3Com MS40-717X warranty Environment, Agency Listings, Minimum Damper Shaft Length, Model Chart

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-1for 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.

		Actuator Power Input					Approximate 93° Rotation		Output Torque Rating
							Timing in Seconds @ 70° F
Part					VA				lb.-in. (N-m)
				Running			(21°C) for Rated Torque
Number	Voltage	Hz
				Watts	Running	Holding	Powered	Spring	Minimum	Maximum Stall
								Return
MS40-7173	24 Vac ±20%	50	60	5.5	7.8	4.7
	22-30 Vdc			5.0	5.6	2.5	147	65	150 (17)a	545 (61.8)
MS40-7170	120 Vac ±10%	50	60	6.4	8.5	5.2
MS40-7171	240 Vac ±10%			7.2	10.8	9.0

aApproximate 2% torque derating per 1°F above 122°F in the drive direction.

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

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