B&R 8YS-K0055R0.005-0

Product Introduction:
The B&R 8YS-K0055R0.005-0 is a pre-assembled, shielded servo motor cable designed for connecting B&R ACOPOS servo drives (8V10 series) to B&R 8MS/8LS servo motors. The cable includes three power conductors, a protective earth conductor, and an integrated brake cable. The “K0055” denotes the cross-section (5.5 mm²), “R0” denotes the outer jacket type, and “005-0” indicates a 5 m length with one brake line.

Category:
Description

Technical Specifications:

Parameter Value
Conductor Cross-Section (Power) 5.5 mm² (3 × 5.5 mm² + 1 × 2.5 mm² PE)
Brake Cable Cross-Section 1 × 0.75 mm²
Rated Voltage 300/500 V (power) / 300/500 V (brake)
Rated Current (Power) 25 A (continuous)
Cable Length 5.0 m (± 0.1 m)
Outer Diameter Approx. 14.5 mm
Shielding Tinned copper braid, ≥ 85% coverage
Insulation Material XLPE (cross-linked polyethylene)
Outer Jacket PUR (polyurethane), oil-resistant, abrasion-resistant
Temperature Range (Fixed) -30°C to +70°C
Temperature Range (Flexible) -5°C to +70°C
Bend Radius (Fixed) 5 × OD = 72.5 mm
Bend Radius (Flexible) 10 × OD = 145 mm
Color RAL 7035 (light gray)
Weight Approx. 1.8 kg (5 m)

Functional Features:

  • Integrated brake cable eliminates separate brake wiring
  • Tinned copper braid shield provides EMC protection > 60 dB
  • PUR jacket resistant to oils, coolants, and abrasion
  • Pre-assembled with M23 drive-side and M23 motor-side connectors
  • Ferrite core at drive-side connector for additional EMI suppression
  • Color-coded conductors per IEC 60309 (U=brown, V=black, W=gray, PE=green/yellow)

Performance Parameters:

  • Conductor Resistance (20°C): 3.6 Ω/km (5.5 mm²)
  • Insulation Resistance: > 100 MΩ·km at 500 V DC
  • Shield Transfer Impedance: < 50 mΩ/m at 1 MHz
  • Fire Rating: IEC 60332-1-2 (flame retardant)
  • Halogen-Free: Yes (IEC 60754-1 compliant)

Material Composition:

  • Conductors: Annealed fine-strand copper, Class 5 per IEC 60228
  • Insulation: XLPE, 0.8 mm thickness
  • Shield: Tinned copper braid, 0.12 mm wire diameter
  • Inner Sheath: PUR, 1.0 mm
  • Outer Jacket: PUR, 2.5 mm, oil-resistant
  • Connectors: M23, 19-pin, nickel-plated brass shell, gold-plated contacts
  • Ferrite Core: MnZn ferrite, clamp-on type

Structural Features:

  • Cylindrical cable with integrated brake line running parallel
  • M23 connector at drive end: 19-pin (power + encoder + brake)
  • M23 connector at motor end: 19-pin (power + encoder + brake)
  • Drain wire connected to connector shell at both ends
  • Length marking every 1 m on outer jacket

Working Principle:
The cable transmits three-phase AC power from the servo drive’s IGBT inverter to the servo motor windings. The protective earth conductor provides fault current path. The integrated brake cable connects the motor’s brake release solenoid to the drive’s brake output. The copper braid shield contains electromagnetic emissions and protects the signal integrity of the encoder cable (running in parallel within the same assembly).

Advantages & Highlights:

  • Pre-assembled with connectors — plug-and-play installation
  • Integrated brake line — reduces wiring time by 50%
  • PUR jacket — survives harsh industrial environments (oils, coolants)
  • 5.5 mm² cross-section — supports up to 90 A drives (8V1090)
  • Halogen-free, flame-retardant — meets machine safety standards

Applicable Industries:

  • All B&R servo drive applications
  • CNC machining centers
  • Injection molding machines
  • Packaging machines
  • Printing presses
  • Robotics

Installation Requirements:

  • Route cable away from high-voltage power lines (min. 200 mm separation)
  • Do not exceed minimum bend radius (72.5 mm fixed, 145 mm flexible)
  • Secure cable with clamps every 500 mm
  • Ensure connector mating is fully seated (click audibly)
  • Ground cable shield at drive end only (single-point grounding)

Usage Precautions:

  • Do not exceed 70°C ambient temperature
  • Do not pull cable by the connectors — grip the jacket
  • Do not kink or crush the cable
  • Replace cable if outer jacket shows cracks or oil swelling
  • Do not use in explosive atmospheres (ATEX-rated version required)
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