings before ordering. The BL390’s compatibility hinges on panel type and the required current, voltage, and interrupting ratings.
• Use the BL390 part number as the primary reference when cross‑checking with your panel documentation and manufacturer recommendations.
• Ensure the panel accepts bolt‑on, 3‑pole protection and that mounting hardware aligns with your enclosure’s design.
• During replacement, power down the circuit, verify zero voltage, and follow lockout/tagout procedures to protect technicians and equipment.

What You’ll Achieve

With the ITE BL390, you gain a well‑specified, three‑phase protection device that prioritizes reliable operation and efficient serviceability. It supports disciplined maintenance cycles, reduces downtime during replacements, and helps you maintain consistent protection across your three‑phase installations. When the requirement is clear compatibility, straightforward bolt‑on installation, and dependable circuit protection, the BL390 delivers with precision.