Markel HLA 20-480360-15.0-24 Electric Hazardous Location Heater, 15 KW, 480V/3Ph
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Markel
Markel HLA 20-480360-15.0-24 Electric Hazardous Location Heater, 15 KW, 480V/3Ph
$11,372.16
Usually Ships In 3-4 Weeks
Free ground shipping to the lower 48 states
- Product ID:
- Markel-HLA-20-480360-15-0-24
- UPC:
- 686334734226
- Weight:
- 193.00 (Lbs.)
- Ships By:
- Truck, Curbside, Back Of Truck
- Ships From:
- Tennessee - Direct From Markel
Markel HLA 20-480360-15.0-24 Electric Hazardous Location Heater Features:
- Not cancelable, not returnable. Before purchasing please double check to confirm this item is correct for your application.
- Not cancelable, not returnable. Before purchasing please double check to confirm this item is correct for your application.
- Fan forced suspended unit heater for T-3B Class I, Group C and D, Division 1 and 2, and Class 2 Groups E,F and G, Divisions 1 and 2.
- Designed for rugged industrial applications in hazardous locations where the possibility of explosion or fire exists due to the presence of certain flammable gases, vapors, powdered metals or dust.
- Permanently sealed, liquid to air, finned tube heat exchanger core.
- Ethylene Glycol to water mixture used as a heat transfer fluid in the heater core, providing -45C. (-49F) freeze damage protection.
- High-performance electric motor driven fan blows air across finned tubes to effect uniform heat transfer and area heat distribution.
- Manual Reset capillary type limit provides high temperature regulation and is rated for 6,000 cycles of service.
- Stainless steel and aluminum pressure relief valve for overpressure.
- A back-up contactor is included for additional protection.
- 14 gauge steel cabinet powder coated epoxy paint finish contains heater core, motor, and fan assembly.
- Narrow gap safety fan guard shields all moving parts.
- Adjustable louvers allow directional control of air.
- Copper conductor wires enclosed in rigid metal conduits carry all electrical power.
- Box lugs furnished for field connections within approved enclosure.
- Made in U.S.A.
- California residents see Prop 65 Warnings.
- Note: Before selecting a hazardous location electric heater refer to Article 500 or other applicable standard referenced in the National Electric Code.
RATINGS
Catalog Number: 07342202
Model Number: HLA 20-480360-15.0-24
Agency Rating: ETL-CUS
Air Throw: 43
Amp: 19
BTU: 51200
CFM: 2450
Control Voltage: 24
KW: 15
Recommended Mounting Height: 13
Phase: 3
Model Number: HLA 20-480360-15.0-24
Agency Rating: ETL-CUS
Air Throw: 43
Amp: 19
BTU: 51200
CFM: 2450
Control Voltage: 24
KW: 15
Recommended Mounting Height: 13
Phase: 3
Temperature Rise: 19.2
Voltage: 480
Weight (Lbs): 193
Color: Gray
Voltage: 480
Weight (Lbs): 193
Color: Gray
HAZARDOUS LOCATION RATINGS DEFINITIONS
CLASS I:
Equipment does not have surface operating temperature in excess of the ignition temperature of the specific gas or vapor.
Equipment does not have surface operating temperature in excess of the ignition temperature of the specific gas or vapor.
Examples Include:
- Offshore and land based drilling rigs, petroleum exploration and testing facilities.
- Petroleum refineries, gasoline storage and dispensing areas.
- Industrial firms that use flammable liquids in dip tanks for parts cleaning or other operations.
- Petrochemical companies that manufacture chemicals from gas or oil.
- Dry cleaning facilities where vapors from cleaning fluids may be present.
- Aircraft hangers and fuel servicing areas.
- Utility gas plants and operations involving storage and handling of liquefied petroleum or natural gas.
- Petroleum refineries, gasoline storage and dispensing areas.
- Industrial firms that use flammable liquids in dip tanks for parts cleaning or other operations.
- Petrochemical companies that manufacture chemicals from gas or oil.
- Dry cleaning facilities where vapors from cleaning fluids may be present.
- Aircraft hangers and fuel servicing areas.
- Utility gas plants and operations involving storage and handling of liquefied petroleum or natural gas.
GROUP C:
Atmospheres such as but not limited to acetaldehyde, allyl alcohol, hydrogen sulfide, ethylene, carbon monoxide, or other gases or vapors of equivalent hazard.
Atmospheres such as but not limited to acetaldehyde, allyl alcohol, hydrogen sulfide, ethylene, carbon monoxide, or other gases or vapors of equivalent hazard.
GROUP D:
Atmospheres such as but not limited to acetone, alcohol, gasoline, lacquer solvent vapors, natural gas, propane or other gases or vapors of equivalent hazard.
Atmospheres such as but not limited to acetone, alcohol, gasoline, lacquer solvent vapors, natural gas, propane or other gases or vapors of equivalent hazard.
