Service:Liquids compatible with wetted materials.Wetted Materials:Float: Solid polypropylene or 304 SS; Lower Body: Brass or 303 SS; Magnet: Ceramic; External Float Chamber (Tee): Matches lower body choice of brass or 303 SS; Other: Lever Arm, Spring, Pin, etc.: 301 SS.Temperature Limits:-4 to 220°F (-20 to 105°C) standard, MT high temperature option 400°F (205°C) (MT not UL, CSA, ATEX, IECEx and KC). ATEX compliant AT, IECEx IEC and KC option ambient temperature -4 to 167°F (-20 to 75°C) process temperature: -4 to 220°F (-20 to 105°C).Pressure Limits:See model chart on Catalog Page.Enclosure Rating:Weatherproof and Explosion-proof. Listed with UL and CSA for Class I, Groups A, B, C and D; Class II, Groups E, F, and G. (Group A on SS body models only.) ATEX CE 0344 EX II 2 G EEx d IIC T6 Process Temp ≤ 75°C. EC-Type Certificate No: KEMA 04ATEX2128. ATEX Standards: EN 60079-0: 2009; EN60079-1: 2007. IECEx Certified: For Ex d IIC T6 Gb Process Temp = 75°C. IECEx Certificate of Conformity: IECEx DEK II.0039. IECEx Standards: IEC 60079-00: 2007; IEC 60079-1: 2007. Korean Certified (KC) for Ex d IIC T6 Gb Process Temp=75°C. KTL Certificate Number: 2012-2454-75.Switch Type:SPDT snap switch standard, DPDT snap switch optional.Electrical Rating:UL models 5 A @ 125/250 VAC (V~). CSA, ATEX, and IECEx models: 5 A @ 125/250 VAC (V~); 5 A res., 3 A ind. @ 30 VDC (V~). MV option: .1 A @ 125 VAC (V~). MT option: 5 A @ 125/250 VAC (V~). [MT option not UL, CSA, ATEX, or IECEx].Electrical Connections:UL models: 18 AWG, 18″ (457.20 mm) long. ATEX/CSA/IECEx models: terminal block.Upper Body:Brass or 303 SS.Conduit Connection:3/4″ (19.05 mm) male NPT standard, 3/4″ (19.05) female NPT or M25 with BSPT option on junction box models.Process Connection:1″ (25.40 mm) male NPT or 1″ (25.40 mm) male BSPT on models without external float chamber, 1″ (25.40 mm) female NPT or 1″ (25.40 mm) female BSPT on models with external float chamber.Mounting Orientation:Horizontal with index arrow pointing down.Specific Gravity:See chart on Catalog page.Weight:Approximately 1 lb (.5 kg) without external float chamber, 1.75 lb (.8 kg) with external float chamber.Agency Approvals:ATEX, CE, CSA, IECEx, KTL, UL.