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Square D NA11124 - Undervoltage Release 240V AC

Square D
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Square D NA11124 is an undervoltage release accessory designed to protect electrical equipment by tripping a circuit breaker when supply voltage drops below a preset threshold. It operates with a control voltage range of 240V AC and is compatible with a wide array of Square D frame types including NA, NAF, NAL, NAP, NC, NCF, NCL, NCP, NE, NEF, NEL, NEP, NX, NXF, NXL, and NXP, as well as LA/LH Frame Series 4 and Q4 breakers. This unit weighs 2 lb and connects via a 1 sq mm flying lead, with a tightening torque specification of 0.7-1 Nm. It is part of the Square D Series and is built to industry standards for reliable undervoltage protection in industrial environments. Typical applications include preventing motor re-acceleration and equipment damage in manufacturing and process control systems.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Under Voltage Release
  • Family: Square D Series
  • Type: NA
  • Weight: 2 lb
  • Control Voltage Minimum: 240 V AC
  • Control Voltage Maximum: 240 V AC
  • Compatible Frames: NA, NAF, NAL, NAP, NC, NCF, NCL, NCP, NE, NEF, NEL, NEP, NX, NXF, NXL, NXP
  • Part Number: NA11124
  • Type: Undervoltage Trip Accessory
  • Voltage Rating: 240 V AC
  • Compatible Frame Series: LA/LH Frame Series 4, Q4
  • Connection Type: 1 sq mm Flying Lead
  • Tightening Torque: 0.7-1 Nm
  • Application: Circuit Breaker Undervoltage Protection