COMPACT CONNECTOR
TERMINAL FOR
REDUCED WIRING
FEATURES
• One-touch wiring with the various
controller types greatly reduces the
time required for wiring operations.
• Compact space-saving design
Design and dimensions match those for
the RT-2 relay terminal.
• Wide variation of pole: 20, 30, 34 and
40 poles
• Available in pressure connector con-
nect type and wire-direct connect
type
The direct connect type is a compact 62
×
52 mm
2.441
×
2.047 inch
(20P type).
• Exclusive cables can be provided
• Integrated AXM connector (comply-
ing to MIL Standard, Long lever type)
CT-2
CONNECTOR
TERMINAL
TYPICAL APPLICATIONS
I/O interface for PLCs, personal comput-
ers and various types of controllers.
Pressure connector
connect type
Wire-direct connect type
ORDERING INFORMATION
Ex. CT2
Installation type
M
C
Termination type
20
No. of poles
20: 20 poles
30: 30 poles
34: 34 poles
40: 40 poles
Blank: DIN rail mounting Blank: Pressure connector
type
connect type
M:
Direct mounting
C:
Wire-direct
type
connect type
TYPES
1. DIN rail mounting type
Connection
method
Pressure
connector
connect type
No. of poles Part No.
20
30
34
40
20
Wire-direct
connect type
30
34
40
CT2-20
CT2-30
CT2-34
CT2-40
CT2-C-20
CT2-C-30
CT2-C-34
CT2-C-40
1 pc.
20 pcs.
Wire-direct
connect type
Packing quantity
Inner carton Outer carton
2. Direct mounting type
Connection
method
Pressure
connector
connect type
No. of poles Part No.
20
30
34
40
20
30
34
40
CT2-M-20
CT2-M-30
CT2-M-34
CT2-M-40
CT2-MC-20
CT2-MC-30
CT2-MC-34
CT2-MC-40
Packing quantity
Inner carton Outer carton
1 pc.
20 pcs.
SPECIFICATIONS
Rated voltage
Rated current
Breakdown voltage
Insulation resistance
Fasten torque
Ambient temperature
125 V AC
1A
250 Vrms for in min.
100 M
Ω
(at 500 V DC megger)
Pressure connector connect type:
0.3 to 0.5 N·m {3 to 5 kgf·cm}
Wire-direct connect type
0.2 to 0.4 N·m {2 to 4 kgf·cm}
0
°
C to +55
°
C
+32
°
F to +131
°
F
CONNECTOR
• Applicable connector (socket)
Product name
No. of poles
Part No.
20
AXM120415
30
AXM130415
34
40
AXM134415
AXM140415
MIL type AXM Flat Cable Connector
• Applicable flat cable
Standard wire: standard pitch (1.27 mm
0.050 inch)/
conductor #28 (7 wire/0.127 dia.)
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
CT-2
TERMINAL BLOCK
1. Pressure connector connect type
• Applicable electrical wire
0.25 to 1.65 mm
2
.01 to .065 inch
• Applicable wire-pressed terminals
2. Wire-direct connect type
When wiring screw-clamped terminal blocks, strip the lead wires
and connect them properly.
mm
inch
3 dia. min.
.118 dia. min.
5.6 max.
.220 max.
3 min.
.118 min.
Stripping length
8 to 10 mm
.315 to .394 inch
Recommended wire
• 0.128 to 1.318 mm
.005 to 0.52 inch
• 0.4 to 1.3 mm dia.
.016 to .051 inch dia.
5.6 max.
.220 max.
4
4.5 min.
.157 .177 min.
4
4.5 min.
.157 .117 min.
