Technical Specifications - Johnson Controls VA-77 Series Product Bulletin

Technical■Specifications
Product
Models
Supply■voltage
Control■signal
Feedback■signal
Mechanical■Manual■override
- VA-770x
- VA-774x
Type■of■motor
Max.■Power■Consumption■
- Apparent
Electronic■positioner■
Input■impedance
Resolution
Feedback■ratings
Manual■contact■
micro-switch■max.■load
Force
Stroke■
Nominal■full■stroke■time
Enclosure■protection
Materials
- Wiring Cover
- Hand wheel
Ambient■Operating■Condition
Ambient■Storage■Condition
Wiring
Wiring■entrance
Net■weight
Life■time
Compliance
■■
230 V ± 15 %
50/60 Hz
Positioner Adjustment Time (PAT)
Synchronous / reversible
- Active 3.5 W
3.9 VA
2A Resistive 1A Inductive, 24 VAC (24 V switch)
2A Resistive 1A Inductive, 230 VAC only for VA-7740-1003
500 N ± 20%
20-mm maximum
mm 50■Hz
8 84 s
13 137 s
19 200 s
IP54 (IEC 60529)
- Cover Self extinguishing ABS + polycarbonate PC
Polycarbonate
Polyamide PA66
- Yoke Die cast aluminium
- Plates Zinc plated steel
- Gears Acetylic resin
-5 to +55, °C, 10...90% RH non condensing
-20 to +65 °C, 10...90% RH non condensing
2.5 mm2 terminal block
(2) M20x1.5 cable conduit adapters – for separated power/accessories wiring access
(cables from Ø6-mm to Ø12-mm)
0.8 kg
Tested for 250,000 full cycles
Johnson Controls, Inc., declares that these products are in compliance with the essential
requirements and other relevant provisions of the EMC Directive 2004/108/EC and
Low Voltage Directive 2006/95/EC
© Copyright 2011 Johnson Controls, Inc. All rights reserved. Any unauthorized use or copying is strictly prohibited.
VA-7700
Floating
24 V ± 15%
50/60 Hz
None
Mechanical
2.6 W
2.6 VA
---
60■Hz
70 s
114 s
167 s
Metasys® and Johnson Controls® are registered trademarks of Johnson Controls, Inc.
All other marks herein are the marks of their respective owners.
PB_VA-7700_Electricl Valve Actuators_02 2011
Proportional
24 V ± 15%
50/60 Hz
0...10 VDC or 0(4)...20 mA
0...10 VDC
Electrical
Electrical + Mechanical
3.2 W
4.7 W
100 kΩ min. (0...10 VDC)
250 Ω (0(4)...20 mA)
0.5 %
(up to 200 steps on 20 mm stroke)
max 2mA at 0..10 VDC, 5 kΩ
Headquarters: Milwaukee, Wisconsin, USA
Branch Officies: Principal Cities World-wide
Building■Efficiency
www.johnsoncontrols.com