MTL Introduces Surge Protector for Field Mounted Transmitters

  • October 03, 2005
  • News
W. Melbourne FL... MTL introduces the first surge protector specifically designed for 4 wire, multivariable transmitters. Now in one package, the TP24/7 from MTL Surge Technologies delivers powerful protection without the hassle of building two surge protectors into an enclosure. The TP24/7 consists of high-power, solid-state electronics and a gas-filled discharge tube capable of diverting 10kA impulses. The unit is encased in ANSI 316 stainless steel conduit housing, threaded for the common conduit. Versions are available for 1/2” NPT, 20mm ISO, and G 1/2” (BSP 1/2”) threaded entries. The TP24/7 is specifically designed for multivariable transmitters and level transmitters. It features:
  • Four wires protected, one pair at 12V to 24V and one pair at 7V (e.g. RS-485)
  • Easy and direct mounting – simply screw into spare conduit entry
  • FM, CSA and ATEX approved
  • Parallel connection avoids introduction of any resistance into the loop
  • 10 year product warrantyGrounding is made to the local casing of the transmitter . In operation, the TP24/7 makes sure that the transmitter electronics are never exposed to damaging transients between lines or between lines and casing/ground. For hazardous area use, approvals for both intrinsically safe and flameproof (explosion proof) operation are available, in all gas groups and apparatus temperature classification up to T4. Where transmitters are used in circuits suitable for Div 2/Zone 2 installations, the TP24/7 can be added without adversely affecting the level of safety.MTL Surge Technologies is the leader in the design, manufacture and marketing of electronic devices for the surge protection of control and instrumentation located in both hazardous areas and non hazardous areas. The broad range of surge products available, makes MTL Surge Technologies a one-stop shop for all process surge requirements. For more information about MTL Surge Technologies and its surge protection products, visit our web site at www.mtlsurge.com.

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