Schneider Electric MA51-7101 Catalog Page

MA51-7x0x Series, MA61-720x Series

Model Chart(Continued)

Actuator Power Input

Part No.

MA51-7203

MA51-7200

MA51-7201

MA61-7203

MA61-7200

MA61-7201

a

Timing was measured with no load applied to the actuator.

b

Current VB-7xxx Series valves and discontinued VB-9xxx Series valves (1-1/4 in. on ly).

c

Current VB-9xxx Series valves (2-1/2 to 4 in.), current VB-8xxx (2-1/2 to 5 in.) Series valves, and discontinued VB-9xxx (1-1/2 to 2 in.) Series valves.

Control

Action

2

Position

Voltage

24 Vac

r20%

22-30 Vdc

120 Vac

r10%

230 Vac

r10%

24 Vac

r20%

22-30 Vdc

120 Vac

r10%

230 Vac

r10%

50 Hz 60 Hz

VA W VA W W Powered

9.8 7.5 9.7 7.5 .29 2.8

11.7 8.8 10.0 8.4 N/A 3.6/5.0

15.5 9.5 10.6 8.5 N/A 4.6/3.3

9.8 7.5 9.7 7.5 .29 2.8

11.7 8.8 10.0 8.4 N/A 3.6/5.0

15.5 9.5 10.6 8.5 N/A 4.6/3.3

Running Holding

DC

Amps

50/60 Hz

Approximate Stroke

Linea r
Stroke

Inches

1-1/16

Timi ng in S econds @

5/8 <100

70°F (21°C)

a

a

<190

Spring
Return

<35

<40

a

a

Output Force

Rating lb.

(Newton)

Max.

Min.

Stall

220

(979)

495

(2202)

Valve

Size

1-1/4

to 2
in.

2-1/2

to 4
or 5
in.

b

c

Specifications

Inputs

Control signal On-off spring return, SPST control contacts or Triacs (500 mA rated).

Power

Connections

Outputs

Mechanical

24 Vac ± 20%, Class 2, 22 to 30 Vdc, 120 Vac ± 10%, 230 Vac ± 10%, 50/60 Hz. All 24 Vac circuits are
Class 2. All circuits 30 Vac and above are Class 1.

Models with -0xx have 3 ft. (91 cm) appliance wire connections. Models with -1xx have 3 ft. (91 cm)
plenum wire connections. Enclosure accepts 1/2 in. (13 mm) conduit connectors. For M20 Metric
connector, use AM-756 adaptor.

Motor Type: Brushless DC.

Linear Stroke: MA51-720x: 5/8 in. (16 mm). MA61-720x: 1-1/16 in. (27 mm). MA51-710x: 1/2 in. (13
mm) nominal.

Approximate Stroke Timing: See Model Chart.

Manual Override: Allows positioning of valve and preload using manual crank.

86

© Copyright 2006 TAC. All Rights Reserved. F-27382-1

Specifications (Continued)

Environment

Shipping and Storage: -40 to 160qF (-40 to 71qC).

Ambient temperature limits

Operating: MA51-720x/MA61-720x: 0 to 140qF (-18 to 60qC). MA51-710x: -22 to 140qF (-30 to 60qC).
Temperature Restrictions: For maximum ambient 140qF (60qC) the maximum allowable fluid

temperature should not exceed valve rating. See F-27252 Selection Guide for specific ratings.

MA51-7x0x Series, MA61-720x Series

Actuator

MA51-720x

MA61-720x

MA61-720x

Max. Allowable

Ambient @ Max. Fluid

Temperatures

140qF (60qC) @ 281qF

(138 qC)

120qF (49qC) @ 300qF

(149 qC)

100qF (38qC) @ 340qF

(171 qC)

90qF (32qC) @ 366qF

(186 qC)

140qF (60qC) @ 300qF

(149 qC)

140qF (60qC) @ 281qF

(138 qC)

Valve Body

VB-721x, 722x

VB-73xx

VB-725x, 726x

VB-727x, 728x

2-1/2 to 4 in. VB-931x

2-1/2 to 4 in. VB-92xx, 2-1/2 to 5 in. VB-8xxx

Humidity MAx1-72xx: 15 to 95% RH, non-condensing. MA51-710x: 5 to 95% RH, non-condensing.

Locations

NEMA 1. NEMA 2 (enclosure is air plenum rated), UL Type 2 (IEC IP54) with customer supplied water
tight conduit connections.

MA51-71xx: 6-5/16 H x 6-49/64 W x 3-1/2 D in. (160 x 170 x 89 mm).

Dimensions

MA51-72xx: 7 H x 9-1/4 W x 2-33/64 D in. (178 x 235 x 64 mm).
MA61-720x: 9-1/2 H x 11-1/8 W x 2-33/64 D in. (241 x 283 x 64 mm).

Agency Listings

UL 873 Underwriters Laboratories (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 (89/336/EEC). Low Voltage Directive (72/23/EEC).

Australia

This product meets requirements to bear the C-Tick Mark according to the terms specified by the
Communications Authority under the Radio Communications Act 1992.

