User Guide

8 VA-715x Electric Valve Actuator Product/Technical Bulletin
S
pecifications
Product
VA-7150: Three wire incremental
VA-7153: Three wire incremental with position feedback
VA-7152: Proportional, 0 to 10 VDC
Power Requirements
24 VAC (20 to 30 VAC), 50/60 Hz
VA-7150: 2.7 VA nominal
VA-7153: 2.7 VA nominal
VA-7152: 4.7 VA nominal
Input Signal
Incremental: 24 VAC, 50/60 Hz
Proportional: 0 to 10 VDC
Input Signal Adjustments
(Proportional)
Input Signal: 0 to 10, 0 to 5, 5 to 10 VDC (jumper selectable)
Action: Drive up (DA) or drive down (RA) on signal increase (jumper selectable)
Factory Setting: Calibrated 1 to 9 ± 0.5 VDC for 0 to 10 VDC controller operation,
Direct Acting (DA), 5/16 in. (8 mm) stroke for VT series valve
Input Impedance
(Proportional)
100k ohms
Feedback Signal
VA-7153: 0 to 2000 ohms ±20% for 25/32 in. (20 mm) stroke, 1/4 watt
Mechanical Output
90 lb force (400N) minimum
Stroke Range
25/32 in. (20 mm) maximum
Nominal Stroke Timing
60 Hz: 70 seconds 5/16 in. (8 mm) stroke
110 seconds 1/2 in. (13 mm) stroke
165 seconds 3/4 in. (19 mm) stroke
50 Hz: 85 seconds 5/16 in. (8 mm) stroke
135 seconds 1/2 in. (13 mm) stroke
200 seconds 3/4 in. (19 mm) stroke
Electrical Connections
Screw Terminals: VA-7150: 24 to 14 AWG
VA-7153: 24 to 16 AWG
VA-7152: 24 to 16 AWG
Mechanical Connections
1/4-28 UNF-2B thread for valve stem connection
Enclosure
NEMA 1, IP40
Ambient Operating Conditions
0 to 140°F (-18 to 60°C), 10 to 90% RH, non-condensing, 86°F (30°C) maximum dew point
Ambient Storage Conditions
-4 to 150°F (-20 to 65°C), 5 to 95% RH, non-condensing, 86°F (30°C) maximum dew point
Dimensions
3.84 in. diameter x 6.06 in. high (98 x 154 mm)