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F-26748-6 © Copyright 2010 Schneider Electric All Rights Reserved. 3
Minimum Damper Shaft Length,
Standard Damper shaft must be at least 4-5/8" (117 mm) long for standard mounting.
Optional Shorter than standard length shafts require the AM-676 shaft extension
(order separately).
Position Indicator, Scale numbered from 0 to 95°, provided for position indication.
Nominal Damper Area, Actuator sizing should be done in accordance with damper
manufacturer’s specifications.
Direction of Rotation, Clockwise or counterclockwise rotation is determined by
actuator mounting. The zero (0) position on the position indicator is the normal or spring
return position.
Environment
Ambient Temperature Limits:
Shipping & Storage, -40 to 160°F (-40 to 71°C).
Operating, -25 to 140°F (-32 to 60°C).
Humidity: 5 to 95% RH, non-condensing.
Location: NEMA 1. NEMA Type 4 (IEC IP56) with customer supplied water tight conduit
connectors.
Agency Listings
UL 873: Underwriters Laboratories Inc. listed (File # E9429 Category Temperature-
Indicating and Regulating Equipment).
CUL: UL Listed for use in Canada by Underwriters Laboratories. Canadian Standards
C22.2 No. 24-93.
European Community: EMC Directive (2004/188/EC). Low Voltage Directive
(72/23/EEC). See Table-1 for specific models.
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.
Table-1 Model Chart.
ACCESSORIES
AM-620 Remote mount single/dual damper actuator kit
AM-621 Round damper shaft extension kit (1/2" ID x 1" OD) for dual actuator mounting
AM-703 Span adjustment
AM-704 Modulation Interface, converts a PWM to 2 to 10 Vdc
AM-705 Positioner, remote/minimum positioning
AM-706 Positioner, flush mount digital position indicator
AM-707 Digital Indication
AM-708 Resistor for 500Ω modulating signal conversion
AM-751 Standard anti-rotation bracket 9" long x 13/16" wide (229 x 21 mm), included with
actuator
AM-752 Optional anti-rotation bracket 4" long x 1-11/6" wide (102 x 43 mm), for narrow
spaces
AM-753 Optional universal mounting clamps for 5/8"(16 mm) square shaft, 3/4" and 1"
(19 to 25 mm) round shafts (two per package)
AM-754 Standard universal mounting clamps for 3/8" to 1/2" (10 to 13 mm) round and
square shafts, two included with actuator
AM-756 Metric conduit adaptor M20 x 1.5 to 1/2" NPT (two per package)
AV-607 Dual mount rack and pinion valve linkage kit for 2-1/2" through 5" VB-8xxx series
valve bodies and 2-1/2" to 4" VB-9xxx series valve bodies except VB-9323
AV-609 Dual mount rack and pinion valve linkage kit for 6" VB-8xxx series valve bodies and
5" and 6" VB-9xxx series valve bodies except VB-9323
TF-711-02 1/2" Sealtight water tight conduit connector (straight)
TF-713-02 1/2" Sealtight water tight conduit connector (90°)
X-5521 1/2" Pipe plug, included with actuator
Part
Number
Actuator Power Input Approximate 93° Rotation
Timing in Seconds @ 70° F
(21°C) for Rated Torque
Output Torque Rating
lb.-in. (N-m)
Voltage Hz
Running
Watts
VA
Running Holding Powered
Spring
Return
Minimum Maximum Stall
MS40-7173
24 Vac ±20% 50 60 5.5 7.8 4.7
147 65 150 (17)
a
a
Approximate 2% torque derating per 1°F above 122°F in the drive direction.
545 (61.8)
22-30 Vdc 5.0 5.6 2.5
MS40-7170 120 Vac ±10%
50 60
6.4 8.5 5.2
MS40-7171 240 Vac ±10% 7.2 10.8 9.0