30 AWG 20-Core Shielded Data Cable
Signal loss in a confined control panel isn’t just a minor inconvenience. It’s the root cause of unplanned downtime and costly diagnostic hours. We engineered the 30 AWG 20-Core Shielded Data Cable to eliminate that specific failure point. By combining a dense 20-core configuration with a high-coverage shield, this cable delivers consistent signal integrity in high-EMI environments. The immediate value is a measurable reduction in cross-talk and a longer, more stable lifecycle for your data transmission systems.
Signal Integrity Under Electrical Noise
Aluminum/Polyester Foil with Tinned Copper Drain Wire
Shielding isn’t just a layer; it’s a defense strategy against ambient interference. The aluminum/polyester tape provides 100% physical coverage, blocking high-frequency interference that distorts square wave signals. This means your sensor data and control commands arrive uncorrupted. The integrated drain wire simplifies a low-impedance ground termination, which is critical for avoiding ground loops that introduce low-frequency hum into your signal chain.
20-Core Configuration in a Single Jacket
Managing 20 individual signal paths through a drag chain or narrow trunking creates a mess of installation time and potential failure points. This multi-core design consolidates complex wiring into a single, routable bundle. The immediate advantage is faster installation and a cleaner cabinet layout. Over the project lifespan, it reduces the abrasion and pinching failures common with running multiple single pairs.
Stranded 30 AWG Tinned Copper Conductors
Solid core wires snap under repeated flexing. That’s a fact of mechanical physics. Stranded 30 AWG conductors offer the balance needed for tight, high-density interconnections: they’re small enough for compact cable assemblies yet durable enough to withstand the vibration and minor re-routing common during commissioning. Tinning the copper prevents oxidation at the termination point, ensuring your crimps and screw-downs remain gas-tight years after installation.
Flexible Grey PVC Outer Sheath
Signal cables are often the last component considered in a build, forced into tight, low-light spaces. The grey jacket is selected for visibility during assembly and maintenance, while the PVC compound balances mechanical resilience with a tight bend radius. It resists oils and light acids found on factory floors—preventing jacket swelling that would otherwise compromise the dielectric spacing of the inner conductors.
Technical Specifications
| Parameter | Specification |
|---|---|
| Conductor Material | Stranded Tinned Copper |
| Conductor Size | 30 AWG |
| Number of Cores | 20 |
| Core Stranding | 7/0.10 mm (Concentric) |
| Insulation Material | Semi-Rigid PVC (SR-PVC) |
| Shielding Type | Al/PET Foil (100% Coverage) |
| Drain Wire | Stranded Tinned Copper (22 AWG) |
| Outer Sheath Material | PVC (Polyvinyl Chloride) |
| Jacket Color | Grey (RAL 7001) |
| Rated Temperature | -20°C to +80°C |
| Nominal Voltage Rating | 300V |
| Flame Retardancy | VW-1 |
Validated Operational Environments
- Industrial Automation & PLC Interfacing: Used for low-voltage digital I/O and analog sensor terminations inside control cabinets. The high core count simplifies connecting multi-channel thermocouples or RTD modules where dense wiring blocks are the norm.
- Data Acquisition Systems (DAQ): Enables accurate low-voltage measurement across multiple channels. The 100% foil shield screens electrostatic noise, preserving the microvolt resolution necessary for strain gauges and load cells.
- Security & Access Control: Ideal for multi-conductor alarm panel wiring where tamper and zone signals run in close proximity to power lines. The drain wire ensures a single-point ground, critical for meeting system supervision requirements.
- Vending & Gaming Machine Harnesses: Addresses the tight bending radius required behind hinged access panels. The stranded 30 AWG gauge minimizes metal fatigue on moving parts while carrying data and low-current control logic.
- Rack Mounted Audio/Visual Systems: Prevents 60 Hz hum in balanced audio runs for commercial PA systems. The consistent twist geometry maintains the common-mode rejection ratio (CMRR) needed to ignore power supply noise.
Quality Assurance & Compliance Markers
- ✅ CE Marking: Compliant with LVD and EMC Directives for cabling.
- ✅ RoHS II (2011/65/EU): Conforms to hazardous substance restrictions including DEHP/B.B.P. in PVC jacketing.
- ✅ ISO 9001:2015: Manufactured under a third-party audited quality management system.
- ✅ Flame Test: VW-1: Passes vertical wire flame propagation testing for safety-critical installations.
- ✅ Electrical Integrity: Subjected to 100% continuity and spark testing on primary insulation during extrusion.
Common Procurement Queries
What is the practical bend radius for this cable during installation?
Under static routing, maintain a bend radius no less than 8 times the outer diameter of the cable jacket. For dynamic applications involving continuous movement, increase that to 12 times the OD to prevent kinking the inner foil shield. Bending tighter than this spec deforms the insulation eccentricity, which alters the cable’s characteristic impedance and increases return loss.
Can you supply this with a stranded AWG 22 drain wire instead of solid?
Standard production uses a stranded 22 AWG drain for optimum flexibility. If your application requires a solid drain wire for a specific IDC (Insulation Displacement Connector) termination, we can adjust the specification during the extrusion run. This typically involves a tooling recalibration but no significant change in lead time for volume orders.
How do you prevent crosstalk between the 20 cores in such a small diameter?
The primary strategy relies on a semi-rigid PVC insulation with a specific dielectric constant, paired with precise concentric lay lengths. We don’t rely on the twist alone. The 100% foil shield acts as a capacitive barrier between the internal bundle and external noise, but the core-to-core isolation is managed by the physical spacing and guaranteed wall thickness of the SR-PVC insulation during pressure extrusion.
Procurement & Technical Inquiry
Selecting a data cable involves matching conductor resistance to your voltage drop budget. An undersized cable creates a low-pass filter, distorting the leading edges of your digital pulses. Don’t leave that to chance. Send us your length requirements and termination types. We respond with a technical data pack next business day.
[Request Quote for Volume Orders] [Download Spec Sheet (PDF)]