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Actuators and Dampers

MA, MF, MS Series

Direct Coupled Actuators Spring Return

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The Schneider Electric DuraDrive™ Series direct coupled, spring return actuators accept two-position, tri-state, or proportional control signals from a DDC control system or a thermostat and are designed to provide years of trouble-free control for HVAC dampers.

Features

Direct mount to round or square shaft

NEMA 4 models available

Overload protection on all models

Specifications

Input Impedance:80 kΩ @ 0/2-10 VDC; 500Ω @ 4-20 mA (proportional models)

Motor:DC with brushes (MA40-70xx, MA41-70xx, MF40-70xx, MF41-70xx); Brushless DC (all others)

Wiring:3-foot cable, 18 AWG

Conduit Connection:1/2" FNPT

Action:Mounting orientation direct/reverse acting

Rotation:95° ±5°

Manual Override:Crank (MA41, MF41, MS41 models)

Resolution:100 steps

Operating Temperature:-22° to 140°F (-30° to 60°C)

Operating Humidity:5 to 95% RH

Enclosure Rating:NEMA 2 (IP54) (35, 60, 133 in-lb models), NEMA 4 (IP56) (150 in-lb models)

Approvals:UL, CE, cUL (varies by model)

Warranty:5 years

Certifications

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Products

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Qty	Model	Description	In Stock	List Price	Internet Price
	AM-756	METRIC TO 1/2 IN NPT CONDUIT ADAPTER	INFO	56.06	44.84
	MA40-7040	SR 2POS 35IN-LB 120VAC	INFO	364.64	291.71
	MA40-7043	SR 2POS 35IN-LB 24VAC	INFO	333.90	267.12
	MA40-7070	SR 2POS 60IN-LB 120VAC	INFO	348.22	278.58
	MA40-7170	SR 2POS 150IN-LB 120VAC, NEMA 4	INFO	1,026.97	821.58
	MA40-7173	SR 2POS 150IN-LB 24VAC, NEMA 4	INFO	928.97	743.18
	MA41-7070	SR 60 IN-LB (7 NM) 2-POS 120 VAC 2-WIRE CTRL	INFO	412.92	330.33
	MA41-7073	SR 2POS 60IN-LB 24VAC	INFO	372.06	297.65
	MA41-7150	SR 133 IN-LB (15 NM) 2-POS 120 VAC 2-WIRE CTRL	INFO	526.10	420.88
	MA41-7153	2-POS, SR, 133 IN-LB, 24 VAC/VDC ACT	INFO	487.32	389.86
	MF40-7043	SR FLOATING 35 IN-LB 24 VAC	INFO	377.17	301.74
	MF40-7173	SR FLOATING 150 IN-LB 24 VAC	INFO	982.51	786.01
	MF41-6043	NSR 35 IN-LB (4 NM) TRI-STATE CTRL	INFO	179.30	143.44
	MF41-7073	SR 60 IN-LB (7 NM) TRI-STATE CTRL 24VAC	INFO	402.80	322.24
	MF41-7153	FLOATING, SR, 133 IN-LB, 24 VAC/VDC ACT	INFO	534.48	427.58
	MS40-7043	SR 2-10V 4-20MA 35IN-LB 24VAC	INFO	446.00	356.80
	MS40-7073	SR 2-10V 4-20MA 60IN-LB 24VAC	INFO	472.14	377.72
	MS40-7170	SR 2-10V 4-20MA 150IN-LB 120VA, NEMA 4	INFO	1,279.97	1,023.98
	MS40-7173	SR 2-10V 4-20MA 150IN-LB 24VAC, NEMA 4	INFO	1,183.97	947.18
	MS41-7073	SR 60 IN-LB (7 NM) PROP CTRL 24VAC	INFO	486.08	388.86
	MS41-7153	SR 2-10V 4-20MA 133IN-LB 24VAC		600.00	480.00