2810T Series
.....................................................................
Maximum Security
With Terminals
1/2"
0.75"
1.92 cm
Pipe Thread
1.50"
3.81 cm
2.00"
5.08 cm
3.81 cm
1.50"
5.25"
13.34 cm
5.75"
14.61 cm
Switch
5.75"
14.61 cm
• Magnet tamper interlock shields
intervening magnetic flux
• Ultimate high security contact design
• Undefeated by prominent testing
laboratories
• Triple-biased reeds make defeat with
external magnets virtually impossible
• Magnetic field tamper
• Options include remote test, resettable
current limiting device, custom
modifications available
ORDERING Gap S.P.D.T. Lead
INFORMATION Size Type
Maximum Security Switch3/16" to 5/8" 2814T #6 Screw
with Guarded Housing Terminal
3.125"
7.94 cm
1.032"
2.62 cm
Not to scale
0.770"
1.96 cm
2.875"
7.29 cm
Magnet
Side View
3.00"
7.62 cm
Maximum Security Switch1/8" to 1/2" 2817T #6 Screw
with Guarded Housing Terminal
and Internal Shield
NOTE: Heavy-duty die-cast aluminum housing with brown textured paint
For Accessories, see page 6.43
SENTROL
1.800.547.2556
6.31
General Specifications
Operating Specifications
Gap Distances
.......................................................
Switch Configurations
Ratings nominal and may vary ±20%.
Ratings are distance for switch to “make.”
Break distance approximately 1.1 to 1.5
times “make.”
Wire Colors
Switch closed when
magnet is in close
S.P.D.T. .................... Common = Black
Open loop = Red
Closed loop = White
Environmental Specifications*
Temperature Range .. – 40°F to 150°F
on regular gap models
............................. –20°F to 150°F
on biased contacts
Shock␣ ......................... 50 G’s @ 11 ms
Impact ..... withstands drop of 2" dia.
steel ball from 30"
Vibration ....... 35 G’s @ 50-2000Hz
*See specific product bulletins
for specific model specifications.
Electrical Specifications
UL Rating
Switching Voltage (Max.)
Switching Current (Max.)
Watts (Max.) (Volts x Amps)
D
E
T
B
S
Y
I
L
U
N
D
E
R
W
R
I
T
E
R
S
'
L
A
O
B
T
O
A
R
European Union Specification 48V AC/DC 0.5 Amps
Closed Open S.P.D.T. D.P.D.T.
Loop Loop
Switch has
common, open
and closed side
Two switches
each having
common, open
and closed sides
proximity
Switch open
when magnet is in
close proximity
...................................................
Closed Open S.P.D.T. D.P.D.T.
Loop Loop
100 Volts 30 Volts 30 Volts 30 Volts
.5 Amp .25 Amp .25 Amp .25 Amp
7.5 Watts 3 Watts 3 Watts 3 Watts
A
D
A
N
ULC Specifications All contacts: 30 VDC, 50 mA max.
A
C
F
O
S
E
I
R
MAGNETIC CONTACTS
WARNING!
Each electrical rating is an individual maximum and cannot be exceeded!
SENTROL
1.800.547.2556
6.49