Brochure

Tunstall Corporation
118 Exchange Street • Chicopee, MA 01013
© July 2014
We reserve the right to alter designs, specifications and information without notice.
Phone [phone] · Fax [phone]
www.tunstall-inc.com • www.maconcontrols.com
Bulletin-MVA2-10V-0714
Electric Operators
Motorized Actuator 2-10 Volt
MVA 2-10V
1
Areas of use
The Macon Motorized Actuator can be used on all
Macon Valves (NT series 2-way valves, EDV 3-way
mixing valves, EKV cooling valve and OPSK one
pipe steam valve). For controllers with continuous
output in conjunction with single-room control sys-
tems. Automatic valve adjustment and intelligent cut-
off for maximum energy efficiency.
Specifications
Design
 Two-piece plastic housing, light grey RAL7035
 Brass nut
 Plug-in cable, light grey, standard 1.50 m long,
3×0.35 mm², exchangeable
 Running time 13 s/mm
 Fitting position vertically upright to horizontal,
not upside down.
Data
Direction of operation NO/NC DIP switches
Running time 43 - 72 s (8s/mm)
Stroke 5.5 mm
Pushing force 120 N
Power supply 24V AC/DC, ±15%,
50 - 60 Hz
Power consumption 2.5 VA
Control signal 0 (2) - 10V
Max operating temperature 203°F at the valve
Noise level <30 dB(A)
Perm ambient temperature 0 - 122°F
Perm ambient humidity <75%rh
Ingress protection IP 43 (EN 60529)
Protection class III (EC 60730)
3.15”
1.93”
3.13”