RVVP1 Spiral Wound Shielded Flexible Control Cable | Cost-Effective EMI

Conductor: Oxygen-free annealed bare or tinned copper (Class 5 flexible stranded conductor); copper purity ≥99.95%; common cross-sections: 0.3mm², 0.5mm², 0.75mm², 1.0mm², 1.5mm², 2.5mm²

Extruded PVC Core Insulation: Uniform insulation wall thickness and stable insulation resistance; excellent crack resistance during bending and installation

Core Color Coding: Distinct insulation colors for each inner core; optional core number printing available for complex multi-core wiring and subsequent maintenance/inspection

Non-hygroscopic PP Filler: Fills gaps between insulated cores to ensure a circular cable cross-section and prevent core displacement during cabling and extrusion processes

Separation Tape: Separates the inner core assembly from the shielding layer, preventing the shield from scratching the insulation during the wrapping process

Spiral-Wound Copper Shield (Specific to RVVP1 structure): Fine copper wires wound continuously with spiral overlap; adjustable winding density; standard coverage of 75%–82%, with customizable high-density specifications (≥88%) available for environments with moderate interference

PVC Outer Sheath: Tightly extruded outer sheath; resistant to abrasion, oil, and UV-induced aging; suitable for installation in concealed conduits, surface wiring, and cable trays

• Rated operating voltage: U0/U = 300/300V
• Power-frequency withstand voltage test: 1500V; no breakdown after 5 minutes
• DC conductor resistance at 20°C: Fully compliant with GB/T 3956 standards; strictly controlled to prevent excessive voltage drop in long-distance signal cabling
• Insulation resistance at ambient temperature: ≥200 MΩ·km, ensuring long-term, stable insulation reliability
• Shielding effectiveness: ≥65 dB for standard wrapped construction; ≥85 dB for high-density custom wrapped versions; capable of suppressing 50 Hz power-frequency interference and moderate-intensity high-frequency electromagnetic radiation interference
• Inter-core capacitance: Controlled within a reasonable range to minimize phase shift and transmission deviation of analog signals

• Long-term continuous operating temperature range: -15°C to +70°C
• Minimum ambient temperature for installation: ≥0°C (precautions required during installation to prevent sheath embrittlement/cracking)
• Storage temperature range: -20°C to +50°C (prolonged high-temperature stacking and outdoor water immersion are strictly prohibited)
• Flame-retardant upgrade option: ZR-RVVP1 (self-extinguishing type); meets single-cable vertical burn test requirements for fire-compartment wiring designs

• Minimum bending radius (fixed installation): ≥8 times the cable outer diameter
• Minimum bending radius (occasional movement/flexing): ≥12 times the cable outer diameter
• Structural compression resistance: Suitable for installation in conduits, cable trunking, and cable trays; direct burial without protective conduit is not recommended to avoid exposure to heavy mechanical crushing forces
• Standard core configurations: 2, 3, 4, 5, 6, 7, 8, 10, 12, 16, 20, and 24 cores; custom production for non-standard core counts is available

Standard RVVP utilizes a high-cost, dense copper braided shield designed for harsh electromagnetic interference (EMI) environments. In contrast, RVVP1 employs a helically wound copper shield structure; this meets anti-interference requirements for low-to-moderate EMI environments while effectively reducing unit material costs. For large-scale low-voltage cabling projects, this product significantly lowers total material expenditure without compromising basic signal stability, helping general contractors effectively manage the overall project budget.

The product utilizes Class 5 flexible stranded copper conductors, which offer superior resistance to bending fatigue compared to solid, rigid conductors. It is ideally suited for dense cabinet wiring, routing through conduits with tight-radius bends, internal equipment wiring, and subsequent cabling adjustments, effectively minimizing the risk of circuit breaks caused by conductor fractures from repeated bending.

Utilizes an aging-resistant, modified PVC formulation for both insulation and sheathing, offering resistance to indoor dust, mild moisture, and trace amounts of volatile chemical substances. Under standard installation conditions, the cable is designed for a service life of up to 25 years, thereby reducing capital expenditure for property owners and contractors regarding periodic cable replacement and system upgrades.

• ZR-RVVP1: Flame-retardant, spiral-shielded cable; suitable for wiring within fire compartments of public buildings and for low-voltage systems in commercial complexes.
• WDZ-RVVP1: Low-smoke, zero-halogen (LSZH), flame-retardant type; suitable for underground utility tunnels, hospitals, subway stations, and densely populated enclosed buildings.
• RVVP1-22 (Steel-tape armored): Features an additional mechanical protection layer to resist crushing and rodent damage; suitable for concealed wall installations and trench laying where there is a risk of mechanical damage.

Many purchasers blindly select high-cost braided-shield RVVP cables for low-interference applications, resulting in unnecessary expense. The shielding performance of RVVP1 cables precisely meets the requirements of standard security surveillance, access control systems, and general PLC control loops, enabling rational selection and preventing the use of unnecessarily high-specification materials in engineering projects.

