Ruffneck FX5 Severe Duty Explosion Proof Electric Air Heater 68300 BTU 20kW 480V 3Ph FX5-SD-480360-200
The product Build Time you see represented on this site is only a typical number of days the manufacturer states it needs to build the product(s) when ordered. Build times are based on business days (excludes weekends & holidays).
The build time does not include the time it will take to ship the order to you (the customer). If an order has multiple items and comes from multiple warehouses, you may receive part of your order on one day, and then receive the remaining part(s) of your order at a later date.
*Please be aware that seasonal demand of certain equipment may cause build times to run longer than what is typical.
NOTE: THIS ITEM IS MADE TO ORDER AND NOT RETURNABLE.
Temperature Code T3B [329°F (165°C)]
The FX5-SD is the next generation Ruffneck™ explosion-proof electric air heater, built for severe duty applications that can lead to accelerated wear of electrical components and damage to the heater core. The FX5-SD is specifically designed for severe duty applications including locations with:
- Fluctuating power quality
- Temporary power generation
- High vibration
- Dirty or corrosive atmospheres or
- Extended maintenance intervals
Only the Ruffneck™ FX5-SD incorporates a dedicated shunt trip circuit breaker which operates independent of the control circuit. It is triggered by a redundant heater core high temperature limit enabling primary interruption of line power to safely protect the heater core. Additional standard features include a definite purpose high capacity contactor, explosion-proof Arctic Duty motor and heavy gauge wiring to make the FX5-SD the safest and most robust explosion-proof unit heater available. FX5-SD heaters are CULUS approved for use in hazardous locations.Suitable for the following Hazardous Location Classifications:
Class I, Division 1 & 2, Groups C & D
Class II, Division 1, Groups E, F & G
Class II, Division 2, Groups F & G
Class I, Zones 1 & 2, Groups IIA & IIB
Motor Type Explosion-proof. Thermally protected TEFC Arctic Duty. Permanently lubricated ball bearings. Add “B” to model coding for certified use at low temperature -50°C (-58°F).
Fan Aluminum blade. Steel spider and hub with 5/8" (15 mm) bore
Fan Guard Split design with close wire spacing. 1/4" (6.3 mm) diameter probe will not enter
Mounting Holes Four 5/8" (15.9 mm) diameter holes at the top of heater
Heating Elements Long-life metal-sheathed elements
Temperature High-Limit Primary automatic reset type, snap-action bimetal, open on temperature rise. Rated 100,000 cycles at 15 amp, handles 0.128 amps/Secondary automatic reset type, snap‑action bimetal, close on temperature rise. Rated 100,000 cycles at 15 amp, handles 0.128 amps
Control Circuit 120 V, 0.128 amps, 15 VA. (Grounded)
Contactor Multiple voltage primary, 120 V secondary, 50 VA
Heat Transfer Fluid Propylene glycol and water
Cabinet Material 12-gauge (0.315" / 2.60 mm) epoxy powder coated steel. Optional Heresite® coating available for corrosive atmospheres with an optional stainless-steel casing (Call for assistance)
Core HD Core (Propylene Glycol) charge under vacuum
Conduit Material Heavy wall, 0.122" (3.1 mm), steel
Junction Box 10.25" (230 mm) x 8.00" (180 mm) x 9.12" (205 mm)
Circuit Protection Industrial duty line circuit breaker with shunt trip
Field Connection Two 1" NPT
Overpressure Protection Preset 100 psig (690 kPa) pressure relief valve, aluminum body, no serviceable parts
Operational Temperature Limitations -4ºF to 104ºF (-20ºC to 40ºC); for “B” units -58°F to 104°F (-50°C to 40°C)
Storage Limitations -58°F to 176°F (-50°C to 80°C), short term to 248°F (120°C). Do not immerse in water. Do not expose to rain or snow.
Weight (for 15 kW Unit) 170 lbs (77.27 kg)
Weight with Disconnect (for 15 kW Unit) 182 lbs (82.73 kg) W
Optional Built‑in Disconnect Switch DS5 for use only on heaters with total current not exceeding 48 amps. Lockout handle accepts 1/4" diameter padlock shackle
Optional Built-in Thermostat Explosion-proof 36ºF to 82ºF (2°C to 28°C)
Optional Built-in Thermostat DS5 uses x-Max® construction.
50 Hz Models Available. Please Call For Assistance.
- Model No.:
- FX5 -SD -480360 -200
- Various Warehouses
- Blade Material:
- BTU High:
- CFM High:
- Limited Warranty:
- 1 Year Limited
- Temperature Rise F:
- Watts High:
- Weight lbs.:
Notice: Manufacturer's products features and specifications are subject to change without notice.
California Residents: WARNING- This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
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