Prysmian Medium Voltage Crane Drum Cable

PROTOLON (SMK) (N)TSCGEWOEU Medium Voltage Reeling Cable

Application

Flexible medium voltage reeling cable designed for applications under high to extreme mechanical stresses, such as:

High travel speeds

Dynamic tensile loads

Multiple directional changes in different planes

Churning when running over rollers

Torsional stresses

Primarily used in mobile equipment such as fast-moving container cranes and heavy mobile machinery.

General Specifications

Brand: PROTOLON (SMK)

Cable type: (N)TSCGEWOEU

Standard: Based on DIN VDE 0250-813

Certifications: GOST-R

Design Features

Conductor: Electrolytic tinned copper, extra finely stranded, class FS (according to DIN VDE 0295)

Insulation: PROTOLON HS, high-grade special compound based on EPR (minimum 3GI3) with enhanced mechanical and electrical properties (according to DIN VDE 0207, Part 20)

Electrical field control:

Inner semiconductive layer made of EPR

Outer semiconductive layer made of modified NBR

Easy Strip design: cold-strippable for easy preparation

Core Identification: Natural-colored insulation with black semiconductive layer

Core Arrangement: Three-core design with split earth conductor placed in the interstices

Sheath System:

Inner sheath – PROTOFIRM Sandwich:

Special EPR-based compound, quality at least 5GM3, water-barrier function, red color

Anti-torsion braid:

Reinforced polyester thread braid, vulcanized between sheath layers for increased strength

Outer sheath – PROTOFIRM Sandwich:

Tear and abrasion-resistant high-grade rubber compound based on PCP, at least 5GM5 quality, bright red color

Marking:

PROTOLON (SMK) (N)TSCGEWOEU (Number of cores)x(Cross-section) (Rated Voltage) (Year of Manufacture) (Serial Number)

Electrical Specifications

Rated Voltage: 1.8/3 kV

Maximum Permissible Operating Voltage (AC): 2.1/3.6 kV

Maximum Permissible Operating Voltage (DC): 2.7/5.4 kV

AC Test Voltage: 6 kV

EMC Compliance: Symmetrical three-core design with very tight manufacturing tolerances ensures very low electromagnetic interference

Data Transmission:

Special versions with Twisted Shielded Pairs or Individually Screened control elements available on request – Fiber optic version also available (PROTOLON (SMK)-LWL)

Current Carrying Capacity:

According to DIN VDE 0298, Part 4. Higher values may be permitted under specific conditions with manufacturer’s approval

Chemical Properties

Oil Resistance: According to DIN EN 60811-404 and DIN VDE 0473-811-404

Weather Resistance: Unrestricted indoor and outdoor use; resistant to ozone, UV, and moisture

Water Resistance: According to HD 2216

Thermal Properties

Max. Permissible Conductor Temperature: 90 °C

Max. Short-Circuit Conductor Temperature: 250 °C

Ambient Temperature for Fixed Installation: -50 °C to +80 °C

Ambient Temperature in Fully Flexible Use: -35 °C to +80 °C

Available Voltage Levels

3.6/6 kV, 4.2/7.2 kV, 5.4/10.8 kV, 6/10 kV, 6.9/12 kV, 8.7/15 kV, 9/18 kV, 10.4/18 kV, 11 kV, 12/20 kV, 13.5/27 kV, 13.9/24 kV, 17 kV, 18/36 kV, 24 kV, 29 kV

Mechanical Specifications

Max. Tensile Load on Conductor: 20 N/mm²

During Acceleration: Up to 30 N/mm² (according to DIN VDE 0298 Part 3: 15 N/mm²)

Torsional Stress: ±25° per meter

Minimum Bending Radius: According to DIN VDE 0298 Part 3

Minimum Distance with S-type Directional Changes: 20x cable diameter (D)

Travel Speed:

In reeling operation (e.g., crane drum): No restrictions

For speeds above 240 m/min, it is recommended to consult the manufacturer

Additional Tests

Reversed bending test

Torsional stress test

PROTOLON(SMK) (N)TSCGEWOEU MV Reeling Crane cable Prysmian