9841-LSZH 600V Alternative Cable

What is 9841-LSZH 600V Alternative Cable?

The 9841-LSZH 600V Alternative Cable is an unarmoured, double-screened low-capacitance data transmission cable featuring Class 2 stranded tinned copper conductors, PE insulation, an Al/PET tape with a drain wire, a tinned copper wire braid (TCWB) screen, and a violet LSZH outer sheath complying with EN 50575 CPR safety standards. It is designed for high-speed, noise-immune signal transmission up to 600V in industrial RS485 multi-drop communication buses and process instrumentation architectures.

Engineered to mitigate transmission reflections and external radio-frequency interference in dense electromagnetic environments, the cable provides an exact 120-ohm impedance match and low conductor-to-conductor capacitance of 42 pF/m. Its dual-layer shielding architecture blocks both high-frequency radiated noise and low-frequency magnetic interference, while its halogen-free outer jacket releases zero corrosive acidic gases in fire conditions, protecting critical electronic control modules and maintaining clear egress corridors in enclosed public or commercial buildings.

9841-LSZH 600V Alternative Cable Construction

• Conductor: 1 Pair 24 AWG (7/0.20mm) Class 2 stranded tinned copper conductors offering high electrical conductivity and resistance against oxidation.
• Insulation: Low-capacitance Polyethylene (PE) compound delivering high signal propagation speed and minimal dielectric loss.
• Pair Assembly: 1 twisted pair engineered with precise lay lengths to minimize internal crosstalk and common-mode signal distortion.
• Screen / Shield: Double screening system consisting of an Aluminium/Polyester foil (Al/PET) tape providing 100% electrostatic coverage plus an overall Tinned Copper Wire Braid (TCWB) for superior magnetic immunity.
• Drain Wire: Stranded tinned copper drain wire for quick, low-impedance ground bonding.
• Outer Sheath: Thermoplastic Low Smoke Zero Halogen (LSZH) compound delivering flame-retardant, acid-free safety.
• Core Identification: Blue/White and White/Blue.
• Sheath Colour: Violet.

Applications

The 9841-LSZH 600V Alternative Cable is specifically designed for high-speed digital communications, differential signaling lines, and multi-drop fieldbus channels requiring superior shielding and zero-halogen fire performance.

• RS485 Serial Communication Networks: Multi-drop industrial serial bus architectures connecting PLCs, HMIs, and remote I/O terminal blocks.
• SCADA & Process Automation Systems: Long-distance digital communication loops linking field sensors and distributed control systems.
• Building Management Systems (BMS): Automated HVAC regulation, access control protocols, and energy metering telemetry in enclosed complexes.
• Data Centers & Enclosed Public Facilities: Mission-critical infrastructure where toxic acid gas emissions and dense smoke cannot be tolerated during fire incidents.

Specifications & Dimensions

The 9841-LSZH 600V alternative cable is engineered in a 1-pair 24 AWG (7/0.20mm) configuration with a nominal overall diameter of 5.9mm and a nominal weight of 54 kg/km. Operating across a rated voltage of 600V and a fixed temperature range of -40°C to +80°C, it provides a 120-ohm nominal impedance, 66% velocity of propagation, and low capacitance ratings (42 pF/m conductor-to-conductor, 75.46 pF/m conductor-to-shield). All manufacturing tolerances, conductor dimensions, and physical properties strictly adhere to European harmonized cable directives and international data cable standards.

Standards

Voltage Rating: 600V
Temperature Spectrum: Fixed installation: -40°C to +80°C
Conductor Standard: Class 2 stranded tinned copper per IEC/EN 60228 / ASTM standards
Fire Safety & CPR: European Construction Products Regulation EN 50575 (CPR Compliant)
Regulatory Directives: CE Marked, Low Voltage Directive 2014/35/EU, RoHS Directive 2015/65/EU, REACH Directive EC 1907/2006

Frequently Asked Questions

Q: Why is a nominal impedance of 120 ohms critical for RS485 communication cables?
A: The 120-ohm characteristic impedance matches the standard RS485 bus terminating resistor specification, eliminating line reflections and signal echoes over extended transmission distances.

Q: What is the operational benefit of combining an Al/PET foil screen with a TCWB braid?
A: The Al/PET tape provides 100% physical coverage against high-frequency electrostatic noise, while the tinned copper braid provides low-frequency magnetic shielding and high mechanical strength.

Q: What life-safety advantages does the violet LSZH outer sheath offer?
A: The LSZH jacket emits negligible non-toxic smoke and zero corrosive halogen acids during a fire, preserving emergency escape visibility and protecting precision automation hardware from acid vapor corrosion.

Q: What payment terms does Huadong Cable accept for international export contracts?
A: We accept standard international commercial payment terms including Telegraphic Transfer (T/T, with 30% advance deposit and 70% against shipping documents) and 100% Irrevocable Letter of Credit (L/C) at sight.

9841-LSZH 600V – Why Choose Huadong Cable?

Huadong Cable Group manufactures 9841-LSZH 600V alternative cables in strict accordance with international digital data and RS485 communication standards, verified through rigorous impedance, attenuation, and halogen-free laboratory testing. To ensure low transmission losses and superior contact reliability across multi-drop bus topologies, we utilize Class 2 stranded tinned copper drawn from 99.99% high-purity electrolytic copper. Combined with high-purity PE insulation, a dual Al/PET foil plus TCWB braided shielding system, and a robust violet LSZH sheath, our cable delivers exceptional signal fidelity and operational stability from -40°C to +80°C in congested industrial control panels and cable trays.

Leveraging more than two decades of dedicated cable engineering expertise, Huadong Cable Group operates advanced multi-conductor twisting lines and precision extrusion equipment certified to ISO 9001, CE, CPR (EN 50575), RoHS, and REACH protocols. By eliminating distribution intermediaries, we offer competitive direct factory pricing, 100% Mill Test Certificates (MTC) tested in accredited testing facilities, tailored drum lengths on ISPM 15 heat-treated export wooden reels, and dependable door-to-port global logistics for automation integrators and EPC contractors worldwide.