Selection Guide

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Valve Assemblies with Mx41-6343 Non-Spring Return Actuators
Actuator Specifications
Inputs
Control Signal MF41-6343—SPDT floating control output, Triacs (500 mA rated), or 2 SPST contacts.
MS41-6343—Proportional, 2 to 10 Vdc or 4 to 20 mAdc with the addition of a 500-ohm resistor
(not included).
Power Requirements All 24 Vac and 22-30 Vdc circuits are Class 2. All circuits 30 Vac and above are Class 1.
Connections 36” (91 cm) long appliance cables, 1/2" conduit connector. For M20 Metric conduit, use
AM-756 adaptor.
Motor Type Brushless DC.
Outputs
Electrical Stroke: Electronically limited to 92° ±1°. (MS) Mechanically Limited To 101° ±1°(MF).
Timing: Approx. 148 sec for proportional (MS) model, 162 sec. for floating (MF) model.
Mechanical Output torque rating: 300 lb-in (34 N-m) minimum, 650 lb-in (73.7 N-m) maximum.
Position indicator: Pointer and scale are provided for position indication.
Direction of rotation: CW or CCW rotation is available through reversible mounting.
Manual override: Activated by the manual override crank.
Environment
Temperature Limits Shipping and storage: -40 to 160 °F (-40 to 71 °C) ambient.
Operating: -25 to 140 °F (-32 to 60 °C).
Humidity 5 to 95% RH, non-condensing.
Locations NEMA 1 (IEC IP10), NEMA 4 (IEC IP56) with customer supplied water tight conduit connectors.
Agency Listings (Actuator)
UL UL 873, Underwriters Laboratories (File #9429 Category Temperature-Indicating and
Regulating Equipment).
European Community EMC Directive (2004/108/EC). Low Voltage Directive (72/23/EEC).
cUL Canadian Standards C22.2 No. 24-93.
Australia This product meets requirements to bear the C-Tick Mark according to the terms specified by
the Communications Authority under the Radiocommunications Act 1992.
Part Number
Power Input @ 50/60 Hz
Voltage Running VA Holding VA Watts
MF41-6343
24 Vac ± 20% 5.7 4.1 3.9
22-30 Vdc 4.1 3.0 4.1
MS41-6343
24 Vac ± 20% 5.6 4.0 3.6
22-30 Vdc 3.4 2.2 3.4