Data Sheet

CORPORATE HEADQUARTERS
Sentrol reserves the right
to change specifications
without notice.
©1998 Sentrol
12345 SW Leveton Dr., Tualatin, OR 97062
Tel.: [phone] Fax: [phone]
http://www.sentrol.com
U.S. & Canada: 800.547.2556
Technical Service: 800.648.7424
FaxBack: 800.483.2495
SENTROL
Architects and Engineering Specifications
The contact contains a hermetically sealed magnetic reed
switch. The reed shall be potted in the contact housing with
a polyurethane based compound. Contact and magnet
housing shall snap-lock into a 3/4" or 1" dia. hole. Housings
shall be molded of flame retardant ABS plastic. Color of
housings shall be off-white, grey or mahogany brown. The
magnet shall be made of Alnico V. Rare Earth Magnet shall
be made of neodymium iron boron.
Designed for Use in Steel Doors
Snap-lock insulation bushing for tight fit and maximum gap
in steel.
Rugged Unibody Construction for Maximum
Durability and Reliability
Both contact and magnet plastic housings are constructed of
one piece of thick-walled ABS plastic for maximum strength
and durability.
Sentrol 1078/78C Series
Specifications:
Form A: (R)1078, 1078W, (R)1078C, 1078CW, 1078C1
Voltage .................................................. 100 V AC/DC max.
Current ............................................................... 0.5 A max.
Power ................................................................. 7.5 W max.
Form B: (R)1077, 1077W, (R)1077C, 1077CW
Voltage .................................................... 30 V AC/DC max.
Current ............................................................. 0.25 A max.
Power ................................................................. 3.0 W max.
Form C: (R)1076, 1076W, 1076H, (R)1076D, 1076C(D), 1076CW,
1076CH
Voltage .................................................... 30 V AC/DC max.
Current ............................................................. 0.25 A max.
Power ................................................................. 3.0 W max.
SPDT Lead Colors:
Black: Common, White: Closed Loop, Red: Open Loop
Magnet
Part No. 1921
(included)
1.125"
2.86 cm
1.563"
3.97 cm
1.125"
2.86 cm
1.00"
2.54 cm
(R)1078,
1078W,
(R)1077,
1077W,
(R)1076,
1076W,
1076H,
(R)1076D
Magnet
Part No. 1921C
(
included
)
.875"
2.22 cm
1.563"
3.97 cm
1.125"
2.86 cm
.750"
1.91 cm
.375"
.962 cm
(R)1078C,
1078CW,
1078C1,
(R)1077C,
1077CW,
(R)1076C,
1076CW,
1076CH
C-3617-FLG10K-1198
Printed on recycled paper
Model Loop Elect. Hole Required Gap Distance*
Number Dia. Type Config. Contact Magnet Wood* Steel* Rare Earth
(R)1076 1" Open or Closed SPDT 1" x 1.125" 1" x 1.563" 1" Up to 1/2" Up to 5/8"
1076W 1" Open or Closed SPDT 1" x 1.125" 1" x 1.563" 2" Up to 1"
(R)1076D 1" Open or Closed DPDT 1" x 1.125" 1" x 1.563" 3/4" Up to 3/8" Up to 5/8"
1076H 1" Open or Closed SPDT 1" x 1.125" 1" x 1.563" 3/4" Up to 1/2"
(R)1078 1" Closed N/O 1" x 1.125" 1" x 1.563" 1" Up to 1/2" Up to 5/8"
1078W 1" Closed N/O 1" x 1.125" 1" x 1.563" 2" Up to 1"
(R)1076C 3/4" Open or Closed SPDT .75" x 1.125" .75" x 1.563" 7/8" Up to 3/8" Up to 5/8"
1076CW 3/4" Open or Closed SPDT .75" x 1.125" .75" x 1.563" 2" Up to 3/4"
(R)1078C 3/4" Closed N/O .75" x 1.125" .75" x 1.563" 7/8" Up to 3/8" Up to 5/8"
1078C1 3/4" Closed N/O .75" x 1.125" .75" x 1.563" 1/2" N/A
1078CW 3/4" Closed N/O .75" x 1.125" .75" x 1.563" 2" Up to 3/4"
1076CH 3/4" Open or Closed SPDT .75" x 1.125" .75" x 1.563" 5/8" Up to 3/8"
Ordering Information
* Gap distances are nominal make distance +/- 20%.
(R) prefix indicates
Rare Earth Magnet
Protected by U.S. Patent
5,844,458.
Rare Earth Magnet
1.625"
4.13 cm
1.813"
4.60 cm
0.89"
2.26 cm
0.5"
1.27 cm
0.625"
1.59 cm
Legs may be cut
for Height Adjustment