Datasheet
M12-Round-Plug Connector, Double-Ended Cordsets, According to IEC 61076-2-101
RST-RKT | RST-RKWT
Technical Data
Environmental
Degree of protection IP 67 / NEMA 6P
Operating temperature range -25°C (-13°F) / +80°C (+176°F)
Mechanical
Housing / Molded body TPU
Insert TPU
Contact RST: CuSn, pre-nickeled and
0.8 microns gold-plated
RKT / RKWT: CuSn, pre-nickeled and
0.3 microns gold-plated
Coupling nut CuZn, nickel-plated
O-ring FKM (only RKT / RKWT)
Electrical
Contact resistance ≤ 5 mΩ
Nominal current at 40°C 3–5 poles 4 A
6-8 poles 2 A
Nominal voltage 3–4 poles 240 V
5 poles 60 V, 6-8 poles 30 V
Rated voltage 3–4 poles 250 V
5 poles 63 V, 6-8 poles 36 V
Test voltage 3–4 poles 2.0 kV eff. / 60 s
5–8 poles 1.5 kV eff. / 60 s
Insulation resistance > 10
9
Ω
Pollution degree 3
Part Number Pins Outer Jacket Standard Cable Lengths Characteristics
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
RST 4-RKT 4-251/...M PUR, halogen-free,
weld spark proof
0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
RST 5-RKT 5-228/...M
5
PUR, halogen-free 0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
RST 5-RKT 5-259/...M PUR, halogen-free,
weld spark proof
0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
RST 8-RKT 8-6-268/...M RST 8-RKWT 8-6-268/...M
6
PUR, halogen-free,
weld spark proof
2 M / 5 M / 10 M
RST 8-RKT 8-6-337/...M RST 8-RKWT 8-6-337/...M PUR, halogen-free 2 M / 5 M / 10 M
RST 8-RKT 8-282/...M RST 8-RKWT 8-282/...M
8
PUR, halogen-free 0.3 M / 0.6 M / 1 M / 1.5 M / 2 M / 5 M
Cable Specifications
Cable No. Outer Jacket Conductor Size Jacket Color OD
224
PUR, halogen-free 3 x 0.34 mm
2
Black .169" (4.3 mm)
225
PUR, halogen-free 4 x 0.34 mm
2
Black .185" (4.7 mm)
228
PUR, halogen-free 5 x 0.50 mm
2
Black .213" (5.4 mm)
251
PUR, halogen-free
welding spark proof
4 x 0.34 mm
2
Orange .185" (4.7 mm)
259
PUR, halogen-free
welding spark proof
5 x 0.50 mm
2
Orange .217" (5.5 mm)
268
PUR, halogen-free
welding spark proof
6 x 0.34 mm
2
Orange .236" (6.0 mm)
282
PUR, halogen-free 7 x 0.25 mm
2
Black .236" (6.0 mm)
337
PUR, halogen-free 6 x 0.34 mm
2
Black .236" (6.0 mm)
Cordsets
Double-Ended
Cordsets
Double-Ended
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
www.lumberg-automationusa.com Technical Support: 1-717-217-2289 Data sheet | 05/15/18
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