Precision 3-Conductor Shielded Signaling for Audio & Industry

TheBelden 9770is a high-performance 22 AWG, 3-conductor stranded cable engineered for applications where signal purity is paramount. Featuring7-strand tinned copperconductors and an overallBeldfoil shield, it provides 100% coverage against electromagnetic interference (EMI). What sets the 9770 apart is itsPolypropylene (PP) insulation, which offers better electrical properties and crush resistance than standard PVCmaking it a favorite for both industrial sensors and professional line-level audio.

Why Professionals Choose Belden 9770:

• Beldfoil EMI Protection:The aluminum foil-polyester tape shield eliminates crosstalk and external noise, ensuring that low-voltage analog signals (4-20mA, 0-10V) remain clean.

• Tinned Copper Conductors:Stranded tinned copper prevents corrosion and makes soldering or crimping into terminal blocks significantly easier and more reliable.

• Superior PP Insulation:Polypropylene insulation allows for a thinner, tougher wire with lower capacitance, improving signal speed and clarity over long distances.

• Integrated Drain Wire:Includes a 22 AWG stranded tinned copper drain wire for rapid, reliable grounding of the shield.

Installers Insight:

“The 9770 is my ‘Secret Weapon’ forLine-Level Audio and Industrial Sensors. Most people grab a standard PVC 22/3, but the Polypropylene in theBelden 9770makes the cable much more durable in tight cabinets. It doesn’t ‘smush’ under pressure like PVC does, and the tinned copper means I don’t have to worry about the leads oxidizing over time. It’s the ultimate ‘set it and forget it’ cable for high-end control panels.”

Common Applications:

• Line-Level Audio & Voice Communications

• Low-Voltage Analog Signaling (4-20mA, 0-10V)

• Industrial Instrumentation & Remote Sensors

• Microprocessor-Based Control Systems

• Panel Wiring & Enclosure Interconnects

Technical Specifications:

• Gauge:22 AWG

• Conductor Count:3

• Stranding:7×30 (Stranded Tinned Copper)

• Insulation:Polypropylene (PP)

• Shielding:Overall Beldfoil (100% Coverage)

• Drain Wire:22 AWG Stranded Tinned Copper

• Jacket:Brown or Chrome PVC (Note: Often comes in Brown)

• Color Code:Black, Red, White

• Rating:UL Type CM

• Voltage:300V RMS