Product Overview

M9208-xxx-x Series Electric Spring Return Actuators Product Bulletin 11
M9208-AGx-x Series On/Off and Floating Point Control Electric Spring Return Actuator
(Part 1 of 2)
Power
Requirements
-AGx Models AC 24 V (AC 19.2 V to 28.8 V) at 50/60 Hz: Class 2 (North America) or Safety
Extra-Low Voltage (SELV) (Europe), 7.9 VA Running, 5.5 VA Holding Position
DC 24 V (DC 21.6 V to 28.8 V): Class 2 (North America) or SELV (Europe),
3.5 W Running, 1.9 W Holding Position
Minimum Transformer Size: 8 VA per Actuator
Input Signal -AGx Models AC 19.2 to 28.8 V at 50/60 Hz or DC 24 V +20%/-10%
Class 2 (North America) or SELV (Europe)
Minimum Pulse Width: 500 ms
Control Input
Impedance
-AGx Models 3,000 ohm Control Inputs
Auxiliary Switch
Rating
-xxC Models Two Single-Pole, Double-Throw (SPDT), Double-Insulated Switches with Gold
over Silver Contacts:
AC 24 V, 50 VA Pilot Duty
AC 120 V, 5.8 A Resistive, 1/4 hp, 275 VA Pilot Duty
AC 240 V, 5.0 A Resistive, 1/4 hp, 275 VA Pilot Duty
Spring Return Direction Is Selectable with Mounting Position of Actuator:
Actuator Face Labeled A Is Away from Damper or Valve: CCW Spring Return
Actuator Face Labeled B Is Away from Damper or Valve: CW Spring Return
Rated Torque Power On
(Running)
70 lb·in. (8 N·m) All Operating Temperatures
Power Off
(Spring Returning)
70 lb·in. (8 N·m) All Operating Temperatures
Rotation Range Maximum Full Stroke: 95°
Adjustable Stop: 35 to 95° Maximum Position
Rotation Time
for 90 Degrees of
Travel
Power On
(Running)
150 Seconds Constant for 0 to 70 lb·in. (8·N m) Load,
at all Operating Conditions
Power Off
(Spring Returning)
17 to 25 Seconds for 0 to 70 lb·in. (8 N·m) Load, at Room Temperature
22 Seconds Nominal at Full Rated Load
94 Seconds Maximum with 70 lb·in. (8 N·m) Load, at -40°F (-40°C)
Life Cycles 60,000 Full Stroke Cycles with 70 lb·in. (8 N·m) Load
1,500,000 Repositions with 70 lb·in. (8 N·m) Load
Audible Noise
Rating
Power On
(Running)
<35 dBA at 70 lb·in. (8 N·m) Load, at a Distance of 39-13/32 in. (1 m)
Power On
(Holding)
<20 dBA at a Distance of 39-13/32 in. (1 m)
Power Off
(Spring Returning)
<52 dBA at 70 lb·in. (8 N·m) Load, at a Distance of 39-13/32 in. (1 m)
Electrical
Connections
Models: AGx-3 48 in. (1.2 m) UL 758 Type AWM Halogen Free Cable with 18 AWG
(0.85 mm²) Conductors and .25 in. (6 mm) Ferrule Ends
Models: AGA-2 120 in. (3.05 m) UL 444 Type CMP Plenum Rated Cable with 19 AWG
(0.75 mm²) Conductors and .25 in. (6 mm) Ferrule Ends
Auxiliary Switches
(-xxC Models)
48 in. (1.2 m) UL 758 Type AWM Halogen Free Cable with 18 AWG
(0.85 mm²) Conductors and .25 in. (6 mm) Ferrule Ends
Conduit Connections Integral Connectors for 3/8 in. (10 mm) Flexible Metal Conduit
Mechanical
Connections
Round Shafts Range of Sizes: 5/16 to 5/8 in. (8 to 16 mm)
Square Shafts Range of Sizes: 1/4 to 1/2 in. (6 to 12 mm)
Enclosure Rating NEMA 2 (IP54) for all Mounting Directions