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Square D S33673 - Under-Voltage Release for 380/480VAC Systems

Square D
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Square D S33673 is a PowerPact under-voltage release module designed to automatically trip compatible circuit breakers when the control voltage drops below a safe operational threshold, providing critical protection against low-voltage conditions. It operates with a control voltage range of 480VAC and is rated for system voltages of 380/480VAC. The unit is constructed with a compact form factor, measuring 78.49 mm in depth by 112.78 mm in width and weighing 0.5 lb, and is certified to UL and IEC standards for industrial safety and performance. This module is engineered for integration with a wide range of PowerPact breaker frames including MG, MJ, PG, PJ, PK, PL, RG, RJ, RK, and RL, making it suitable for industrial power distribution and motor control applications where reliable undervoltage protection is required.

Key Features & Specifications
  • Type: PowerPact Under-Voltage Release Module
  • Voltage Rating: 380/480VAC
  • Control Voltage: 480VAC
  • Dimensions: 78.49 mm (Depth) x 112.78 mm (Width)
  • Weight: 0.5 lb
  • Standards: UL, IEC Certified
  • Compatible Frames: MG, MJ, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Country of Origin: United States


Product Identification
  • UPC: 785901528944
  • GTIN: 00785901528944