The Schneider Electric Merlin Gerin CKAEF36121LIERL is a molded case circuit breaker (MCCB) designed for robust electrical system protection. This unit is part of the CKAEF series, engineered to safeguard against overcurrent conditions in demanding industrial environments. With a substantial current rating and high voltage capacity, it is suitable for heavy-duty power distribution and motor control applications.

Technical details

• Series: Merlin Gerin CKAEF
• Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 1200A
• Maximum Voltage: 600V
• Frame Size: EF
• Trip Unit Type: Electronic (indicated by 'LIERL' suffix, suggesting Long-time, Instantaneous, Earth Fault, and possibly other adjustable settings)
• Number of Poles: 3 (implied by standard MCCB configurations for this rating, though not explicitly stated in provided info)
• Mounting Type: Fixed (typical for this frame size and application)
• Terminal Type: Screw terminals (common for high current applications)

Applications & compatibility

This Schneider Electric MCCB is commonly deployed in heavy industrial settings such as manufacturing plants, power generation facilities, and large commercial buildings. It is ideal for protecting main feeders, large motor circuits, and distribution panels where reliable overcurrent protection is critical. The CKAEF series is known for its durability and performance in applications requiring precise trip characteristics.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Merlin Gerin CKAEF36121LIERL or contact our technical team for cross-reference assistance with compatible Merlin Gerin components.