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Joslyn Clark TB139-1 - NEMA Control Relay (120V, TB Series)

Joslyn Clark
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Joslyn Clark TB139-1 is a NEMA-rated control relay accessory designed for motor control and auxiliary circuit switching in industrial applications. It operates at a 120V control voltage and is constructed as a durable, compact unit with a weight of 2 lb for integration into panel systems. This component is engineered for compatibility with Joslyn Clark WPS, WPH, WPF, and WPX series contactor frames, ensuring reliable performance in demanding environments. Typical applications include providing auxiliary contacts for interlocking, signaling, and control logic within motor starter assemblies.

Key Features & Specifications
  • Type: TB Series NEMA Control Relay Accessory
  • Voltage Rating: 120V
  • Compatible Frames: WPS, WPH, WPF, WPX
  • Weight: 2 lb
  • Family: TB Series
  • Item Subcategory: Nema Control Relays & Accessories


Product Identification
  • UPC: 074976168580
  • GTIN: 749762000000