Page 1
N505A/STMPA
MAGNETIC PULL-A-PART
DESCRIPTION
Nascom’s N505A/STMPA Magna Pull is the most durable on the market today. There are no plastic parts to break. Magnets won’t fall out of the housing
& the switch won’t bend or break. Our magnet housing is bar stock aluminum
and the switch housing is tubed aluminum lled with epoxy protecting the reed
switch in side. This switch is used for protecting gates of all types and commercial trailers connected to distribution warehouse dock alarm systems.
FEATURES
• ANODIZED ALUMINIUM HOUSING FOR MAXIMUM DURABILITY
• ARMORED CABLE LEAD PROTECTION
• FAST AND EASY INSTALLATION
• HIGH SECURITY OPTION AVAILABLE
ORDERING INFORMATION
CONTACT RATING
PART
NUMBER
CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N505A/STMPA BLACK 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
COLOR
(Max DC/Peak AC Resistive)
SWITCHING CARRY
V I V I
STATIC
CONTACT
RESISTANCE
(50mV, 100mA)
Royne Industries LLC dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 120405-03 Rev. 2
110
Page 2
WIRING SCHEMATIC
SWITCH
CONTACT
CLOSED LOOP,
NORMALLY OPEN CONTACT
DIMENSIONS - IN [mm]
N505A/STMPA
MAGNETIC PULL-A-PART
SWITCH
MAGNET
MAGNET
(SIDE VIEW)
Royne Industries LLC dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 1600405-03 Rev. 2
111
Page 3
N505A/STMPA
INSTALLATION INSTRUCTIONS
• Unpack the switch assembly and uncoil the ex cable.
• Position the switch assembly in the desired location making sure there is enough room to remove the switch tube
housing from the magnet housing.
• Mark the mounting hole locations and drill the mounting screw hole using a drill sized for a #6 self-tapping screw.
• Mount the switch assembly.
• Connect the switch leads to an ohm meter and operate the switch by removing and replacing the switch housing
tube to test for correct operation.
• Connect the switch leads to the alarm system.
PART NUMBER SYSTEM
MAGNETIC PULL-A-PART
PRODUCT TYPE (1 or 2 digits):
• ST = SWITCH/MAGNET SET
• SW = SWITCH ONLY
• M = MAGNET ONLY
• MPA: MAGNETIC PULL APART
N505A
ST MPA/ XXXX XX
LEAD LENGTH (zero, 3 or 4 digits):
• Blank - 36 Inches
• All other lengths specied in
Inches with 3 digits (e.g. 060 =
60 Inches)
* lead length is armored cable length-
wire length is 12 inches greater
than armored cable length
CIRCUIT (0, 2 or 3 digits):
• Blank = CLOSED LOOP
• HS = HIGH SECURITY
Royne Industries LLC dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 1600405-03 Rev. 2
112
Loading...