Crouse-Hinds series GUB explosionproof instrument enclosures are used to enclose ammeters, voltmeters, wattmeters, varmeters, power factor meters, tachometer indicators, pressure controls, etc., in a threaded rigid metallic conduit system. GUBs are approved for use in Class I and Class II hazardous areas often encountered in oil refineries, chemical plants, paint and varnish manufacturing plants, coal processing locations, grain processing plants, and other industrial applications.
Description
Certifications and compliances
NEC/CEC
- Class I, Divisions 1 & 2, Group D
- Class II, Division 1, Groups E, F, G
- Class II, Division 2, Groups F, G
- Class III
- NEMA/EEMAC: 3, 7D, 9EFG, 12
- UL standard: 1203
- CSA standard: C22.2 No. 30
IEC
- IEC standards: EN60079-0, EN60079-1
- Ex II 2 G Ex d IIC Gb
- PTB 01 ATEX 1019 U


