Square D JJA36200YP - 200 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D JJA36200YP — a 200 A, 600 V, 3-pole plug-in molded case circuit breaker designed to shield panelboards and load centers from overcurrent and short circuits. Available from AmpState, this unit delivers reliable protection for residential, commercial, and light industrial electrical distributions, with a fast, straightforward plug‑in installation that minimizes downtime during upgrades or replacements.

• Fast plug‑in connection: enables quick installation and simple replacement in compatible Square D panelboards and load centers, reducing service time on site.
• Thermal‑magnetic trip unit: combines precise long‑term current protection with instantaneous short‑circuit response for stable, repeatable protection performance across varying electrical loads.
• 3‑pole, 200 A, 600 V rating: robust protection for three‑phase systems and main feeders in a compact molded‑case form factor, suitable for demanding applications.
• OEM‑compatible design: engineered to fit matching Square D panels for seamless integration and coordinated protection with existing devices.
• Versatile application range: ideal for residential service upgrades, commercial distribution panels, and light industrial equipment protection.

Technical specifications

• Manufacturer: Square D
• Part Number: JJA36200YP
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage rating: 200 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Plug‑in
• Application: Branch circuit overcurrent and short‑circuit protection

Why this breaker matters for your panels

The JJA36200YP combines a fast plug‑in installation with a dependable thermal‑magnetic trip, giving you predictable protection that reduces nuisance trips while safeguarding wiring and connected equipment. Its 3‑pole design is ideal for three‑phase panel distributions, and the 200 A rating aligns with main feeder protection in many commercial and light industrial settings. By choosing an OEM‑compatible unit, you ensure proper coordination with existing protection schemes and panelboard architecture, preserving system reliability and simplifying future maintenance.

Use cases

• Upgrading or replacing aging breakers in residential or light commercial panels
• Installing or expanding three‑phase distributions in commercial spaces
• Protecting feeders that supply HVAC, motors, lighting, and other electrical loads

Installation and compatibility tips

Ensure the panel or load center is designed for plug‑in, three‑pole protection and that the JJA series matches the OEM specifications of the existing equipment. Follow standard electrical safety practices, confirm appropriate system voltage and conductor sizing, and torque connections per panel manufacturer guidelines to maintain protection performance and code compliance.