Your Heating Specialist since 1949
DHCX Hazardous-Area Rated Drum Heater
Product Highlights
Hazardous-area rated *
Dual set-point NEMA 7 temperature controller connected to a high temperature limit indicator light
Exceptional durability and flexibility for a wide range of metal drum heating applications
Extra-wide 8 ” ( 203mm ) silicone rubber band Patented grounded heating element meets NEC 427.23 Moisture , chemical , and radiation resistant
Heating element is laminated between two layers of 23mil and two layers 27mil fiberglass reinforced silicone rubber
FM
APPROVED
Class I Division 2 Groups A *, B , C , and D Class II Division 2 ,
Groups F and G
DHCX
CONTAINER HEATERS
FM APPROVED
* Class I Division 2 Groups A , only for drum heater without NEMA 7 temperature controller .
Specifications :
• Power Density : 2.50 W / in 2 ( 0.39 W / cm 2 )
• Voltage Options : 120VAC or 240VAC
• Exposure Temperature : -60 ° F to 400 ° F ( -51 ° C to 204 ° C )
• Dielectric Strength : Over 2000 volts
• Silicone Rubber Density : 104 oz / yd 2 ( 3526 g / m 2 )
• High-limit thermostat designed to keep blanket below NEC article 500 T-Rating
Ordering Information :
For T3 Environments
Gallon ( Liter ) Size
Diameter in ( mm )
Total Wattage
Length in ( mm )
Width in ( mm )
120VAC
Part Number
240VAC 30 ( 114 ) 18.6 ( 473 ) 1000 58.5 ( 1486 ) 8 ( 203 ) DHCX131000T3 DHCX231000T3 55 ( 208 ) 22.3 ( 566 ) 1300 70.0 ( 1778 ) 8 ( 203 ) DHCX151300T3 DHCX251300T3
For T4A Environments
Gallon ( Liter ) Size
T Rating NEC Temperature Actual High Limit Thermostat T3 392 ° F ( 200 ° C ) 292 ° F ( 145 ° C ) T4A 248 ° F ( 120 ° C ) 158 ° F ( 70 ° C )
• Power Cord : 6-foot ( 1.8m ) long for models with NEMA7 controller 1-foot ( 0.3m ) long for models without controller Leads from heater to controller are in liquid tight conduit .
• Ingress Protection Rating : IP54
Diameter in ( mm )
Total Wattage
Length in ( mm )
Width in ( mm )
120VAC
Part Number
240VAC 30 ( 114 ) 18.6 ( 473 ) 1000 58.5 ( 1486 ) 8 ( 203 ) DHCX131000T4A DHCX231000T4A 55 ( 208 ) 22.3 ( 566 ) 1300 70.0 ( 1778 ) 8 ( 203 ) DHCX151300T4A DHCX251300T4A
Ordering Option : Without controlling thermostat and pilot light . Replace “ C ” with “ N ” in part number . External control is required with this option .
NEMA 7 Controller and High Temperature Limit Indicator Light
1 ” ( 25mm )
3 / 1 6 ” ( 5 m m )
” T ” Thermostat inside metal enclosure
Fiberglass reinforced silicone rubber ( 2 layers ) ( 2 layers )
Grounded heating element
Spring closure hook
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