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ML6194, ML6294
Non-Spring Return
Direct Coupled Actuators
PRODUCT DATA
FEATURES
Mount directly on 1/2 in. to 3/4 in. (13 to 19 mm) round
or square shaft. Mount on 1 in. (26 mm) round shafts
with appropriate insert. All models shipped with 1 in.
insert.
300 lb-in. (34 Nm) torque.
Magnetic coupling eliminates need for mechanical
stops or limit switch adjustments by limiting stall
torque, which is dependent on temperature. Nominal
stall torque at room temperature of 68°F (20°C) is 410
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MAXIMUM TORQUE MINIMUM TORQUE ML6194, ML6294 NON-SPRING RETURN DIRECT COUPLED ACTUATORS SPECIFICATIONS Models: ML6194/ML6294 Non-Spring Return DCA: 500 ML6194A/ML6294A: High Torque (300 lb-in.) DCA without 480 auxiliary switches or time-out feature. 460 ML6194C/ML6294C: High Torque (300 lb-in.) DCA with two 440 low voltage rated auxiliary switches and without time-out 420 feature. 400 ML6194D/ML6294D: High Torque (300 lb-in.) DCA without 380 auxiliary switches and with time-out feature. 360
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ML6194, ML6294 NON-SPRING RETURN DIRECT COUPLED ACTUATORS Minimum shaft length required is 2.5 in. (64 mm). Dimensions: See Fig. 2. Mounting bracket included with all models. All actuators shipped with 1 in. (26 mm) hub insert. See Accessories section for additional hub sizes. 4 (102) 3-3/32 (79) 7/16 (11) 1-17/32 (39) 9/32 (7) 3 PLACES 1 1-1/4 (32) 8-7/16 (215) 7-11/16 (196) 1/2 (12) 36 (914) 1-29/32 13/32 (10) (48) 5/8 (17) 3-5/32 (80) 1/4 (6) 1/8 (3) 1/4 (6) 2 (51) 3/4 1 (25) 7/8 (22) 1
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ML6194, ML6294 NON-SPRING RETURN DIRECT COUPLED ACTUATORS Device Weight: 3.0 lb (1.36 kg). CAUTION Noise Rating: 45 dBA maximum at 1 meter. Equipment Damage Hazard. Wrong location or improper operation will damage Position Indicator: Mounted on actuator hub. the actuator. 1. Deteriorating vapors and acid fumes can damage Actuator Design Life: Full Stroke Cycles: 50,000. actuator metal parts. 2. Install actuator in areas free of acid fumes and other Repositions: 1,500,000 minimum. deterioratin
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ML6194, ML6294 NON-SPRING RETURN DIRECT COUPLED ACTUATORS RETAINING RING HUB INSERTS DECLUTCH BUTTON ACTUATOR SLOT 1 1 INSTALL MOUNTING BRACKET SO THAT MOUNTING M11271A BRACKET TAB IS CENTERED IN ACTUATOR SLOT. DECLUTCH M11272A BUTTON Fig. 3. Installing mounting bracket on ML6194/ML6294 Non-Spring Return DCA. A typical actuator mechanical connection is shown in Fig. 5; Fig. 4. Changing hub inserts. see Fig. 6 through 13 for wiring diagrams. Installation CAUTION Actuator Damage Hazard. Inst
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ML6194, ML6294 NON-SPRING RETURN DIRECT COUPLED ACTUATORS transformer used must correspond with characteristics of motor and those of power supply. See Fig. 5 for standard mechanical connection. See Fig. 6 through 9 for typical wiring diagrams. ML6194A,C CONTROLLER B BLUE MOTOR W YELLOW 1 L1 (HOT) 24 VAC T2 L2 BLACK 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M11283A Fig. 6. ML6194A,C typical wiring diagram. ML6194D,F CONTROLLER B BLUE MOTOR W YELLOW TIME O
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ML6194, ML6294 NON-SPRING RETURN DIRECT COUPLED ACTUATORS ML6194A,C ML6294 CONTROLLER ML6294A,C B CONTROLLER BLUE MOTOR BLUE W YELLOW 1 YELLOW L1 2 1 TIME OUT T2 (HOT) BLACK L1 RED L2 (HOT) 24 VAC T1 L2 BLACK ML6194A,C TAN 3 ML6294A,C GREEN (CLOSED) CONTROLLER ORANGE (OPEN) BLUE YELLOW 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 TIME-OUT FUNCTION AVAILABLE WITH ML6294D,F MODELS. BLACK M11280A 3 500 OHM POTENTIOMETER. 1 POWER SUPPLY. PROVIDE DISCONNECT MEA
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ML6194, ML6294 NON-SPRING RETURN DIRECT COUPLED ACTUATORS 3. Apply 24 Vac control signal to blue (B) lead with respect to black (T1) lead. The actuator should drive shaft open ML6194A,C ML6294A,C (clockwise ). CONTROLLER 4. Apply 24 Vac control signal to yellow (W) lead with BLUE respect to black (T1) lead. The actuator should drive YELLOW shaft closed (counterclockwise ). 1 5. If 24 Vac control signal is removed, actuator should L1 stop. (HOT) BLACK L2 TROUBLESHOOTING ML6194A,C ML6294A,C
