Accessory List

MA-3xx Series, MA-4xx Series
F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 71
Two-Position, Oil-Submerged Actuators
Model Chart
† Models for hazardous locations are only available as factory enclosure/actuator assemblies.
These actuators provide two-position operation of
dampers, valves, and other equipment requiring
the return to normal position upon power
interruption.
Features:
• SPST controller.
• Spring return.
• 24, 120, 208, and 240 Vac models.
• SPDT auxiliary switch if actuator part number suffix is
“-500.”
• Rugged die cast aluminum.
• Oil immersed motor and gear train.
• Models for hazardous locations are only available as a
factory enclosure/actuator assemblies.
• NEMA 4 with optional watertight conduit connectors, field
supplied.
Model No.
Power Supply
Aux.
a
Switch
a
2 FLA, 12 LRA at 24/120 Vac; 1 FLA, 6 LRA 2 240 Vac.
Input
(Watts)
Va Running/
Holding
Rated
Torque
lb-in. (N-m)
Application and
Mounting
Shaft Rotation
Vac Hz
MA-305 24
60
No
25
56/56
16 (1.8)
Damper
actuators. Upright
position
preferred.
CW 180° when power
is applied.
MA-305-500 24 Yes
MA-405 120 No
48/48
MA-405-500 120 Yes
MA-318 24 No
70
Running
25
Holding
92/32
60 (6.8)
Damper and
valve actuators.
Output shaft
horizontal.
CW 170° when power
is applied.
MA-318-500 24 Yes
MA-416 208 No
104/38
MA-416-500 208 Yes
MA-418 120 No
108/42
MA-418-500 120 Yes
MA-419 240 No
120/39
MA-419-500 240 Yes
MA5-419 240
50
No
MA5-419-500 240 Yes
A
-
3
xx
r
ies,
A
-4xx
r
ies
MA6-3xx, MA8-3xx,
MA6-4xx, MA8-4xx, MA7-4xx
Hazardous Locations
MA-3xx, MA5-318,
MA-4xx, MA5-418
(Standard)
†
†
†