PN Rubber Pendant Overhead Crane Cable 450/750V | Heavy Duty Flexible Control Cable for Crane and Industrial Applications
Product Overview
The PN Rubber Pendant Overhead Crane Cable is a high-performance flexible rubber cable designed for demanding industrial environments requiring reliable control, measurement, and signalling transmission. Engineered with a central strength member and high-grade elastomeric materials, it is widely used in steel plants, mining operations, chemical facilities, and mechanical handling systems. It is also suitable as a cantilevered control cable for overhead cranes, pushbutton control stations, wind turbines, conveyor systems, and automated storage installations.
Applications
This cable is specifically developed for dynamic and mechanically demanding applications, including:
Overhead crane pendant and control systems
Pushbutton control units for lifting equipment
Steel and metal processing industries
Mining and quarrying machinery
Chemical and heavy industrial environments
Conveyor and automated storage systems
Wind turbine internal control and auxiliary circuits
Its design ensures stable electrical performance under continuous mechanical stress, including bending, twisting, and tensile loading.
Cable Construction & Design
1. Central Strength Member
A reinforced central element provides high tensile resistance and ensures structural integrity during vertical suspension and dynamic movement.
2. Conductor
Material: Flexible plain copper
Standard: IEC 60228 / DIN VDE 0295 Class 6
Feature: Highly flexible stranded structure for repeated motion applications
3. Insulation
Material: EPR (Ethylene Propylene Rubber) compound
Standard reference: IEC 60502-1
Feature: Excellent dielectric strength, thermal resistance, and flexibility
4. Separator
Nonwoven tape applied over each layer
Function: Prevents adhesion and improves mechanical separation between layers
5. Outer Sheath
Material: EM2 heavy-duty rubber compound
Standard reference: DIN VDE 0207 Part 21
Properties: Abrasion-resistant, notch-resistant, and mechanically robust
Colour: Black
Core Identification
Standard: DIN VDE 0293 Part 308 / HD 308 S2
Core marking: Black cores with white printed numbers
Protective conductor: Green/yellow identification included in outer layer
Electrical & Thermal Properties
Nominal voltage: 450/750 V (Uo/U)
Maximum AC operating voltage: 825 V (Um)
Maximum DC operating voltage: 1,238 V (Vm)
Test voltage: 2.5 kV AC
Current rating: According to DIN VDE 0298 Part 4
Temperature Ratings
Conductor operating temperature: up to +90 °C
Short-circuit temperature: up to +250 °C
Fixed installation range: −40 °C to +80 °C
Mobile operation range: −25 °C to +60 °C
Mechanical Properties
Conductor tensile stress (static): 15 N/mm²
Conductor tensile stress (dynamic): 30 N/mm²
Minimum bending radius: According to DIN VDE 298 standards
The cable is optimized for continuous flexing, suspended operation, and high mechanical load conditions typical in crane and hoisting systems.
Chemical & Environmental Resistance
Oil-resistant construction
Suitable for indoor and outdoor installations
Resistant to moisture ingress
UV-resistant for outdoor exposure
Ozone-resistant elastomeric sheath
Flame-retardant according to IEC 60332-1
Standards Compliance
IEC 60228 (conductors)
IEC 60502-1 (insulation system reference)
IEC 60332-1 (flame retardancy)
DIN VDE 0295 / 0293 / 0298 series
DIN VDE 0207 Part 21 (sheath material)
HD 308 S2 (core identification system)
Key Advantages
High flexibility for dynamic crane movement
Central strength member for suspension applications
Excellent resistance to mechanical wear and abrasion
Stable performance in harsh industrial environments
Suitable for continuous bending and torsional stress
Wide temperature operating range
Strong resistance to oil, UV, and ozone exposure
The PN Rubber Pendant Overhead Crane Cable is engineered for critical industrial control systems requiring durability, flexibility, and long service life under extreme mechanical stress. Its robust rubber-based construction, reinforced tensile design, and compliance with international standards make it a reliable solution for overhead crane systems and heavy-duty industrial automation applications.
