Square D | DJA34250E20 | Circuit Breaker | 250A | 3-Pole | 480V

The Square D DJA34250E20 circuit breaker is a robust, three‑phase protection solution designed for 480V systems. With a 250A rating and a 3‑pole configuration, it’s built for maintenance, retrofit, and replacement projects where exact specifications are non‑negotiable. When order certainty matters, trust the DJA34250E20 part number as the best reference for compatibility and fit.

Key specifications at a glance

• Amperage: 250A
• Poles: 3‑Pole
• Voltage: 480V
• Part number: DJA34250E20
• Note: Confirm fit and ratings before ordering; the DJA34250E20 reference is the best compatibility guide

Why this 250A, 3-Pole 480V breaker matters

Designed for demanding 480V three‑phase environments, this Square D breaker provides reliable protection for feeders and main circuits in industrial panels. Its 250A rating makes it suitable for larger distribution paths, helping to prevent overloads and minimizing unplanned downtime. The 3‑pole construction ensures synchronized protection across all three phases, which is essential for balanced motor loads and complex machinery common in manufacturing, logistics, and facility infrastructure.

Ideal applications and use cases

Use the DJA34250E20 for:

• New installations in 480V three‑phase panels that require a precise 250A, 3‑pole component
• Retrofits where an exact DJA34250E20 specification match is needed to maintain circuit protection coordination
• Maintenance downtime planning, enabling quick replacement with an identical part to minimize disruption
• Repairs in industrial settings such as manufacturing floors, data centers, and large commercial facilities with 480V distribution

How it supports reliability and safety

Choosing the right protection device is critical for system reliability. This DJA34250E20 delivers:

• Stable, phase-aligned protection across a three‑phase load
• Consistent performance aligned with Square D’s engineering standards
• Clear compatibility signals through the dedicated part number, reducing guesswork during replacement

Practical guidance for selection and installation

• Always verify your panel model and the required current rating before ordering; the DJA34250E20 is the best reference for compatibility
• Confirm that your system operates at 480V and uses a three‑phase distribution to justify the 3‑pole configuration
• Plan for proper wiring and mounting alignment per your panel’s design and the installer’s guidelines
• Document the part number during procurement to ensure future maintenance and replacements stay aligned with the exact specification

In scenarios where exact spec matching is essential, the Square D DJA34250E20 circuit breaker stands out as a precise, dependable choice for 480V three‑phase protection. It’s the targeted solution for professionals conducting maintenance, retrofit, or replacement work in industrial electrical systems.