Round Water-resistant Connectors (M8/S8)
XS3
CSM_XS3_DS_E_7_6
Small Round Water-resistive
Connectors
• Water-resistive, compact connector meets IP67 requirements.
• Conventional M8 screw-on models are available along with S8
snap-in models that connect and disconnect with one touch.
• Ideal for a wide variety of FA and OA applications.
• Connectors on both cable ends require no harness work.
• Some new M8 models with 3 or 5 poles.
• Oil-resistant Polyurethane Robot Cables added.
• M8-M12 conversion cables are also available.
Refer to
Safety Precautions
on page 24.
Model Number Legend
Connectors with Cables Model Number Legend
Connector
Cable specifications
XS3: M8 screw connection
Cable length (m)
Model
Reference page
Robot cable
Connectors on both cable ends
Oil-resistant (PUR) robot
cable
Standard cable
Connector on one cable end
(Socket)
Robot cable
Oil-resistant (PUR) robot
cable
PUR (low-temperature use)
cable
Connector on one cable end
(Plug)
Robot cable
Oil-resistant (PUR) robot
cable
1
2
5
1
2
5
2
5
10
1
2
5
10
2
5
2
5
0.3
1
2
5
XS3W-M421-401-R
XS3W-M421-402-R
XS3W-M421-405-R
XS3W-M421-401-PR
XS3W-M421-402-PR
XS3W-M421-405-PR
XS3F-M421-402-A
XS3F-M421-405-A
XS3F-M421-410-A
XS3F-M421-401-R
XS3F-M421-402-R
XS3F-M421-405-R
XS3F-M421-410-R
XS3F-M421-402-PR
XS3F-M421-405-PR
XS3F-M421-402-L
XS3F-M421-405-L
XS3H-M421-4C3-R
XS3H-M421-401-R
XS3H-M421-402-PR
XS3H-M421-405-PR
4
9
14
Note: Only DC, straight, and 4-core types are shown in this table. Refer to the relevant pages for other products.
1
XS3
Ratings and Specifications
Item
Model
Rated current
Rated voltage
Contact resistance
(connector)
Insulation
resistance
Dielectric strength
(connector)
Degree of
protection
Insertion tolerance
Cable tensile
strength *1
Ambient operating
temperature range
Ambient humidity
range
XS3F/H/W/P/M
1 ADC
125 VDC *2
XS3F-M52
@
-5
@@
-A
3 ADC
30 VDC
XS3M-M524-1
@
XS3R
1 ADC
125 VDC
60 m
max.
(20 mV max., 100 mA max.)
40 m max. (20 mV max., 100mA max.)
1,000 M min. (at 500 VDC)
1,000 VAC for 1 min
(leakage current: 1 mA
max.)
IP67 (IEC60529)
200 times
49 N/15 s
−25 to 70°C *3
20 to 85%RH
−25 to 85°C
650 VAC for 1 min (leakage current: 1 mA max.)
1,000 VAC for 1 min
(leakage current: 1 mA
max.)
−25 to 70°C
*1. Models with cable only
*2. Except 5 poles
*3. Use the robot cable within a temperature range between 0°C and 70°C to prevent the wires inside the cable from being broken when bending it.
Materials and Finish
Connector
Type
M8
S8
Item
Model
XS3F/H/W/R
XS3P/M *
XS3M-M524-1
@
XS3F/W (Socket side) XS3H/W (Plug side)
XS3P
Contact block
PBT resin (UL94 V-0) light gray or black
Phosphor bronze/nickel Brass/nickel base,
Phosphor bronze/nickel Brass/nickel base,
Contacts
base, 0.4-μm gold plating 0.4-μm gold plating
base, 0.4-μm gold plating 0.4-μm gold plating
Fixture
Brass/nickel plating or SUS316L
—
Brass/nickel plating
—
Brass/
Nickel-plated zinc
Body
—
—
nickel plating
alloy
Shell
—
TPEE
Phosphor bronze/
C-Ring
—
—
tin plating
Phosphor bronze/
Grounding fixture
—
—
tin plating
Nut
—
Brass/nickel plating
—
Brass/nickel plating
Soft PBT resin
Cover
—
TPEE
—
(UL94V-0)
O-ring
Rubber
*Except 5 poles
Note: The XS3M is for both M8 and S8.
Cables
Item
Standard cable
Robot Cable
Oil-resistant polyurethane
robot cable
Poles
3 poles
4 mm dia, AWG24 (0.2 mm
2
)
Structure: 0.12 mm/18
4 mm dia, AWG24 (0.2 mm
2
)
Structure: 0.08 mm/40
—
4 poles
5 poles
4.7 mm dia, AWG24 (0.2 mm
2
)
Structure: 0.16 mm/11
—
4.7 mm dia, AWG22 (0.3 mm
2
)
Structure: 0.08 mm/60
—
Note: Only the XS3F (socket) is available with 5 poles.
Pin Arrangement (Engaged Side)
Item
Poles
Male (plug)
contacts
DC
Female
(socket)
contacts
4
3
1
4
3
2
1
3
5
4
2
1
3 poles
4
1
3
4 poles
2
1
4
3
5 poles
2
1
5
4
3
2
XS3
XS3W
Connectors with Cables, Connectors on Both Cable Ends (Socket/Plug)
Model Number Legend
Use this model number legend to identify products from their model number. Use this model number legend to identify products
from their model number. When ordering, use a model number from the table in
Ordering Information.
