Schneider Electric MAx-305, MAx-318 Series, MAx-405 Through MAx-419 Series Data Sheet

Application

MA6-3xx, MA6-4xx, MA7-4xx,

MA8-3xx, MA8-4xx

(Hazardous Locations)

MA-3xx, MA5-318,

MA-4xx, MA5-419

(Standard)

For two-position operation of dampers, valves, and other equipment which require the return to normal position upon power interruption.

Hazardous location models offer a sturdy cast aluminum case with bolted cover. They have two 3/4" pipe tapped openings for joint s with rigid metal conduit. All wiring is brought out to separate termin als for ea se of installation. These factory enclosure and actuator assemblies are Underwriters Laboratories listed.

MAx-305 & MAx-318 Series

MAx-405 Through MAx-419

Series

Two-Position Actuators

General Instructions

Features

• Compatible with most SPST control devices

• Spring return

• 24, 120, 208, and 240 Vac models

• Actuators with part number suffix "-500" are

equipped w

ith SPDT auxiliary

switch

• Actuator has a rugged die cast aluminum housing

with

two 1/2” conduit openings

• Hazardous location actuator housing has two 3/4"

ipe taped openings for rigid metal cond

con

nection

• Oil immersed motor and gear train

uit

Applicable Literature

• Electric/Electronic Products Catalog, F-27382

• Valve Products Catalog, F-27384

• Cross-Reference Guide, F-26789

• Material Safety Data Sheet (MSDS) for BCS-51-185

Oil (Until Mar MAx

-4xx-x-x-3)

ch 2002) (MAx-3xx-x-x-3 an

• AV -29x V alve Linkage for Hazard ous Location Gear

rain Actuators General Instructions, F-27441.

• Apparatus for Hazardous Locations EN-56-2,

F-

18451.

• AV-390 Series, Valve Linkage for Gear Train

Actu

• Material Safety Data Sheet (MSDS) for BCS-51-168

ators General Instructions, F-24376.

Oil (

Until Feb. 1989)

• Material Safety Data Sheet (MSDS) for

BCS-

51-185-1 Oil (Current) (MAx-3xx-x-x-4 an

MAx

-4xx-x-x-4)

• High Temperature Exposure Performance (UL 555S)

MAx-31x-x-x-4, MAx-41x-x-x-4 Series Actuator En

gineering Information EN-216, F-27068

SPECIFICATIONS

Actuator Inputs

Connections: Coded screw terminals. Control Circuit: Two-wire. Power Input: See Table-1.

Actuator Outputs

Torque: See Table-1. Shaft Rotation:

MA-305, MA-405, MA6-305, MA6-405, CW 180° when power is applied.

MA-318, MA-41x, MAx-318, MAx-41x, CW 180° when power is applied. Spring Return: CCW to the original position when the actuator is de-energized. Auxiliary Switch (-500 Models): SPDT makes (or breaks) the circuit at the powered end of

stroke.

Environment

Ambient Temperature Limits:

Shipping & Storage, -40 to 136 °F (-40 to 58 °C).

Operating, -40 to 136 °F (-40 to 58 °C).

Humidity: 5 to 95% RH, non-condensing.

Location: NEMA Type 4 when used with the gasket (provided) and water-tight conduit

connectors (not provided), optional hazardous location models.

Agency Listings:

US Standard UL 873, Underwriters Laboratories (File #E9429 XAPX, Temperature

Indicating and Regulating Equipment).

Candadian Standard C22.2 No. 24: Underwriters Laboratories (File #E429 Category

XAPX7, Temperature Indicating and Regulating Equipment).

Hazardous Location Models, UL file #E29291. Designed for use in hazardous locations

N.E.C., Class 1, Groups C and D, and Class 2, Groups E, F , and G. Temperature code T6 for

hazardous housing.

T able-1 Model Chart.

Power

Part Number

MA-305 MA-305-500 Yes MA-405 MA-405-500 Yes MA-318 MA-318-500 Yes MA-416 MA-416-500 Yes MA-418 MA-418-500 Yes MA-419 MA-419-500 Yes MA5-419 MA5-419-500 Yes

a 4.4 FLA, 26.4 LRA @ 24 or 120 Vac; 2.4 FLA, 13.2 LRA @ 240 Vac. b Spring return timing with full load opposing spring is approximately 60 sec.

