SK312 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – LIGHTING ARRESTERS FOR 3-WIRE SENSORS

ARREX
LIGHTING ARRESTERS
FOR 3-WIRE SENSORS
MODEL
SK-312
TYPICAL APPLICATIONS
¡¤ Three-Wire Sensors or transmitter for instance
Potentiometer/Resistance Temperature
ELEMENT
COMMOM SPECIFICATIONS
Construction : plug-in
Housing material : plastic (black)
SOCKET
INSTALLATION
Operating temperature : -10 to +60¡É
Operating humidity : 90%RH(non-condensing)
Mounting : WALL or DIN rail
Size : W28.5 X H71 X D78.5
Weight : 72g
The Vector Lightning Arrester Model SK-312 is designed specifically
for 3-wire sensors transmitter. Lightning surges damage that enters into
wiring between the potentiometter/RTD and transmitter will be absorbed
by the SK-312, thus will protect the potentiometer and transmitter.
SPECIFICATIONS
DESCRIPTIONS
PARTICULAR
Model
DATA
SK-312
Discharge Voltage
btwn L-SG
¡¾ 16V
Maximum Leakage
Current
btwn L-SG
btwn
L or SG-E
btwn L-SG
Max. surge Voltage
btwn
L or SG-E
Discharge Current Capacity
btwn L-SG
Response Time
btwn
L or SG-E
Internal Series Resistance
Max. Load Current
5§Ë (at 16VDC)
1mA (at 135VDC)
¡¾ 34V(8x20§Á )
250V (8x20§Á )
3500A(8x20§Á )
<0.001nsec
<1¥ì sec
Approx. 0.1¥Ø (including return)
100mA
SOCKET
Model : PTF08A-B
¡¤ DIN rail or wall mount
¡¤ Compact and light-weight
¡¤ Plug-in structure
¡¤ No interruption of transmission when unplugging the arrester element
¡¤ Lightning surges are absorbed to a large extent. The SK-312 has
high responsiveness
SCHEMATIC CIRCUITRY
TO CABLE
-+ ^{L1 6}
+- L2 ⁵
COM SG ⁷
TO EQUIPMENT
4 _{D1 +-}
3 _{D2 -+}
1 _{SG COM}
EARTH
(<100§Ù )
E
8
DISCHARGE
ELEMENTS
2 _FG
FRAME
GROUND
DIMENSIONS [Scale : mm(inch)]
8(0.31)
SOCKET
ELEMENT
2-4.5X6
(0.18X0.24)
HOLE
8-M3, 5X8
(0.14X0.31)
SCREW
TERMINAL
TOP VIEW
21
FIXTURE SIZE
19(0.75)
4
3
30(1.18)
65(2.56)
6
(0.24)
28.5(1.12)
TEL: [phone](REF) FAX : [phone]
6
5
87
HOLE
4.5(0.18)
ARREX-SERIES