DIMENSIONS
1. DIN rail mounting type
Pressure connector connect type (20 poles)
98
3.858
±.039
±1
mm
inch
Wire-direct connect type 20 poles
42
1.654
±.024
±0.6
62
±1
2.441
±.039
42
±0.6
1.654
±.024
B1
A1
B10
A10
B1
A1
B10
A10
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
B10
A10
52
±1
2.047
±.039
52
±1
2.047
±.039
7.62
±0.3
.300
±.012
20-M3
.118
terminal screw
6.2
±0.3
.244
±.012
5.08
±0.3
.200
±.012
Pressure connector connect type (30 poles)
134
5.276
±.039
±1
Wire-direct connect type (30 poles)
98
±1
3.858
±.039
B1
A1
B15
A15
B1
A1
B15
A15
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
B10
A10
B11
A11
B12
A12
B13
A13
B14
A14
B15
A15
7.62
±0.3
.300
±.012
30-M3
.118
terminal screw
6.2
±0.3
.244
±.012
5.08
±0.3
.200
±.012
Pressure connector connect type (34 poles)
170
6.693
±.039
±1
Wire-direct connect type 34 poles
98
±1
3.858
±.039
B1
A1
B17
A17
B1
A1
B17
A17
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
B10
A10
B11
A11
B12
A12
B13
A13
B14
A14
B15
A15
B16
A16
B17
A17
7.62
±0.3
.300
±.012
34-M3
.118
terminal screw
6.2
±0.3
.244
±.012
5.08
±0.3
.200
±.012
Pressure connector connect type (40 poles)
170
±1
6.693
±.039
Wire-direct connect type (40 poles)
134
±1
5.276
±.039
B1
A1
B20
A20
B1
A1
B20
A20
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
B12
B13
B14
B16
B17
B18
B19
B20
B11
B15
B10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A10
7.62
±0.3
300
±.012
40-M3
.118
terminal screw
6.2
±0.3
.244
±.012
5.08
±0.3
.200
±.012
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
CT-2
SCHEMATIC (Top View)
20 poles
Connector No.
A
1 2 3 4 5 6 7 8 9 10
34 poles
Connector No.
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Terminal No.
(from left on the lower stage)
1 2 3 4 5 6 7 8 9 10
A
B
1 2 3 4 5 6 7 8 9 10
Terminal No.
(from left on the lower stage)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
A
B
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Connector No.
Connector No.
Terminal No.
(from left on the upper stage)
1 2 3 4 5 6 7 8 9 10
B
Terminal No.
(from left on the upper stage)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
B
30 poles
Connector No.
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
40 poles
Connector No.
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Terminal No.
(from left on the lower stage)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
A
B
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Terminal No.
(from left on the lower stage)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A
B
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Connector No.
Connector No.
Terminal No.
(from left on the upper stage)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
B
Terminal No.
(from left on the upper stage)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
B
CAUTIONS FOR USE
1. Installation
1) Perform mounting hole cutout accord-
ing to the panel cutout drawings.
2) When installing the unit on a DIN rail,
use the DIN rail locking lever on the side
of the unit. Installation is accomplished by
simply fitting the unit onto the rail and
pressing gently.
2. Removal of cover
1) Insertions and withdraws of connector
can be done by lifting the cover like
1
.
2) Wiring to the terminal can be done by
lifting the cover like
2
.
3) Removal of the cover can be done by
lifting it like
3
.
4) In case of resetting the cover, please
push the cover like
4
.
1
2
3) In order to improve noise resistance,
class 3 grounding of the control panel is
recommended.
4) Turn off the power before connecting/
disconnecting connector cables.
4. Operating environment
1) Use the product at ambient operating
temperature between 0
°
C and 55
°
C
32
°
F
and 131
°
F.
2) The main unit is made of resin; there-
fore, do not use it in areas where it may
come in contact with (or be exposed to)
organic solvents such as benzine, thinner,
and alcohol or strong alkaline substances
such as ammonia and caustic soda.
3) Do not use the product in areas where
it may be exposed to flammable gases,
corrosive gases, excessive dust, or mois-
ture, or areas where it may be subjected
to strong vibration or shock.
5. Transporting and storage
1) If the product is subjected to extreme
vibration while being transported, the re-
lays may become detached, the lead may
become bent, and the unit may become
damaged. Handle the inner and outer
boxes with care.
2) If the product is stored in an extremely
adverse environment, visible defects and
deterioration of performance characteris-
tics may result. We recommend the fol-
lowing storage conditions.
• Temperature: 5 to 30
°
C
41 to 86
°
F
• Humidity: Max. 60% R.H.
• Environment: No hazardous sub-
stances such as sulfurous acid gases
and little dust.
1
First push in
the DIN rail
locking lever.
DIN rail locking lever
DIN rail
3
Press the unit onto
the DIN rail.
2
Hook the holders on the
unit over the DIN rail.
3) To remove the unit from the DIN rail,
use a flat head screwdriver to pull out the
DIN rail locking lever.
3
Remove the unit from
the DIN rail.
3
4
2
Move the
screwdriver in
the direction
of the arrows,
and pull out
the lever.
1
Insert the tip of the
flat head screwdriver
into the slot in the
DIN rail locking lever.
4) Be careful not to drop or shock the unit.
Excessive shock such as dropping may
cause damage or malfunction.
3. Wiring and circuit configuration
1) Make all connections according to the
schematic.
2) When wiring power lines or power ca-
bles, twisted pair treatment (standed wire
treatment) should be done in order to im-
prove noise resistance.
All Rights Reserved © COPYRIGHT Matsushita Electric Works, Ltd.
ADI Reference Circuit
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