• Floating configuration controlled by a SPDT floating controller
• Proportional configuration 0-10, 2-10vdc or 4-20ma w/500 ohm resistor (included)
• Direct/Reverse action (switch selectable)
• 90lbf (400N), 180lbf (800N) or 337lbf (1500N) linear force
• Configurable run time
• Manual override
• Electronic valve sequencing and electronic flow curve (equal percentage or linear) selection
• Torque overload protection (full stroke)
• Easy auto zero and span

Power:24 VAC ±10%, 50/60 Hz (Half-Wave)

  M400A:6 VA

  M800A:15 VA

  M1500A:24 VA

Motor:Brushless DC

Wiring:

  Power:AWG 16 min, Max 328ft

  Prop. Control:AWG 20 min, Max 656ft

Auxiliary switch (model-specific):2-SPDT, 24 VAC, 4A resistive, (model -S2)

Feedback (model-specific):2-10vdc

Control action (DA/RA) Floating/Proportional:Select by wiring configuration

Stroke:3/8in to 2in (9-52mm)

Timing:

  Floating:60-sec or 300-sec (switch selectable)

  Proportional:15-sec @ 1/2 stroke

Resolution:125 steps

Noise:<32 dB

Ambient limits @ 15 to 95% RH:

  Storage:-13ºF to 149ºF (-25ºC to 65ºC)

  Operational (Max):

    • 122ºF (50ºC) For Chilled water applications :

    • 113ºF (45ºC) For ambient at 281ºF (138ºC) fluid temp:

    • 107ºF (42ºC) For ambient at 300ºF (149ºC) fluid temp:

    • 100ºF (38ºC) For ambient at 340ºF (171ºC) fluid temp:

    • 90ºF (32ºC) For ambient at 366ºF (186ºC) fluid temp:

  Minimum:14ºF (-10ºC)

Enclosure rating:

  • NEMA 2 (IP54) with both connectors used :

  • NEMA 1 (IP40) With one connector used :

Materials:Die-Cast housing, UL94 Plenum rated cover

Weight:3.96 lb (1.8 kg)

Dimensions:9.53"H x 6.31"W x 4.60"D (24.2cm x 17.3cm x 11.7cm)

Linkage Required:

  M400A, M800A:AV-811 for VB-7xxx valves

  M1500A:AV-812 for VB-8xxx & VB-9xxx valves

Actuator clearance:12.40" (31.5 cm) above collar

Agency:UL873, cULus, C-tickCE

Warranty:1 year