XS3W-@@2@-@@@-@
1
2
3
4
5
6
1. Fastening
Method
M: M8
S: S8
2. Connector
Poles
3: 3 poles
4: 4 poles
3. Cable Connection
Direction
1: Straight/Straight
2: Right-angle/Right-angle
3: Straight (socket)/
Right-angle (plug)
4: Right-angle (socket)/
Straight (plug)
4. Connections
Pin No.
➀
➂
➃
3: Brown Blue Black
Pin No.
➀
➁
➂
➃
4: Brown White Blue Black
5. Cable Length
01: 1 m
02: 2 m
05: 5 m
6. Cable Specifications
R: Vibration-proof robot cable
PR: Oil-resistant polyurethane
robot cable
Ordering Information
M8 Screw-on Connectors
Cable specifications
No. of cable cores
3
Cable connection direction
Straight/Straight
Cable length L (m)
1
2
5
1
Straight/Straight
Vibration-proof robot
cable
4
2
5
Right-angle/Right-angle
Straight (Socket)/Right-angled (Plug)
Right-angle (socket)/Straight (plug)
2
5
2
5
2
5
1
Straight/Straight
2
5
1
Right-angle/Right-angle
Oil-resistant
polyurethane robot cable
4
Straight (Socket)/Right-angled (Plug)
2
5
1
2
5
1
Right-angle (socket)/Straight (plug)
2
5
Model
XS3W-M321-301-R
XS3W-M321-302-R
XS3W-M321-305-R
XS3W-M421-401-R
XS3W-M421-402-R
XS3W-M421-405-R
XS3W-M422-402-R
XS3W-M422-405-R
XS3W-M423-402-R
XS3W-M423-405-R
XS3W-M424-402-R
XS3W-M424-405-R
XS3W-M421-401-PR
XS3W-M421-402-PR
XS3W-M421-405-PR
XS3W-M422-401-PR
XS3W-M422-402-PR
XS3W-M422-405-PR
XS3W-M423-401-PR
XS3W-M423-402-PR
XS3W-M423-405-PR
XS3W-M424-401-PR
XS3W-M424-402-PR
XS3W-M424-405-PR
3
XS3
S8 Snap-in Connectors
Cable specifications
No. of cable cores
Cable connection direction
Straight/Straight
Cable length L (m)
1
2
5
Vibration-proof robot
cable
4
Right-angle/Right-angle
Straight (Socket)/Right-angled (Plug)
Right-angle (socket)/Straight (plug)
Note: Ask your OMRON representative about other cable lengths.
Model
XS3W-S421-401-R
XS3W-S421-402-R
XS3W-S421-405-R
XS3W-S422-402-R
XS3W-S422-405-R
XS3W-S423-402-R
XS3W-S423-405-R
XS3W-S424-402-R
XS3W-S424-405-R
2
5
2
5
2
5
Wiring Diagram/Engaged Side
3 poles
4
3
1
Pin No.
1
3
4
Cable lead colors
1
3
4
Brown
Blue
Black
1
4
3
Socket
Plug
Cable lead colors
1
2
3
4
4 poles
4
3
2
1
Pin No.
1
2
3
4
Brown
White
Blue
Black
2
1
4
3
Socket
Plug
Mating Connectors
Model
XS3W (M8)
Socket side
XS3M (M8/S8)
XS3H (M8)
XS3M (M8/S8)
XS3H (S8)
Plug side
XS3F (M8)
XS3W (M8)
XS3P (M8)
XS3F (S8)
XS3W (S8)
XS3P (S8)
XS3W (S8)
Note 1. Cables can be extended with more than one XS3W.
2. M8 screw models and S8 snap-in models cannot be connected to each other.
4
XS3
Dimensions
M8 Screw-on Connectors with Vibration-proof Robot Cable
Straight/Straight Connectors
XS3W-M321-3@@-R (3-core)
XS3W-M421-4@@-R (4-core)
4 dia.
M8 × 1.0
(Unit: mm)
Straight (Socket)/Right-angle (Plug) Connectors
XS3W-M423-4@@-R (4-core)
M8 × 1.0 10
dia.
Socket
9 dia.
Plug
10 dia.
9
dia.
31.4
4 dia.
21.1
31.4
L
32
23.1
L
Right-angle/Right-angle Connectors
XS3W-M422-4@@-R (4-core)
9
dia.
M8 × 1.0
10
dia.
Right-angle (Socket)/Straight (Plug) Connectors
XS3W-M424-4@@-R (4-core)
9
dia.
4 dia.
20.5
21.1
20.5
4 dia.
M8 × 1.0
10
dia.
23.1
L
23.1
23.1
L
32
M8 Screw-on Connectors with Oil-resistant Polyurethane Robot Cable
Straight/Straight Connectors
XS3W-M421-4@@-PR (4-core)
M8 ×
1
Straight (Socket)/Right-angle (Plug) Connectors
XS3W-M423-4@@-PR (4-core)
Molded part (black)
M8 ×
1
Molded part (black)
4.7 dia.
9 dia.
4.7 dia.
9 dia.
10 dia.
10 dia.
20.5
21.5
32
L
31.4
32
24.9
L
Right-angle/Right-angle Connectors
XS3W-M422-4@@-PR (4-core)
Molded part (black)
10 dia.
4.7 dia.
9 dia.
Right-angle (Socket)/Straight (Plug) Connectors
XS3W-M424-4@@-PR (4-core)
Molded part (black)
10 dia.
M8 ×
1
4.7 dia.
9 dia.
21.1
M8 ×
1
20.5
21.1
21.5
31.4
24.9
L
24.9
24.9
L
5
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