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DATE
SALES
REFERENCE
DIVISION SECTION
Chromalox
®
(Supersedes PF499-1)
PF499-2
SDRA
161-304812-003
AUGUST, 2010
4
RENEWAL PARTS IDENTIFICATION
Installation, Operation
and
Portable Industrial Unit
Blower Air Heater
Types SDRA and SDRA-RG
© 2010 Chromalox, Inc.
Specifications – Table 1
GENERAL
IMPORTANT:
SAVE THESE INSTRUCTIONS
RISK OF FIRE. Do not use as a residential or house-
hold heater
Hazard of Fire or Discoloration of Temperature
Sensitive Fabrics. Do not use as a residential or
household heater. Keep combustible material and
such fabrics away from heater. Do not operate heater
where flammable vapors, gases or liquids are present.
Heaters in the heat mode should not be operated in
room temperatures above 130˚F. Fan motor is not
designed to operate in ambients below -10˚F.
To avoid personal injury read “IMPORTANT INSTRUC-
TIONS” on page 2 before installation or operation of
heater.
Keep electrical cords and combustible materials, such
as drapes and other furnishings, away from heater.
Electrical Data (60 Hz) Dimensions (In)
Model
Volts kW Phase Amps BTU Height Width Depth
SDRA-30-43 480 30 3 37.2 102,360 38.5 26 44
SDRA-30-93 600 30 3 30.0 102,360 38.5 26 44
SDRA-48-43 480 48 3 58.9 163,776 38.5 30-1/4 44
SDRA-48-93 600 48 3 47.3 163,776 38.5 30-1/4 44
SDRA-60-43 480 60 3 73.3 204,720 38.5 30-1/4 44
SDRA-60-93 600 60 3 58.9 204,720 38.5 30-1/4 44