Supply Auxiliary

Switch

Vac Hz Running Holding

120

208

120

240

Input

Watts

Running

Holding

56 56

48 48

92 32

104 38

108 42

120 39

VA Rated

Torque

lb-in. (N-m)

16 (1.8)

60 (6.8)

No Load

Timing in

Seconds at

75 °F (24 °C)

Mounting Application

Any Position

(Horizontal

Output Shaft

Position

Preferred)

Output Shaft

Must Be

Horizontal

Damper

Actuators

Damper and Valve Actuators

Table-2 Actuator Part Numbers for Hazardous Location Applications.

Standard

Part Numbers

Hazardous Location Actuator Assemblies

Part Numbers

b c d

Damper Actuators Valve Actuators

MA-305 MA6-305 — MA-305-500 — — MA-405 MA6-405 — MA-405-500 MA6-405-500 — MA-318 MA6-318 MA8-318 MA-318-500 MA6-318-500 MA8-318-500 MA-416 MA6-416 — MA-416-500 MA6-416-500 — MA-418 MA6-418 MA8-418 MA-418-500 MA6-418-500 MA8-418-500 MA-419 MA6-419 — MA-419-500 MA6-419-500 — MA5-419 MA7-419 — MA5-419-500 MA7-419-500 —

MAx-31x-x-x-4 and MAx-41x-x-x-4 series actuators provide significantly improved high temperature exposure performance for use in smoke or fire dampers, or combination smoke and fire dampers. Refer to Engineering Information EN-216 (UL 555S), F-27068.

Class 1, Groups C & D, and Class 2, Groups E, F, and G hazardous locations; refer to EN-56-2.

Models for hazardous locations are only available as factory-built enclosure/actuator assemblies.

See standard actuator part number wiring diagrams for wiring terminations.

ACCESSORIES

Damper Only AM-111 Crank arm for 5/16" diameter damper shaft AM-112 Crank arm for 3/8" diameter damper shaft AM-113 Crank arm for 1/2" diameter damper shaft AM-115 Crank arm for 7/16" diameter damper shaft AM-122 Linkage connector straight type AM-123 Damper clip AM-125 5/16" diameter x 20" damper rod AM-125-048 5/16" diameter x 48" damper rod AM-132 Ball joint connector AM-161 Damper linkage kit AM-161-1 Damper linkage kit AM-301 90° mounting bracket (not used with MA6-xxx, MA7-xxx, & MA8-xxx)

Valve Only (To be used with 60 lb-in. (6.8 N-m) actuators only, excluding MA7-xxx & MA8-xxx)

AV-29 & AV-300 Linkage for 2-1/2" & 3" discontinued VB-9323 AV-391 Linkage for 1/2" to 2" VB-7xxx and 1/2" to 1-1/4" discontinued VB-9xxx AV-392 Linkage for 1-1/2" and 2” discontinued VB-9xxx AV-395 Linkage for 2-1/2" to 4" VB-931x or discontinued VB-92xx

Valve Only (To be used with 60 lb-in. (6.8 N-m) MA7-xxx & MA8-xxx hazardous location actuators only)

AV-291 Linkage for 1/2" to 2" VB-7xxx valves assembled with hazardous location actuator

assemblies.

AV-295 Linkage for 2-1/2" and 3" VB-9xxx valves assembled with hazardous location actuator

assemblies.

TYPICAL APPLICATIONS (Wiring Diagrams)

MA-318, MA-416 MA-418, MA-419

Series Actuator

1 Actuator rotates 180° CW when thermostat or switch contacts are closed.

Actuator spring returns when thermostat or switch contacts are open.

2 High Input (Running)

3 Low Input (Holding)

4 Aux. Switch for -500 Models

Thermostat

or Switch

L1 or H

L2 or G

COM

Thermostat

L1 or H

L2 or G

1 Actuator rotates 180° CW when thermostat or switch contacts are closed.

Actuator spring returns when thermostat or switch contacts are open.

2 Aux. Switch for -500 Models

or Switch

Figure-1 Typical Wiring for MA-305 and MA-405 Series.

MA-305 MA-405

Series Actuator

Motor

Field Coil

COM

Figure-2 Typical Wiring for MA-318, MA-416, MA-418, and MA-419 Series.

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