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Square D KC11121 - Undervoltage Release 120 VAC (2 lb)

Square D
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Square D KC11121 is an undervoltage release accessory designed to protect molded case circuit breakers by automatically tripping the breaker when the control voltage drops below a safe threshold. This unit operates at a control voltage of 120 VAC, with a minimum and maximum rating of 120 volts, ensuring precise undervoltage protection for connected equipment. Weighing 2 lb, it is a compact accessory built for integration into Square D Series circuit breaker frames. The device is compatible with KC, KCF, KCL, KCP, KI, KIF, KIL, and KIP frame circuit breakers, making it suitable for industrial and commercial electrical systems requiring reliable voltage monitoring. As a Square D (Schneider Electric) component, it meets industry standards for molded case circuit breaker accessories.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Under Voltage Release
  • Family: Square D Series
  • Type: KC
  • Weight: 2 lb
  • Control Voltage Minimum: 120 VAC
  • Control Voltage Maximum: 120 VAC
  • Compatible Frames: KC, KCF, KCL, KCP, KI, KIF, KIL, KIP
  • Part Number: KC11121
  • Device Type: Undervoltage Release
  • Application: Molded case circuit breaker accessory