Terra Universal Product Manual
WhisperFlow® Fan Filter Units
©
Copyright 2021 Terra Universal Inc. All rights reserved
•
Revised April 2021
Terra Universal, Inc. • TerraUniversal.com • 800 S. Raymond Ave. • Fullerton, CA 92831 • TEL: (714) 578-6000 • FAX: (714) 578-6020
17
3.5.3
Control Card Electrical Specifications
Electrical Ratings
Input Voltage, AC, 50/60Hz
12 – 28V
1
AC
Input Voltage, DC
14 – 30V DC
Operating Current, AC
35 mA AC
Operating Current, DC
30 mA DC
Accessory Current 5V, 10V
50
3
mA DC
Accessory Current V.RFU
2
100
3
mA DC
1
Refers to
actual AC voltage values
2
V.RFU is rectified and capacitive-filtered, but is unregulated
3
Maximum current values stated in support of a single connected
load
“Stand Alone Operation” Power Source Ratings
Supply Transformer Voltage Rating,
12 – 24V AC
Supply Transformer Power Rating
2 VA
Regulated DC Supply Voltage Rating
14 – 30V DC
Regulated DC Supply Power Rating
2 W
Extended Accessory Output Currents for Stated Input Voltage Condition
Input Voltage
Accessory Current, DC mA
2
Suggested AC/DC
Source Power
Rating
5V
10V
V.RFU
VA
14V DC Regulated
300
300
500
20,20,30
30V DC Regulated
50
50
500
10,10,60
12V AC
1
Transformer
100
100
100
5,5,5
28V AC
1
Transformer
50
50
200
10,10,25
1
AC voltage spec refers to
actual AC voltage values
, i.e., not transformer ratings, etc.
2
Current values stated in support of a single connected load.
Specifications
Horsepower
1/3 HP
Voltage
120/240V, 50/60Hz
Speeds
300 – 1250 RPM
Inputs
2 Way Serial Communication & PWM
Frame
NEMA® 48
Enclosure
Continuous Air Over
Mounting
Belly Band
Amperage
4.2/2.7 Amps
