Square D | FAB36020 | Circuit Breaker | 20A | 3-Pole | 600V | Bolt-On

Introducing the Square D FAB36020 circuit breaker—a precise, 20A, 3-pole unit rated for 600V that uses bolt-on mounting for rugged, reliable service. Engineered for maintenance, retrofit, and replacement projects where exact specs matter, this breaker delivers dependable protection for demanding electrical environments.

Key specifications

• Amperage: 20A — targeted overcurrent protection for three-phase circuits
• Poles: 3-Pole — safeguards all three hot legs in three-phase systems
• Voltage rating: 600V — suitable for higher-voltage motor control and distribution
• Mounting style: Bolt-On — secure, durable installation designed for robust service
• Part reference: FAB36020 — use this number to verify compatibility with your panel

Notes: Confirm fit and ratings before ordering. The FAB36020 part number is the best reference for compatibility with your panel and system.

What problems does it solve?

For professionals managing maintenance or retrofits, this 20A, 3-pole breaker ensures all three phases are protected together, preventing partial protection that can lead to equipment damage or unexpected downtime. Its 600V rating expands its applicability to higher-voltage applications, while the bolt-on design supports quick, secure field installation.

Ideal use cases

• Replacement for worn or failed 3-pole breakers in Square D panels
• Retrofit projects converting to robust 3-phase protection in industrial settings
• Spare part in maintenance stock to minimize downtime during servicing

Installation tips

• Verify compatibility with your specific panel model and bus style using the FAB36020 reference
• Follow panel manufacturer torque specs for bolt-on terminations
• Ensure adequate heat clearance and ventilation around the breaker inside the enclosure

Why choose Square D FAB36020?

Beyond the core specs, this bolt-on, 3-pole breaker provides reliable, comprehensive protection for three-phase circuits up to 600V. It’s a practical, durable solution for industrial control panels, motor-driven equipment, and distribution panels that demand straightforward maintenance and a precise match to original specifications.