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P.O. Box 515,
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All Categories > Explosion-Proof Heaters > 254 Series Explosion-Proof Convector > Item # HX-254-F0310102J  
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Item # HX-254-F0310102J, 254 Series Explosion-Proof Convector


Class I, Divisions 1 and 2, Groups B, C and D
Class I, Zones 1 and 2, Group IIC




Specifications  · Standard Construction Features  · Applications  · Comparison Chart

Specifications

Power
1 kW

Voltage Rating
240 V

Phase
1

Heater Amps
4.2 A

Unit Size
1

Ignition Temperature Code
T2A

Ignition Temperature
536 ºF
280 ºC

Length
26 inches
66 cm

Height
6 inches
15 cm

Depth
4 1/2 inches
11 cm

Weight (without Controls)
13 lbs
5.9 kg

Availability Code1
S

Electrical Package Options

 View
B2 - Electric Control Option
B2-S1 - Thermostat & Controls
B3 - Thermostat & Controls (Group B)
S1 - Thermostat
S2 - Thermostat (Group B)

Custom Options

 View
C1 - Wet Locations
1 Availability Code : S = Stock, AS = Assembly Stock
Heaters ordered with custom options subject to longer delivery.


Standard Construction Features
  • Element - Grade A Nickel-Chrome heating coils are insulated with ceramics and magnesium oxide from the copper heater tube and fitted with large aluminum fins locked in place.
  • Cabinet - Heavy gauge steel cabinet is painted with a beige powder coat for durability. Cabinet should be mounted at least 6 inches (152 mm) above the floor. Factory-furnished wall brackets make installation easy.
  • Thermal Protection - A linear limit, automatic reset thermal cutout is built into every unit.
  • Complete Electrical Package - For larger single-phase and all three-phase units, a built-on contactor/transformer option package is available.


Applications
  • Battery Storage Areas
  • Chemical Plants
  • Coal Handling Facilities
  • Dry Cleaning Plants
  • Gasoline Fueling/Storage Areas
  • Grain Elevators
  • Oil Refineries
  • Paint Spraying/Storage Areas
  • Petrochemical Plants


Comparison Chart
Features ULTRA-SAFE™ EXP COMPACT Convector
Hazardous Location
NEC Classifications		 Class I, Divisions 1 and 2, Groups C and D
Class II, Divisions 1 and 2, Groups E, F and G
Class I, Zones 1 and 2, Groups IIB		 Class I, Divisions 1 and 2, Group D
Class I, Zones 1 and 2, Group IIA		 Class I, Divisions 1 and 2, Groups B, C and D
Class II, Divisions 1 and 2, Groups E, F and G
Class I, Zones 1 and 2, Group IIC
Ignition Temperature Code T3C
320°F (160°C)		 T3
392°F (200°C) (Varies with KW)		 T3C
320°F (160°C) (Varies with classification)
     
KW Range Up to 30 KW Up to 12 KW Up to 9.5 KW
Standard Built-in Overtemperature Protection Dual overtemperature protection with automatic manual reset thermal cutouts Primary and secondary automatic reset cutouts with backup contactor, fan delay relay Primary automatic reset cutout
Other Standard Built-in Controls Controlling contactor, control circuit transformer Controlling and backup contactor None
Standard Control Voltage 24V 120V Maximum 277V
Single Point Line Voltage Connection
for Incoming Power		 Yes Separate 120V motor line required Yes
 
Optional Built-in Controls      
Thermostat Yes No Yes
Disconnect Switch Yes No Yes
Selector Switch Yes No No
Manual Reset Cutout   Yes No
"Heater On" Pilot Light Yes No No
"Warning" Pilot Light Yes No No
Control Circuit Transformer Yes No Yes
Step Controller No No No
Power Fusing No No No
Standard Construction
Heater Assembly Liquid-to-air heat exchanger, steel tube with steel fins, propylene glycol, immersion heater Heavy gauge stainless steel finned tubular elements Heater core enclosed in copper tube with large aluminum fins
Cabinet/Housing Powder coated galvanized steel Stainless steel Powder coated steel
NEMA 7, 9 Control Enclosure Cast aluminum Cast aluminum Epoxy coated steel
Mounting Brackets Wall, ceiling or pole mounting kits (optional) Swivel mounting bracket (standard) Wall mounting bracket (standard)
Optional Constructions
Dirty Duty Corrosion Resistant Choice of 316SS Construction or Heresite® coating Yes Wet locations (NEMA 3) iridite coated elements
50 Hz Motor Yes No No
Agency Approvals
CSA (Canadian Standards Association) Yes Yes Yes
ABS (American Bureau of Shipping) No Yes Yes
Stock Designs Available Yes   Yes




 MORE IMAGES 

·  Dimensional Drawing


 DOWNLOADS 

Use of Electric Heaters in Hazardous Locations
(PDF, 114KB)

Unit Heaters Limited Warranty
(PDF, 90KB)


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