Grace Engineered Products SAFESIDE R-3W2, Installation And Operating Instructions Manual, Page: 2 / 13

R-3W2
Page 1 of 12
Class I Groups: A (acetylene), B (hydrogen), C (ethyl-ether vapors, ethylene or
cyclopropane), D (gasoline, hexane, naptha, benzene, butane, propane, alcohol,
acetone, benzol, lacquer solvent vapors, or natural gas)
Division 2 : Ignitable concentrations of gases, vapors, or liquids are not likely
present under normal operating conditions
Haz Loc Normal Atmospheric Conditions:
a) -25
°
C to +40
°
C ambient b) 21%
Max. Oxygen concentration per volume c) barometric pressure range of 80 kPa (0.8
bar) to 110 kPa (1.1 bar)
AUXILIARY DEVICE SUITABLE FOR USE IN
CLASS I, DIVISION 2 (or ZONE 2), GROUPS A, B, C, D
HAZARDOUS LOCATIONS, or NONHAZARDOUS LOCATIONS ONLY
EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT
WHILE THE CIRCUIT IS LIVE OR UNLESS THE AREA IS
KNOWN TO BE FREE OF IGNITABLE CONCENTRATIONS.
BE SURE POWER IS SHUT OFF PRIOR TO INSTALLING THIS DEVICE!
Universal Power Alert R-3W2
UL NEC CLASS I, DIVISION 2
Patented