CLASS II:
Equipment does not have surface temperature greater than the ignition temperature of the specified dust.
Equipment does not have surface temperature greater than the ignition temperature of the specified dust.
Examples Include:
- Coal preparation plants and other carbon handling or processing areas.
- Grain elevators, flour and feed mills.
- Plants which manufacture, use or store Magnesium or Aluminum powders.
- Plants that have chemical or metallurgical processes.
- Producers of starch products or candy.
- Spice grinding plants, sugar plants and cocoa plants.
- Coal preparation plants and other carbon handling or processing areas.
- Grain elevators, flour and feed mills.
- Plants which manufacture, use or store Magnesium or Aluminum powders.
- Plants that have chemical or metallurgical processes.
- Producers of starch products or candy.
- Spice grinding plants, sugar plants and cocoa plants.
GROUP E:
Atmosphere containing combustible metal dust regardless of resistivity, or other combustible dust of similar hazard characteristics having resistivity of less than 10^5 OHM - Centimeter.
Atmosphere containing combustible metal dust regardless of resistivity, or other combustible dust of similar hazard characteristics having resistivity of less than 10^5 OHM - Centimeter.
GROUP F:
Atmosphere containing carbon black, charcoal, coal or coke dust.
Atmosphere containing carbon black, charcoal, coal or coke dust.
GROUP G:
Atmospheres containing combustible dust having resistivity of 10^5 OHM-Centimeter or greater.
Atmospheres containing combustible dust having resistivity of 10^5 OHM-Centimeter or greater.
DIVISION I:
A location in which ignitable concentrations of flammable material exist under normal operating conditions.
A location in which ignitable concentrations of flammable material exist under normal operating conditions.
DIVISION II:
Locations in which flammable materials will normally be confined within closed containers and escape only in the case of accidental rupture, breakdown or during maintenance operations. Any equipment approved for Division I is automatically also approved for Division II.
Locations in which flammable materials will normally be confined within closed containers and escape only in the case of accidental rupture, breakdown or during maintenance operations. Any equipment approved for Division I is automatically also approved for Division II.
SPECIFICATIONS
Heat Exchanger and Elements:
Heavy walled, painted carbon steel with aluminum fins liquid heat exchanger, liquid filled with three-immersion type copper sheathed elements. The elements shall have the highest quality nickel-chromium resistance wire encased in a magnesium oxide dielectric and be hermetically sealed into the heat exchanger core. The heat transfer fluid is Ethylene-glycol solution for operation to -49 degrees F (– 45 degrees C). Stainless steel and aluminum pressure relief valve for overpressure.
Thermal Cutout High Limit Protection and Optional Pilot Light:
The capillary type manual reset thermal cutout shall be rated for 6000 cycles of service and mounted in the liquid filled heat exchanger. An optional pilot light to indicate power on, is located on control enclosure.
The capillary type manual reset thermal cutout shall be rated for 6000 cycles of service and mounted in the liquid filled heat exchanger. An optional pilot light to indicate power on, is located on control enclosure.
Motor:
The motor shall be a permanent split capacitor type, permanently lubricated, ball bearing type. The motor shall be rated for hazardous location and operate at rated voltage of heater, 60 Hz, 1725 RPM.
The motor shall be a permanent split capacitor type, permanently lubricated, ball bearing type. The motor shall be rated for hazardous location and operate at rated voltage of heater, 60 Hz, 1725 RPM.
Control Enclosure:
All controls shall be factory installed and wired in a hazardous location enclosure. Contactors and back-up contactors are heavy duty type and break all ungrounded conductors and be rated for 100,000 cycles at full load. Standard 24-Volt control circuit shall be supplied by internal class II transformer. An optional factory wired integral thermostat or standard terminal block for field wiring to optional remote wall thermostat are wired in control panel. No fan delay relay.
All controls shall be factory installed and wired in a hazardous location enclosure. Contactors and back-up contactors are heavy duty type and break all ungrounded conductors and be rated for 100,000 cycles at full load. Standard 24-Volt control circuit shall be supplied by internal class II transformer. An optional factory wired integral thermostat or standard terminal block for field wiring to optional remote wall thermostat are wired in control panel. No fan delay relay.
Disconnect Switch:
Factory mounted and wired hazardous location disconnect switch is available as optional accessory.
Factory mounted and wired hazardous location disconnect switch is available as optional accessory.
Cabinet With Adjustable Louvers:
The Cabinet shall be 14 gauge, cold rolled steel with powder coated epoxy finish. Plated fan guards with less than 1/4 inch spacing to cover motor and fan shall conform to OSHA Requirements.
The Cabinet shall be 14 gauge, cold rolled steel with powder coated epoxy finish. Plated fan guards with less than 1/4 inch spacing to cover motor and fan shall conform to OSHA Requirements.
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