Customer Control Panels and Explosion Proof Instrumentation

Thayer Scale has continually developed our in-house capabilities for control panel fabrication.The fabricated assemblies are conceived for use with our weighing and volumetric feeders and can be customized to include ancillary equipment as well. These panels are ready for you to adapt to your specific application by providing finalized wiring diagrams, connecting your field wiring, programming and commissioning. Thayer Scale has satisfied numerous customers with design and fabrication of custom electrical and instrumentation panels and control consoles.

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Customer Control Panels and Explosion Proof Instrumentation

We offer the following services related to custom panel fabrication:

  • Design of Detailed panel internal wiring diagrams
  • Cabinet layout / arrangement drawings
  • Loop diagrams and motor elementary diagrams for connection of field devices
  • Fabrication of AC Drive cabinets
  • Fabrication of Custom Breaker / Power panels
  • Operator interface consoles
  • Complete shop testing services
  • THAYER is a certified UL custom panel shop

EXPLOSION PROOF INSTRUMENTATION

Industrial control panels for hazardous environments are a specialty of Thayer Scale. Our experienced engineers will offer you safe and economical solutions for control panels to be used with hazardous locations, including panels with intrinsically safe circuits.

Explosion Proof Panels may be installed in Class I, II or III, Division 1 Hazardous Locations according to appropriate National Electrical Code (NEC) installation practices. These control panels can consist of a NEMA 7/9 explosion proof enclosure or a general purpose enclosure with purging / pressurization features.

Nitrogen purged panels

Industrial Control Panels with intrinsically safe circuits may be connected to intrinsically safe components (such as load cells, sensors, alarm indicators,, etc.), but the panels MUST NOT be installed in a hazardous location. These panels provide low energy power and signals through special intrinsically safe barriers into the hazardous area. Wiring must be routed in separate raceways and segregated from all power and other circuits. If the wiring is not designed correctly, a fire or explosion could occur. Special fittings are installed in the panel that either prevent the passage of hot gases in the event of an explosion, or the passage of hazardous gases, dust or fibers that could be ignited by the electrical circuits in the panel.

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