Datasheet

Caution
Electrical Circuits
Without electrical option
DIN terminal, Conduit terminalGrommet, DIN terminal,
Conduit terminal, Conduit
[AC circuit]
DIN terminal, Conduit terminal
With light/surge voltage suppressor
With light/surge voltage suppressor
With surge voltage suppressor
Grommet, DIN terminal,
Conduit terminal, Conduit
Without electrical option
Grommet, Faston terminal
[DC circuit]
* For AC (Class B), the standard product is equipped with surge voltage
suppressor.
One-touch Fitting
Caution
For information on handling one-touch fittings and
appropriate tubing, refer to page 39 and the KQ2
series one-touch fittings in KQ2´s catalogue.
The KQ2 series information can be downloaded from
the following SMC website, http://www.smc.eu
View A-A
(Internal connection diagram)
– mark
+ mark
Round head
combination screw
M3 Tightening torque of
0.5 to 0.6 N·m
2
-
1
+
Round head combination screw
M3 Tightening torque of
0.5 to 0.6 N·m
Terminal cover
A
Conduit terminal
G1/2
Tightening
torque of
0.5 to 0.6 N·m
A
 Conduit terminal
In the case of the conduit terminal, make connections accord-
ing to the marks shown below.
s5SETHETIGHTENINGTORQUESBELOWFOREACHSECTION
s0ROPERLYSEALTHETERMINALCONNECTION'WITHTHESPECIAL
wiring conduit, etc.
Electrical Connections
Caution
Class B coil: AWG20 Outside insulator diameter of 2.5 mm
Class H coil: AWG18 Outside insulator diameter of 2.1 mm
Lead wire
q
Seal
Wiring conduit
(Connection G1/2 Tightening torque of 0.5 to 0.6 N·m)
w
 Conduit
7HENUSEDASAN)0EQUIVALENTUSESEALTOINSTALLTHEWIRING
conduit. Also, use the tightening torque below for the conduit.
*4HEREISNOPOLARITY
.OTE0LEASEORDERSEPARATELY
Rated voltage
DC
100 VAC
200 VAC
Other AC
q
Black
Blue
Red
'REY
w
Red
Blue
Red
'REY
Lead wire colour
Description
Seal VCW20-15-6
0ARTNO
Series VX21/22/23
Specific Product Precautions 5
Be sure to read before handling.
Refer to back cover for Safety Instructions, “Handling Precautions for SMC Products”
(M-E03-3) and the Operation Manual for 2 Port Solenoid Valves for Fluid Control
Precautions. Please download it via our website, http://www.smcworld.com
Light
Varistor
Varistor
Varistor
Rectifier
element
2
1
2
1
Rectifier
element
Varistor
SOL.
SOL.
2 (–, +)
1 (+, –)
SOL.
Light
2 (–, +)
1 (+, –)
2 (–, +)
1 (+, –)
SOL.
SOL.
41