Motor cable 2YSLCY-J
Screened motor connection cable for frequency converters (VFD), 0.6/1 kV
2YSLCY-J is the EMC motor cable for variable-frequency drives: low-capacitance PE insulation, symmetrical build and a double screen that carries the HF return currents cleanly. Supplied to order; the lead time is stated in the quote.
2YSLCY-J is a screened power cable for the connection of frequency-inverter-driven (variable-frequency-drive, VFD) motors, rated 0.6/1 kV. The finely stranded bare copper conductors are insulated with polyethylene (PE, the low-capacitance '2Y' compound that keeps charging currents and reflections low on inverter outputs) and laid up symmetrically as a four-core power group with a green/yellow protective conductor (J). An EMC screen of a plastic-coated aluminium foil plus a braided screen of tinned copper wires (approx. 85% coverage) surrounds the cores, and a PVC outer sheath protects the cable. The double screen carries the high-frequency return currents of the inverter and, when bonded to earth at both ends over a large contact area, gives interference-free operation of the drive system.
Also known as: motor cable · VFD cable · inverter cable · drive cable
Applications
- Connection of VFD-driven motors in machines and installations.
- Circuits where EMC and interference-free drive operation are critical.
What to look out for
- Earth the screen at both ends over a large area (360 degrees) for EMC.
- On long motor cables the drive manufacturer sets the maximum cable length, not the current rating; give length and switching frequency with the enquiry.
- CPR class Eca. Where the cable is installed permanently in a building and exposed to indoor air, the Bbl requires at least Dca. The wiring inside a control panel or machine is not covered by that requirement, but the cables running to it are.
- Conductor
- Finely stranded bare annealed copper, class 5 to IEC/EN 60228 (VDE 0295).
- Insulation
- Polyethylene (PE); low-capacitance '2Y' compound for frequency-converter duty.
- Screen
- EMC double screen: plastic-coated aluminium foil plus a braided screen of tinned copper wires (TCWB), approx. 85% coverage.
- Sheath
- PVC compound (transparent or black). PUR and halogen-free (LSZH) sheath variants are available.
- Core identification
- Brown / black / grey power cores plus a green/yellow protective conductor (J) acc. to VDE 0293-334.
- Rated voltage Uo/U
- 0.6/1 kV.
- Test voltage
- 4 kV.
- Standard
- Construction acc. to DIN VDE 0250 / EN 50525 basis; EMC acc. to VDE 0875-11 / EN 55011.
- Flame-retardant
- IEC/EN 60332-1-2 (VDE 0482-332-1-2).
- Conductor standard
- IEC/EN 60228 class 5 (VDE 0295).
- Max. conductor temperature
- +70 °C (short-circuit +160 °C).
- Permitted outer cable temperature, fixed
- −40 °C to +70 °C.
- Permitted outer cable temperature, flexing
- −5 °C to +70 °C.
- Min. bending radius, fixed
- 4 × outer diameter.
- Min. bending radius, flexing
- 15 × outer diameter (10–20 × by size).
- EMC screen
- Symmetrical 4-core build with double screen; bond the screen to earth at both ends over a large contact area for interference-free VFD operation.
2YSLCY-J or YMvK on the output of a frequency converter?
Motor cable 2YSLCY-J
- double screen, foil and braid
YMvK
- no screen
A frequency converter puts steep switching edges on the motor cable. 2YSLCY-J is built for that: low-capacitance PE insulation, a symmetrical construction and a double screen of foil and copper braid that carries the high-frequency return currents away. YMvK has no screen, so the high-frequency interference radiates into the surroundings. Between drive and motor choose 2YSLCY-J; for the supply to the drive an installation cable such as YMvK is enough.
View YMvK Cca →2YSLCY-J or YSLYCY?
Motor cable 2YSLCY-J
- power cable
- 0.6/1 kV
- PE insulation
YSLYCY
- control cable
- 300/500 V
- PVC insulation
YSLYCY is a screened control cable for 300/500 V with PVC insulation and numbered cores. 2YSLCY-J is a 0.6/1 kV power cable with a double screen and PE insulation, which keeps capacitance, and so the charging currents at the inverter output, low. For the motor supply from the drive, choose 2YSLCY-J; YSLYCY is for the control and signal circuits running alongside that motor cable.
View YSLYCY-JZ →
H07BQ-F
Flexible EPR/PUR rubber cable, class 5 Cu, 90 °C
Lead time: On request; the lead time is stated in the quote.
H05BQ-F
PUR-sheathed rubber flexible cable, 300/500 V
Lead time: On request; the lead time is stated in the quote.
RZ1MZ1-K(AS)
Halogen-free armoured power cable 0.6/1 kV, XLPE/LSZH/SWA/LSZH
Lead time: On request; the lead time is stated in the quote.
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