Specification Sheet

255
MODEL OVERVIEW
Model SQD fans are available in sizes 6 through 15, moving up to 2,800 CFM, with static pressure
capabilities to 1". SQD units are the perfect selection for clean air applications where space is a leading
consideration. The compact housing with removable access doors can be mounted in any orientation.
The eSQD comes with S&P’s electronically commutated (EC) motor (eMotor) which offers the energy
efciency of a DC motor with the ease of maintenance of DD motors. The eMotor has a motor mounted
potentiometer, and can be controlled by a 0-10V signal. Model eSQD is available in sizes 8, 10 and 12.
2 year fan housing warranty, 1 year motor warranty
Heavy-gauge galvanized
steel housing (aluminum
optional).
Heavy-gauge galvanized
motor mounting bracket.
Optional mounted and
wired disconnect switch.
Removable access panels
(2) with neoprene gaskets.
Aluminum non-overloading
backward inclined wheel
(SQD 60 has composite wheel).
SQD: Speed controllable
totally enclosed motor.
eSQD: Up to 90% efcient,
EC motor.
Corrosion resistant
fasteners.
Integral inlet and outlet
duct anges.
AMCA Seal
Assures rating of Sound
and Air performance
UL Label
For electrical reliability
Factory Run & Tested
Assures dependable
operation
MODEL SQD & eSQD
DIRECT DRIVE SQUARE INLINE CENTRIFUGAL DUCT FAN
MODEL FEATURES
• Exhaust air up to 2,800 CFM in high static pressure applications up to 1” w.g.
• Direct drive units have low sound levels and quiet operation
• Ideal for applications where space is limited
• Non-overloading backward inclined wheel for efciency at higher
static pressures
• AMCA Air and Sound Licensed
• cULus 705 Listed
Model SQD is available
in our Quickship program.
Sizes 6-15 are available for next
day, 3-day or 10-day shipping
from stock.
CONSTRUCTION FEATURES AND OPTIONS
All specications are subject to change without notice unless approved in submittal by S&P USA.
GC_SQD_1014 October 2014