Appleton Drain, Breather, Universal Drain Catalog Page
Drain, Breather, Universal Drain or Breather
Hazardous Location Fittings: nEc/cEc ExpLosionprooF drain and BrEatHErs
© November 2016
Explosionproof, Dust-Ignitionproof
NEC/CEC:
Class I, Division 1 and 2, Groups B, C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
Applications
• To provide a means for the prevention and/or release of
condensation when properly installed in the appropriate
location.
Features
• Accurately tapped, tapered threads for tight, rigid joints and
ground continuity.
Standard Materials
• Hazardous location combination drain/breathers: stainless steel
• Non-hazardous CRN drains: copperfree (4/10 of 1% max.)
aluminum
Standard Finishes
• Stainless steel: natural nish
• Aluminum: natural nish
Options
• CRN: steel/zinc electroplate add sufx -S.
NEC/CEC Certifications and Compliances
• UL Standard: 886 (1203)
• UL Listed: E10444
• CSA Standard: C22.2 No. 30
• CSA Certied: 065181
ECD50B4X
Illustrated Features
Drain Fittings:
Generally installed at bottom
of enclosure housing to drain
moisture caused by condensation.
Breather Fittings:
Generally installed at top
of enclosure housing to
minimize condensation.
ECDB38
CRN38
Universal Drain-Breather Fittings:
Generally installed at top and/or bottom of enclosure housing. The
features of a drain fitting and a breather fitting are combined into
one fitting.
Items in the shaded area on the following page are UL Listed for Class I, Groups B, C, D; Class II, Groups E, F, G; Class III.
674
Drain, Breather, Universal Drain or Breather
Hazardous Location Fittings: nEc/cEc ExpLosionprooF drain and BrEatHErs
© November 2016
Explosionproof, Dust-Ignitionproof
NEC/CEC:
Class I, Division 1 and 2, Groups B, C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
ECDB50HP
ECDB50B
ECDB38
Type
Trade Size
(Inches)
Catalog
Number
NEMA 3R Universal Drain or Breather
For high performance water drainage or continuous ventilation. 1/2 ECDB50HP
NEMA 4X Breather
For continuous ventilation. 1/2
BRTB4X
NEMA 4X Drain
For automatic water drainage. 1/2
BRTB4X
ECD50B4X
NEMA 3R Group B Universal Drain or Breather
Raintight. For automatic water drainage or continuous ventilation.
3/8
1/2
ECDB38B
ECDB50B
Groups C and D Universal Drain or Breather
ECD50B4X
For automatic water drainage or continuous ventilation.
3/8 ECDB38
Non-Hazardous Location Drain
3/8 CRN38
CRN50
1/2 CRN50
3/4 CRN75
Also suitable for Class I, Division 2. Not UL Listed.
Indicates items in the shaded area which are UL Listed for Class I, Groups B, C, D; Class II, Groups E, F, G; Class III.
675
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