Specification Sheet

257
MODEL SQD & eSQD
DIRECT DRIVE SQUARE INLINE CENTRIFUGAL DUCT FAN
MODEL SQD & eSQD
DIRECT DRIVE SQUARE INLINE CENTRIFUGAL DUCT FAN
eMotor - Electronically Commutated Motor
S&P’s eMotor is 115V and 60 Hz and is available in 1/4, 1/3 and 1/2 HP.
This fully controllable motor offers both reliability and low maintenance in
one of the most efcient motor fan combinations in the industry.
When used in S&P’s eSQD inline fan, the eMotor is the ideal solution for
a low cost, fully controlled ventilation system. This motor in the eSQD can
move air volumes up to 2,300 CFM, equal to that of a belt drive fan, with all
the benets and low maintenance of a direct drive fan.
Features and Advantages
• Motor mounted potentiometer for easy speed adjustment.
• Easy speed control by DC 0-10 V variation.
• Motor has 80% usable turndown vs. 30% on a PSC motor.
• Internal motor circuitry converts 115V single phase AC power to DC voltage for increased
efciencies.
• Motor is 115V and 60 Hz.
• cULus 705 Listing.
Energy Savings = $ Savings
$0.00
$500.00
$1,000.00
$1,500.00
$2,000.00
$2,500.00
$3,000.00
$3,500.00
1 2 3 4 5 6 7 8 9 10
Cumulative Cost to Operate
Number of Years Used
ECM
PSC
Cost to Operate Motors @ 650 RPM Continuous Ventilation
eSQD with 1/2 HP Motor - Continuous Ventilation
$0.00
$50.00
$100.00
$150.00
$200.00
$250.00
$300.00
$350.00
$400.00
$450.00
$500.00
400 500 600 700 800 900 1000 1100 1200
Cost to Operate for 1 Year
RPM
PSC Motor Electronically Commutated Motor