The 1000 series Type Y purge system is rated for Class I, Division 1 to Division 2 area applications or Class II, Division 1 to Division 2 applications.
UL, cUL & FM classified
Conforms to NFPA 496 & ISA 12.4 standards
Note: Vents are required for most Type Y purge enclosures
1001A: Class I Enclosure Volumes ≤ 2 ft3 and Class II Enclosure Volumes ≤10 ft3 , WPS Only
1001B: Class II Enclosure Volumes ≤ 50 ft3
1001C: Class II Enclosure Volumes ≤ 250 ft3
1002: Class I Enclosure Volumes ≤ 15 ft3
1003: Class I Enclosure Volumes ≤ 75 ft3
1004: Class I Enclosure Volumes ≤ 200 ft3
1005: Class I Enclosure Volumes ≤ 450 ft3
11: Class I Enclosure Volumes ≤ 2 ft3 and Class II Enclosure Volumes ≤10 ft3 , WPS and WPSA