INSTALLATION INSTRUCTIONS
63-2228—03
220736A,B
Internal Auxiliary Switches
APPLICATION
The 220736A,B Internal Auxiliary Switch kits can be installed
in TRADELINE models of Modutrol IV motors to control
auxiliary equipment as a function of motor shaft position.
FEATURES
• The 220736A includes one spdt Micro Switch V3
precision switch.
• The 220736B includes two spdt Micro Switch V3
precision switches.
• Either kit can be installed in any TRADELINE Modutrol
IV motor.
• Kits provide switch mounting bracket for easy
installation internal to motor.
• The auxiliary switches are actuated by adjustable
cams inside the motor. These cams can be set to
actuate the switches at any angle within the stroke of
the motor. Only Modutrol IV TRADELINE models are
equipped with the cam assemblies for actuating field-
addable auxiliary switches. Switch adjustment
procedures are the same as those for switches that
come factory installed in Modutrol IV motor models.
• Switch differentials of 1 or 10 degrees can be selected.
• Leadwires are color coded to ease correct wiring of
auxiliary equipment.
SPECIFICATIONS
Models 220736A,B Internal Auxiliary Switches for
TRADELINE Modutrol IV Motors: Switches are actuated by
cams in the motor. The cams can be set to operate the
switches at any point in the motor stroke.
220736A: Includes one spdt Micro Switch V3 snap-acting
switch, mounted on left side and operated by outer cam.
220736B: Includes two spdt Micro Switch V3 snap-acting
switches.
Switch differential (difference between switch make and
break points): Approximately 1 or 10 degrees, determined by
cam setting.
Mounting: Switches are factory installed on bracket.
Wiring: Color-coded, 15 in. (381 mm) leadwires.
Electrical ratings:
a
40 VA pilot duty, 120/240 Vac on opposite contact.
One contact
a
120 Vac 240 Vac
Full load 7.2 3.6
Locked rotor 43.2 21.6
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