Square D JJA36225 — 225A 3-Pole 600V I-Line Plug-In Molded Case Circuit Breaker (MCCB)

The Square D JJA36225 is a 225-amp, 3-pole, 600V thermal magnetic molded case circuit breaker (MCCB) with I-Line Plug-In mounting. Part of Schneider Electric's JJ frame series, this high-capacity breaker provides reliable three-phase overcurrent protection for industrial switchboards, large commercial panelboards, and main distribution systems.

Key Specifications

• Part Number: JJA36225
• Brand: Square D / Schneider Electric
• Amperage: 225A
• Poles: 3-Pole
• Voltage Rating: 600VAC
• Frame: JJ Frame (J Frame)
• Mounting: I-Line Plug-In
• Trip Type: Thermal Magnetic
• Standards: UL Listed, CSA Certified

Features & Benefits

• I-Line Plug-In mounting for quick, safe installation in Square D I-Line switchboards and panelboards
• Thermal magnetic trip provides reliable overload and short-circuit protection at 225A
• 3-pole design for simultaneous three-phase protection at up to 600VAC
• JJ frame construction for robust performance in high-demand power distribution environments
• Schneider Electric quality for consistent, long-service-life operation

Common Applications

The JJA36225 is used as a main or feeder circuit breaker in commercial office buildings, industrial facilities, and large distribution panels requiring 225A three-phase protection at 600V in I-Line panelboard systems.