Square D GJL36020 20A 3P 600V Circuit Breaker | AmpState

Meet the Square D GJL36020 20A 3P 600V Circuit Breaker — a purpose-built solution for everyday electrical protection in panelboards, load centers, and distribution centers. This three-pole device is designed to manage 3‑phase circuits up to 600V, delivering reliable shutdown when faults occur and helping keep your electrical system safe and compliant.

Why technicians choose the GJL36020 for retrofit and maintenance:

• Consistent part-number availability: Ideal for retrofit projects and service plans where you need to source the exact same component every time to minimize downtime.
• 3‑pole, 20A configuration: Suited for standard 3‑phase circuits common in commercial and light industrial settings, providing balanced protection across all phases.
• Panel and distribution compatibility: Designed to integrate with Square D panelboards and load centers that accept GJL‑series breakers, streamlining upgrades and replacements.

Key specifications at a glance

• Amperage: 20 A
• Poles: 3
• Voltage rating: 600V
• Manufacturer: Square D
• Part number: GJL36020

Practical use cases

• Retrofit projects where the exact part number must be maintained to match existing panels and documentation.
• Maintenance planning for facilities with three‑phase electrical distribution, ensuring consistent protection across all phases.
• New installations in commercial environments that require reliable 3‑pole, up to 600V circuit protection.

When you’re sourcing, trust AmpState to provide the right part with confidence. If you’re unsure about compatibility or fit, message us and we’ll help confirm that the Square D GJL36020 is the correct choice for your panel model and system configuration.