RVVP Shielded Flexible Control Cable | Multi-Core Screened Signal & Instrument

Conductor: Tinned or bare oxygen-free annealed copper; Class 5 flexible stranded conductor; copper purity ≥99.95%; standard cross-sectional areas: 0.3mm², 0.5mm², 0.75mm², 1.0mm², 1.5mm², 2.0mm², 2.5mm²

PVC Core Insulation: Uniformly extruded insulation layer with stable insulation resistance and excellent mechanical toughness, effectively preventing cracking during bending and installation

Core Color Coding: Distinct insulation colors for each core facilitate on-site wiring, inspection, and maintenance; optional numerical printing on the insulation surface is available for complex multi-core cabling

PP Non-hygroscopic Filler: Fills gaps between cores to create a circular cable profile, prevents core displacement during extrusion and installation, and enhances the cable's compressive strength

Wrapping Tape: Separates the core assembly from the shielding layer, prevents scratching of cores during the braiding process, and maintains the integrity of the internal structure

Overall Copper Braid Shielding: Standard shielding coverage of 80%–85%; high-coverage shielding (≥90%) available for high-interference industrial environments to effectively block external EMI (Electromagnetic Interference) and RFI (Radio Frequency Interference)

PVC Outer Sheath: Tightly extruded outer sheath offering UV resistance, aging resistance, oil resistance, and abrasion resistance; suitable for various installation environments, including concealed indoor wiring, surface mounting, and conduit installation

Rated voltage: U0/U = 300/300V

Power-frequency withstand voltage test: 1500V; no breakdown after 5 minutes

Conductor DC resistance (20°C): Fully compliant with GB/T 3956 standards; strictly controlled to prevent excessive voltage drop during long-distance routing

Insulation resistance: ≥200 MΩ·km at ambient temperature, ensuring long-term insulation stability

Shielding effectiveness: ≥75dB for standard configurations; ≥90dB for high-density braided custom versions; effectively suppresses power-frequency interference and high-frequency radiated interference

Inter-core capacitance: Controlled within an optimal range to minimize signal phase deviation during analog signal transmission

Long-term continuous operating temperature: -15°C to +70°C

Minimum ambient temperature for installation: ≥0°C (precautions required to prevent sheath embrittlement/cracking during installation)

Storage temperature: -20°C to +50°C (avoid long-term storage in high-temperature environments)

Flame retardancy: Standard versions feature self-extinguishing properties; flame-retardant upgraded models (ZR-RVVP) are available to meet fire-compartment wiring requirements

Minimum bending radius (fixed installation): ≥8 times the cable outer diameter

Minimum bending radius (frequent movement/flexing): ≥12 times the cable outer diameter

Tensile and compressive strength: Suitable for standard installation in conduits, cable trunking, and cable trays; direct burial in areas subject to heavy loads without protective measures is not recommended

Standard core configurations: 2, 3, 4, 5, 6, 7, 8, 10, 12, 16, 20, 24, and 30 cores; custom production for non-standard core counts is available

When standard RVV cables (which lack shielding) are laid alongside power cables near motors or variable frequency drives (VFDs), issues such as signal drift, data fluctuations, and abnormal equipment feedback often arise. RVVP cables utilize an overall copper-braid shielding structure that creates a sealed electromagnetic isolation layer, significantly enhancing the stability of sensor feedback, remote control signals, and low-voltage data transmission. This enables engineering teams to shorten on-site commissioning times and reduces the maintenance workload required after the system enters operation.

The cable employs Class 5 multi-strand flexible copper conductors, offering superior bending performance compared to control cables with solid conductors. It is ideally suited for wiring within equipment cabinets, routing through conduits with tight radii, navigating bends in piping, and connecting components inside electrical enclosures. During installation and subsequent equipment adjustments, the conductors resist breakage even under repeated bending, thereby minimizing the risk of hidden open-circuit faults in completed projects.

Utilizing stabilized PVC insulation and sheathing materials enhanced with anti-aging additives, the cables effectively resist oxidation, dust accumulation, and minor moisture exposure typical of indoor environments. Under standard installation conditions, the design service life extends to 25 years, thereby reducing costs for property owners and general contractors associated with periodic cable replacement and system upgrades.

A range of derivative models is available to address specific engineering requirements:

• ZR-RVVP: Flame-retardant shielded control cable, suitable for wiring within fire compartments and electrical systems in public buildings.
• WDZ-RVVP: Low-smoke, zero-halogen (LSZH), flame-retardant cable, suitable for underground utility tunnels, subways, hospitals, and enclosed spaces with high occupant density.
• Armored RVVP22: Features a steel-tape armored structure providing crush resistance and protection against rodent damage; suitable for concealed installation within walls or placement in cable trenches where there is a risk of mechanical damage.

Compared to expensive paired-shielded instrumentation cables (such as DJYVP and DJYJVP), RVVP cables offer a more competitive unit price while meeting essential anti-interference requirements. They have become the preferred choice for large-scale smart building, security surveillance, and low-power control cabling projects, helping to optimize the overall material budget.

Used for power and signal connections in network cameras, analog surveillance cameras, infrared detectors, magnetic access control locks, alarm control panels, and perimeter security systems; effectively resolves issues such as image flickering and signal loss caused by running cables parallel to power lines.

Suitable for signal transmission in low-interference workshop automation equipment, covering connections between PLC modules, relay control circuits, proximity switches, photoelectric sensors, solenoid valve feedback lines, and signal acquisition lines for small field instruments.

Suitable for commercial complexes, office buildings, and residential communities, including cabling for centralized HVAC control, intelligent lighting control systems, elevator auxiliary signal lines, building intercom systems, auxiliary wiring for fire/smoke detection, and signal backbone lines for basement equipment rooms.