F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 87

MA51-7x0x Series, MA61-720x Series

Valve Size Chart.

Valve Body

Part Number

P Code

Size

inches

MA51-710x MA51-720x MA61-720x

Close-Off Pressure PSI

1, 2,3 or 4 1/2 250

VB-721X-000-4-P
VB-7253-000-4-P

VB-7273-000-4-P

5 or 6 3/4 200
7 or 8 1 150

9 1-1/4 90 150
10 1-1/2 60 100
11 2 32 65

1,2,3 or 4 1/2 250

VB-722X-000-4-P
VB-7263-000-4-P
VB-7283-000-4-P

5 or 6 3/4 200
7 or 8 1 90

9 1-1/4 60 150
10 1-1/2 35 100
11 2 20 65

2 or 4 1/2 250

6 3/4 200

VB-731X-000-4-P

7 or 8 1 90

9 1-1/4 60 150
10 1-1/2 35 100
11 2 20 65

4 1/2 250

6 3/4 250

VB-732X-000-4-P

7 or 8 1 250

9 1-1/4 250 250
10 1-1/2 250 250
11 2 250 250
12 2-1/2 125

VB-8213-000-5-P
VB-8223-000-5-P

13 3 125
14 4 125
15 5 125
12 2-1/2 35

VB-8303-000-5-P

13 3 35
14 4 35
15 5 35

1,2,3 or 4 1/2 250

VB-921X-000-4-P
VB-9253-000-4-P
VB-9273-000-4-P

5 or 6 3/4 200
7 or 8 1 150

9 1-1/4 90 150
10 1-1/2 100 AM-733 or AM-734
11 2 65 AM-733 or AM-734

1, 2, 3, or 4 1/2 250

VB-922X-000-4-P
VB-9263-000-4-P
VB-9283-000-4-P

5 or 6 3/4 200
7 or 8 1 90

9 1-1/4 60 150
10 1-1/2 100 AM-733 or AM-734
11 2 65 AM-733 or AM-734

a

Note: Maximum valve differential operating pressures MUST be observed. Please consult our Valve Products Catalog F-27384
to assure the operating differential for your application is followed.

b

Use AM-733 with valves with date codes after 9404. Use AM-734 with valves with date codes before 9404.

Valve Compatibility Table, Continued..

Valve Body

Part Number

P Code

Size

inches

MA51-710x MA51-720x MA61-720x

2 or 4 1/2 250

6 3/4 200

VB-931X-000-4-P

7 or 8 1 90

9 1-1/4 60 150
10 1-1/2 65 AM-733 or AM-734
11 2 65 AM-733 or AM-734

2 or 4 1/2 250

6 3/4 250

VB-9323-000-4-P

7 or 8 1 250

9 1-1/4 250 250
10 1-1/2 250 AM-733 or AM-734
11 2 250 AM-733 or AM-734

VB-92X3-000-X-P
VB-9313-000-X-P

a

Note: Maximum valve differential operating pressures MUST be observed. Please consult our Valve Products Catalog F-27384

12 2-1/2 33
13 3 22
14 4 12

to assure the operating differential for your application is followed.

Close-Off Pressure PSI

a

Required Retrofit Kit

a

Required Retrofit Kit

b

b

b

b

b

b

b

b

88

© Copyright 2006 TAC. All Rights Reserved. F-27382-1

MA51-7x0x Series, MA61-720x Series

Accessories

Model No. Description
MA51-72xx, MA61-72xx

AM-731 Mounting kit - Mx51 - 720x (included with actuator).
AM-732 Mounting kit - Mx61 - 720x (included with actuator).
AM-733 Retrofit kit - discontinued VB-9xxx 1-1/2 to 2 in. valves after 9404 date code.
AM-734 Retrofit kit 1 - discontinued VB-9xxx - 1/2 to 2 in. valves prior to 9 404 date code.
AM-756 Metric conduit adapter M20 x 1.5 to 1/2 in. NPT.
AM-763 1/8 in. Hex crank for manual override.

MA51-710x

AM-756 Metric conduit adapter M20 x 1.5 to 1/2 in NPT.
AM-770 Replacement valve linkage parts kit.
AM-764 Linkage kit for damper applications.

Typical Applications

24 Vac Transformer

or 20-30 Vdc

Line

Volts

1

3

SPST Control Contact

120 Vac or

230 Vac

1

3

SPST Control Contact

1 Provide overload protection and disconnect as

required.

2 Cable on some models contains more wires

than are used in applications. Only those

wires actually used are shown.

3

Applied power extends actuator. Spring
returns when power is removed.

Blk

Red

L1

L2

Com

Hot (+DC)

N

Hot

Figure 1 Typical Wiring Diagrams for Two Position Actuators.

MA51-77203
MA51-7103-xxx
MA61-7203

2

MA51-7100-xxx
MA51-7101-xxx
MA51-7200
MA51-7201
MA61-7200
MA61-7201

2

Voltage L1 N L2 Hot

120 Vac White Black

230 Vac Blue Brown

F-27382-1 © Copyright 2006 TAC. All Rights Reserved. 89