Suitable for power and signal wiring in analog cameras, infrared intrusion detectors, magnetic access control locks, perimeter alarm control panels, and residential intercom systems; effectively resolves minor signal jitter caused by parallel routing with low-power supply lines.

Suitable for signal transmission between general-purpose PLC I/O modules, proximity switches, photoelectric sensors, solenoid valve feedback circuits, and field-based small-scale instrument data acquisition lines in automation equipment for packaging, food processing, and low-interference workshop environments.

Suitable for residential complexes, office buildings, and shopping malls; applications include signal lines for central air-conditioning group control, smart lighting control systems, elevator auxiliary feedback lines, building intercom backbone lines, and low-interference signal branch cables for basement equipment rooms.

Suitable for connecting liquid level sensors, water quality probes, and flow transmitters within small-scale sewage pumping stations and environmental monitoring stations, as well as for signal transmission between field detection terminals and local control cabinets.

Centralized control wiring for community public lighting; internal wiring for parking lot barrier gate control systems; feedback wiring for auxiliary road traffic signals; signal wiring for automatic remote monitoring of small pumping stations.

Project Requirements: Replace aging wiring for surveillance and access control systems across 19 residential buildings; eliminate minor electromagnetic interference caused by adjacent power distribution lines; control costs for the large-scale cabling installation.

Implementation Plan: Utilized RVVP1 2×1.0mm² and RVVP1 4×0.75mm² spiral-shielded cables; total supply volume: 243,000 meters.

Project Outcome: Following installation, video and alarm signal transmission at all monitoring points remained stable; no signal anomalies or deviations occurred during two years of operation; the project successfully passed property management acceptance inspections and the final settlement audit.

Project Requirements: Low-power variable frequency drives (VFDs) were installed on-site; the existing unshielded cables caused slight fluctuations in sensor feedback signals, necessitating a cost-effective shielding solution.

Solution Implemented: Custom-manufactured RVVP1 6×0.5mm² control cables featuring medium-density spiral-wrapped shielding for each sensor circuit; total order volume: 57,200 meters.

Project Results: Signal fluctuations were completely eliminated, enhancing equipment operational stability; material costs were reduced by 17% compared to standard braided-shield RVVP solutions; the solution received high praise from the plant's maintenance department and automation design team.

Project Requirements: Long-distance backbone cabling was required between air handling unit controllers and the central host unit; due to interference from nearby power distribution cabinets, a cost-effective shielded signal cable was needed.

Solution Implemented: RVVP1 8×1.5mm² multi-core backbone cables with spiral-wrapped shielding; total supply volume: 81,300 meters.

Project Results: The centralized control system maintained stable data communication during peak seasonal operations with no communication failures, and successfully passed third-party electrical acceptance testing upon building handover.

• JB/T 8734.5: Electric wires and cables for electrical equipment
• GB/T 12666: Test methods for flame-retardant and fire-resistant cables
• GB/T 2952: Test methods for cable outer sheath properties

• CCC (China Compulsory Certification) for standard civil-use products
• CE certification (compliance with the EU Low Voltage Directive - LVD)
• ISO 9001 (Quality Management System), ISO 14001 (Environmental Management System), and ISO 45001 (Occupational Health and Safety Management System) certifications
• Factory inspection reports, raw material traceability certificates, and dimensional inspection reports provided with each order batch
• IEC standard test reports and documentation for local market tender registration available upon customer request

• Shielding layer grounding specifications: The standard installation method for RVVP1 signal cables is single-end grounding; grounding at both ends is strictly prohibited to prevent potential differences in the grounding loop from inducing additional interference signals. Specialized grounding installation guidelines can be provided upon customer request.
• Bending radius control: The specified minimum bending radius must be strictly observed during cable pulling and conduit routing; excessive bending can loosen the helical wrap structure and compromise shielding continuity, potentially leading to operational issues such as intermittent signal transmission.
• Separation requirements during installation: When laying cables parallel to AC power cables, safe separation distances must be maintained in accordance with local electrical codes. If routing near high-power cables, the use of separate cable trays or physical barriers is recommended to ensure effective shielding performance.
• Storage Guidelines: Finished cable reels should be stored in a dry, well-ventilated warehouse; avoid prolonged exposure to rain and direct sunlight to delay sheath aging and extend shelf life.
• Model Distinction: Clearly distinguish between RVVP1 (spiral-wrapped shielding) and standard RVVP (braided copper wire shielding). RVVP1 is suitable for general signal circuits with low-to-moderate interference and offers a cost advantage; however, for industrial environments with strong electromagnetic interference and high shielding performance requirements, the braided-shield RVVP type should be selected.
• Voltage Limitations: This cable has a rated voltage of 300/300V and is intended solely for low-voltage signals and low-power control circuits; use in main power transmission lines is strictly prohibited to prevent insulation breakdown due to overload.