Sensor connection cables for water quality analyzers, liquid level transmitters, and flow monitors, as well as remote signal transmission lines connecting field detection probes to control cabinets in wastewater treatment plants and environmental monitoring stations.

Cabling for intelligent traffic signal auxiliary control; centralized control wiring for campus/park lighting; remote monitoring lines for community public equipment; signal wiring for small-scale pumping station automation; internal wiring for parking lot barrier gate control systems.

Project Requirements: Covered 12 residential buildings; required replacement of aging wiring for surveillance cameras and access control systems; needed to resolve image interference caused by co-routing with power lines.

Solution Implemented: RVVP 2×1.0mm² and RVVP 4×0.75mm² shielded cables; total supply volume: 217,000 meters.

Project Outcomes: Post-installation, video signals at all surveillance points were clear and stable; no complaints regarding signal interference occurred during two years of operation; successfully passed property management acceptance inspection and final project settlement.

Project Requirements: Multiple variable frequency drives (VFDs) were deployed on-site; the previously used unshielded cables caused frequent fluctuations in sensor signals, compromising the operational stability of the automated production line.

Solution Implemented: Custom-manufactured RVVP 6×0.5mm² control cables featuring high-coverage shielding were installed for each sensor circuit, with a total order volume of 53,000 meters.

Project Outcome: Signal fluctuations were completely eliminated, equipment failure rates dropped significantly, and production line continuity improved; the solution earned high praise from the plant's maintenance department and automation design engineers.

Project Requirements: Long-distance cabling was required between unit controllers and the central control host; the cables needed robust interference resistance to function in an installation environment immediately adjacent to high-voltage electrical cabinets.

Solution Implemented: RVVP 8×1.5mm² multi-core shielded backbone cables, with a total supply volume: 78,500 meters.

Project Outcome: Data communication within the air conditioning group control system remained stable, with no communication interruptions occurring during peak seasonal operations; the system successfully passed the third-party electrical acceptance inspection upon building handover.

• GB/T 5023 PVC Insulated Cables and Wires for Electrical Equipment
• GB/T 12666 Test Methods for Flame Retardant and Fire Resistant Cables
• GB/T 2952 Test Methods for Cable Outer Sheath

1. CCC China Compulsory Certification for conventional civil engineering models
2. CE Certification compliant with EU Low Voltage Directive
3. ISO9001 Quality Management System, ISO14001 Environmental Management System, ISO45001 Occupational Health & Safety Management System Certification
4. Batch factory outgoing test reports, raw material traceability certificates, dimensional inspection reports provided per order batch
5. Support customized IEC standard test documents, test reports required for local market bidding registration

All copper materials are sourced from high-quality, large-scale smelters holding comprehensive test certifications; prior to production, we conduct full inspections of copper purity, PVC formulation stability, and braiding density. We strictly prohibit the use of recycled copper or inferior recycled plastics, effectively preventing issues such as excessive conductor resistance, sheath cracking, and insulation breakdown, thereby helping buyers avoid the risks of project rework and claims arising from substandard cable quality.

We support customization regarding conductor cross-sectional area, non-standard core counts, and specific structural features such as flame-retardant, low-smoke zero-halogen (LSZH), or armored designs. Sheath colors, surface print content, and meter-marking methods can be customized according to client drawings. We provide sample reels for preliminary testing, enabling design institutes and engineering firms to verify the product before formal bidding.

Eliminate markups from intermediate wholesalers; offer flexible unit pricing negotiations for large-scale bulk orders while setting reasonable Minimum Order Quantities (MOQs) to suit the procurement needs of small and medium-sized contractors. Provide Less-than-Container Load (LCL) solutions for large overseas buyers, consolidating shipments to reduce overall ocean freight and logistics costs.

• A professional electrical engineering team offers guidance on product selection, optimization of wiring schemes, and the drafting of technical specifications for tenders
• Provision of official technical datasheets, cable dimension drawings, and on-site wiring guides to facilitate drawing reviews and approval processes
• Transparent production tracking and comprehensive pre-shipment electrical performance testing to ensure on-time delivery of urgent orders
• Remote technical consultation to assist in resolving installation issues for overseas projects

Packaging on wooden reels suitable for long-distance sea and land transport, featuring moisture-proof and impact-resistant protection; provision of full clearance documentation—including packing lists, commercial invoices, and certificates of origin—to streamline export declaration processes for international buyers

The standard installation method for RVVP signal cables is single-ended grounding; dual-ended grounding is strictly prohibited to prevent potential differences in the grounding loop from inducing new interference signals. Grounding installation procedures can be provided upon customer request.

Specified minimum bending radii must be observed during cable pulling and conduit routing; excessive bending can flatten internal cores, damage the braided shield structure, and cause latent, intermittent circuit faults.

When laying parallel to AC power cables, maintain the safety clearance required by electrical standards; if installation immediately adjacent to high-power cables is necessary, use separate cable trays or partitions to maximize shielding effectiveness.

Cable reels must be stored in a dry, well-ventilated warehouse; avoid prolonged exposure to rain and direct sunlight to delay sheath aging and extend shelf life.

Clearly distinguish between RVVP (overall shielding only) and pair-shielded types (DJYPVP/DJYJVP); RVVP is suitable for standard low-voltage control applications and offers high cost-effectiveness, whereas pair-shielded cables should be selected for high-precision, multi-channel analog signal projects requiring strict crosstalk suppression.

These cables have a rated voltage of 300/300V and are intended solely for low-voltage signals and low-power control circuits; use in main power transmission lines is strictly prohibited to prevent insulation damage due to overload.