![background image](http://html1.mh-extra.com/html/mars/ph12-series/ph12-series_manual_1730600008.webp)
Document No: ACC-IOM
Date: 04/13/2013
ACCESSORY INSTALLATION SUPPLEMENT
Door Limit and Magnetic Reed Switches
1. Mars door limit and magnetic reed switches are
available with NEMA 1, 4X and 7 ratings. Contact the
factory for additional ratings and details. (See FIG. 1
for typical single swing, hinged door type, door limit
switch installation)
FIG. 1
2. Use light gauge materials when field fabricating
brackets to activate and deactivate the door limit
switch(s). (FIG. 2) Figure 2 also shows the typical
installation of the combination plunger/roller type
NEMA 1 door limit switch, for all non-hinged style
doors.
FIG. 2
3. All wiring must be per local and NEC (National Electric
Code) codes.
4. Panels or controllers may be required. Refer to wiring
diagram inside the control panel box.
FIG. 3
FIG. 4