M12-Round-Plug Connector, Double-Ended Cordsets,
According to IEC 61076-2-101
RST -RKT | RST-RKWT
3-, 4-, 5-, and 8-Poles
Actuator/sensor cordset, double-ended, M12,
3-, 4-, 5-, and 8-poles, male straight to female
straight connector with self-locking thread and
molded cable, IEC color code.
RST-RKT
Actuator/sensor cordset, double-ended, M12,
3-, 4-, 5-, and 8-poles, male straight to female
90° connector with self-locking thread and
molded cable, IEC color code.
RST-RKWT
Pin Assignments
M12
3 poles
4 poles
1=
2 =
3=
4=
brown
n.c.
blue
black
Data sheet | 05/15/18
5 poles
1=
2=
3 =
4=
brown
white
blue
black
6 poles
1=
2=
3 =
4=
5 =
brown
white
blue
black
green/yellow
8 poles
1=
2=
3 =
4=
5 =
6 =
7 =
8=
1.800.Belden1
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white
green
yellow
grey
brown
n.c.
blue
n.c.
1=
2=
3 =
4=
5 =
6 =
7 =
8=
white
brown
green
yellow
grey
pink
blue
shield
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Cordsets
Double-Ended
Be Certain with Belden
M12-Round-Plug Connector, Double-Ended Cordsets, According to IEC 61076-2-101
RST-RKT | RST-RKWT
Technical Data
Environmental
Degree of protection
Operating temperature range
IP 67 / NEMA 6P
-25°C (-13°F) / +80°C (+176°F)
Mechanical
Housing / Molded body
Insert
Contact
Coupling nut
O-ring
TPU
TPU
RST: CuSn, pre-nickeled and
0.8 microns gold-plated
RKT / RKWT: CuSn, pre-nickeled and
0.3 microns gold-plated
CuZn, nickel-plated
FKM (only RKT / RKWT)
Cable Specifications
Conductor Size
Jacket Color
OD
224
PUR, halogen-free
3 x 0.34 mm2
Black
.169" (4.3 mm)
225
PUR, halogen-free
4 x 0.34 mm2
Black
.185" (4.7 mm)
228
PUR, halogen-free
5 x 0.50 mm2
Black
.213" (5.4 mm)
Orange
.185" (4.7 mm)
Orange
.217" (5.5 mm)
Orange
.236" (6.0 mm)
251
259
Electrical
Contact resistance
Nominal current at 40°C
Nominal voltage
Rated voltage
Test voltage
Insulation resistance
Pollution degree
≤ 5 mΩ
3–5 poles 4 A
6-8 poles 2 A
3–4 poles 240 V
5 poles 60 V, 6-8 poles 30 V
3–4 poles 250 V
5 poles 63 V, 6-8 poles 36 V
3–4 poles 2.0 kV eff. / 60 s
5–8 poles 1.5 kV eff. / 60 s
> 109 Ω
3
Part Number
Pins
268
PUR, halogen-free
4 x 0.34 mm2
welding spark proof
PUR, halogen-free
5 x 0.50 mm2
welding spark proof
PUR, halogen-free
6 x 0.34 mm2
welding spark proof
282
PUR, halogen-free
7 x 0.25 mm2
Black
.236" (6.0 mm)
337
PUR, halogen-free
6 x 0.34 mm2
Black
.236" (6.0 mm)
Flex rating for 224/225/228 cable
C-Track flexing: Greater than 5 million bending cycles
Torsion flexing: – >5 million cycles guaranteed – +/- 360° per 1 m length
Outer Jacket
Standard Cable Lengths
RST 3-RKT 4-3-224/...M
RST 3-RKWT 4-3-224/...M
3
PUR, halogen-free
0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
RST 4-RKT 4-225/...M
RST 4-RKWT 4-225/...M
4
PUR, halogen-free
0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
5
PUR, halogen-free,
weld spark proof
PUR, halogen-free
PUR, halogen-free,
weld spark proof
PUR, halogen-free,
weld spark proof
PUR, halogen-free
0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
PUR, halogen-free
0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
RST 4-RKT 4-251/...M
RST 5-RKT 5-228/...M
RST 5-RKT 5-259/...M
RST 8-RKT 8-6-268/...M
RST 8-RKWT 8-6-268/...M
RST 8-RKT 8-6-337/...M
RST 8-RKWT 8-6-337/...M
RST 8-RKT 8-282/...M
RST 8-RKWT 8-282/...M
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6
8
Characteristics
0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
2 M / 5 M / 10 M
2 M / 5 M / 10 M
1.800.Belden1Technical
| www.lumberg-automationusa.com
Support: 1-717-217-2289
Data sheet | 05/15/18
Cordsets
Double-Ended
Cable No. Outer Jacket