Features

• NEMA 4, 7 & 9
• NEC Class I, Groups C & D
• NEC Class II, Groups E, F & G
• NEC Class III
• NEMA Type 4, 4X, 12, and 13

These Explosion-Proof Enclosures are a safe and rugged way to mount digital panel meters in hazardous locations. One or two meter configurations are available. One 3/4" NPT conduit hole is standard. Two or more conduit holes are available by special order. The 2" pipe mounting kit model PDA6545 is available for the PDA2444, PDA2445, and PDA2446 Explosion-Proof Enclosures. The Explosion-Proof Control Stations can be used with explosion-proof meters or with digital panel meters that are mounted in explosion-proof enclosures. These Explosion-Proof Control Stations contain either 1, 2, or 3 switches that can be connected to terminals on Precision Digital meters to control various functions. Enclosures, accessories, and meters are ordered separately.

HAZARDOUS LOCATIONS Apparatus Grouping Typical Gas/Dust/Fibers/Flyings US (NEC) Canada (CEC) US (NEC) Canada (CEC) IEC, CENELEC Acetylene Class I, Group A Group IIC Hydrogen Class I, Group B Ethylene Class I, Group C Group IIB Propane Class I, Group D Group IIA Methane Gaseous Mines* Group I* Magnesium Class II, Group E IEC, CENELEC do not subdivide by material types Coal Class II, Group F Grain Class II, Group G Cotton Class III *Not within scope of NEC or CEC Class I: gas/vapor/mist, Class II: Dust, Class III: fibers/flyings

DIMENSIONS All dimensions are in inches and millimeters (mm) Explosion-Proof Enclosures