The 12 Series is a line of pressure, differential pressure, and temperature switches designed for hazardous locations, featuring a compact 316 stainless steel enclosure and a hermetically sealed microswitch. It is certified for use in Div. 1 and Zone 1 hazardous areas with UL, cUL, ATEX, and IECEx approvals, and complies with ANSI/ISA 12.27.01 and NEC 501.17 for process sealing. The switches use a Belleville spring assembly for vibration resistance and stable set-point performance. Wetted parts are NACE MR-0175 compliant, and optional materials include Hastelloy® and Monel®. Adjustable pressure ranges extend from 30" Hg vacuum to 12,500 psi, and temperature ranges from -130°F to 650°F. A 3-year warranty is provided.
The 12 Series offers process end-users and OEMs, safety and control reliability in a rugged, compact design for alarm and emergency shutdown applications. It is certified to the requirements of ANSI/ISA 12.27.01 and NFPA 70 that stress the importance of properly sealing electrical equipment to prevent process media from entering the electrical conduit system - no additional components or labor required. SIL 2 certification simplifies use in safety instrumented systems (SIS).Typical applications that utilize the 12 Series include offshore production safety panels, rotating equipment, fire suppression systems, BOP accumulator systems, and CO2 injection skids.
| United Electric Controls Company | |
|---|---|
| Product Category | Thermal Switches and Thermal Protectors |
| Product Number | 12 Series |
| Product Name | Hazardous Location Switch |
| Switch Type | Gas-Actuated / Vapor-Tension (Bulb & Capillary) |
| Features | Explosion Proof |
| High Temperature Set Point | 0 to 650 F (-18 to 343 C) |
| Poles | Single Pole, SP (optional feature); Double Pole, DP (optional feature) |
