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The explosion/flame proof connection heads shown below are designed for use in hazardous locations. Please refer to page AC-7 for descriptions, specifications and ratings for each head. See the "Overview of NEC Hazardous Location Classifications and Methods of Protection" table in the Explosion-Proof (XP) Sensors section of the Pyromation catalog for complete definitions of ratings.
Unit of Measure

Specifications

Brands

 N/A Pyromation®

Configuration Code

 N/A HB01

Ceramic Terminal Blocks (Not available with 215807 head)

 N/A Code 341 - Single terminal block Code 342 - Duplex terminal block Code 343-2 - Triplex terminal block with 2 brass terminals Code 343-3 - Triplex terminal block with 3 brass terminals Code 343-4 - Triplex terminal block with 4 brass terminals Code 343-6 - Triplex terminal block with 6 brass terminals Code 341 - Up to 8 AWGCode 342 - Up to 8 AWGCode 343-2 - Up to 12 AWGCode 343-3 - Up to 12 AWGCode 343-4 - Up to 12 AWGCode 343-6 - Up to 12 AWG

DIN Form B Style Ceramic Terminal Blocks

 N/A Code 210304 - Duplex terminal block Code 210332 -Triplex terminal block with 2 brass terminals Code 210333 - Triplex terminal block with 3 brass terminals Code 210334 - Triplex terminal block with 4 brass terminals Code 210336 - Triplex terminal block with 6 brass terminals Code 210304 - Up to 16 AWGCode 210332 -Up to 16 AWGCode 210333 - Up to 16 AWGCode 210334 - Up to 16 AWGCode 210336 - Up to 16 AWG

Explosion/Flame-Proof Aluminum

Process Opening Size (Aluminum)

 N/A Code 93C - 1/2 in. National Pipe Thread (NPT) Code 93D - 3/4 in. National Pipe Thread (NPT)

Conduit Opening Size (Aluminum)

 N/A Code 93C - 3/4 in. National Pipe Thread (NPT) Code 93D - 3/4 in. National Pipe Thread (NPT)

Standard Gasket Material (Aluminum)

 N/A Code 93C - Buna N O-ring Code 93D - Buna N O-ring

Explosion/Flame-Proof 316 Stainless Steel

Process Opening Size (316 Stainless Steel)

 N/A Code 94C - 1/2 in. National Pipe Thread (NPT) Code 94D - 3/4 in. National Pipe Thread (NPT)

Conduit Opening Size (316 Stainless Steel)

 N/A Code 94C - 3/4 in. National Pipe Thread (NPT) Code 94D - 3/4 in. National Pipe Thread (NPT)

Standard Gasket Material (316 Stainless Steel)

 N/A Code 94C - Buna N O-ring Code 94D - Buna N O-ring

Explosion/Flame-Proof Aluminum DIN Style

Process Opening Size (Aluminum DIN Style)

 N/A Code 215807 - 1/2 in

Conduit Opening Size (Aluminum DIN Style)

 N/A Code 215807 - 3/4 in

Standard Gasket Material (Aluminum DIN Style)

 N/A Code 215807 - Buna N O-ring