Brochure

135F-27855-10
7. VB-8/9000 Series
Actuators and Linkages
Specifications
AC Power

DC Power
20 - 29 Vdc 30 W
Running / Resting W
21 / 7
Running Time
Modulating (0.98 - 1.2" (25 - 30 mm): 20 sec. Floating: 60/300 sec. (selectable)
Spring Return (0.98 - 1.2" (25 - 30 mm): 18 sec.
Transformer Size VA
50
Proportional Control
0…10 Vdc, 2…10 Vdc or 4…20mA with 500 ohm resistor
Feedback
2…10 Vdc
2-SPDT Aux Switch
24 Vac 4a res
Stroke Range

Output Force
157 lbs (700 N)
Linkage
AV-822
Duty Cycle
20%/60 mins. (Full-load, high ambient: 80%/60 mins.) (half load, room tempertaure)
Analog Input Signals
Voltage: 0…1 Vdc - impedance min 100 k ohms (range: 0…1/ 2…10 / 0…5 / 2…6 / 5…10 / 6…10) Vdc,
4…20 mA, with a 500 ohm resistor (included)
Floating Input Signal: Voltage cross open input, 24 Vac - Current through closed input 5 mA, Pulse time
min. 20 ms.
Aux. DC Power Supply Output
16 Vdc , 10.3 Vdc, Load 25 mA, short-circuit proof
Position Feedback
2…10 Vdc or 0…5 Vdc (0…10%) - Load 2 mA
Electrical Connections
Screw Terminals 18 gauge
Max. Ambient Temperature
122 °F (50 °C) For Chilled water applications
113 °F (45 °C) at 281°F (138 °C) Fluid temperature
107 °F (42 °C) at 300 °F (149 °C) Fluid temperature
100 °F (38 °C) at 340 °F (171 °C) Fluid temperature
90 °F (32 °C) at 366 °F (186 °C) Fluid temperature
Min. Ambient Temperature
14 °F (-10 °C)
Ambient Temperature Storage
-13…149 °F (-25…65 °C)
Ambient Humidity Range
15…95 % RH non-condensing
Available Valve Yoke Attachments

Enclosure Rating for M900AR-xx-xx and M900AE-
xx-xx Models
With one conduit connector used: NEMA 1 (IP40)
With both conduit connectors used: NEMA 2 (IP54)
Enclosure Rating for M900ARW-xx-xx and
M900AEW-xx-xx Models…
NEMA 4 (IP65)
Sound Power Level
43 dBa
Materials
Housing: Aluminum; Cover for M900AR-xx-xx and M900AE-xx-xx Models: ABS UL94 plenum-rated
plastic, black. Cover for M900ARW-xx-xx and M900AEW-xx-xx Models: Aluminum die cast. Conduit
Connection: North American ½ in conduit connectors, two on the side, two on the bottom.
S2 Auxiliary Switch Relays (optional)

Weight
5.07 lb (2.8 Kg)
Regulatory Compliance
c-UL-us LISTED per UL 873 and CAN C22.2 No.24-93.
CE compliant to directives LVD, EMC, and RoHS2.
RCM marked for AUS/NZ.
Environmental
RoHS, REACh
157 lbf Spring Return Actuators
Forta
M900A Actuators
24 Vac - 20-29 Vdc
NEMA 1 & 2
Forta SR M900A
157 lbf Actuators
M900A
7. VB-8/9000 Series
Actuators and Linkages