WDZN-YJY LSZH XLPE Fire Resistant Cable 0.6/1kV For Emergency Routes

When you need low-smoke halogen-free (LSZH) performance to reduce smoke and corrosive gases, and to provide fire-resistant circuit integrity for critical low-voltage loads, choose WDZN-YJY.

WDZN-YJY is a low-voltage copper core power cable with XLPE insulation and an LSZH sheath system. Its manufacturing meets fire-resistant structural requirements and maintains electrical continuity in fire environments (test methods, categories, and durations depend on project-specific requirements). It is commonly used for emergency power feeders and critical service lines in enclosed or densely populated areas where visibility and reduction of corrosive gases are critical. Compared to standard YJY or YJV type cables, WDZN-YJY cables are ideal when the bill of quantities explicitly requires low smoke, halogen-free, and fire-resistant properties to ensure circuit integrity, especially in safety corridors and emergency systems.

• Typical Rated Voltage: 0.6/1 kV
• Applications: Fixed low-voltage distribution feeders and emergency circuits
• Project Notes: Please confirm the fire resistance rating/class and Low Smoke Halogen-Free (LSZH) acceptance criteria specified in the project specifications.

• Emergency lighting and evacuation guidance power supply lines
• Fire alarm system power supply and critical control power supply
• Smoke exhaust and booster fan power supply
• Fire pump and critical machinery power supply
• Public buildings, transportation hubs, hospitals, hotels, shopping malls, and high-traffic areas
• Subway, railway, tunnel, and underground passage installations
• Data center and critical service shafts requiring reduced smoke and circuit continuity

• Cable trays, conduits, cable trays, risers, shafts, corridors, and guardrails
• Fixed installation only

• Conductor: Copper stranded wire
• Insulation: XLPE
• Fire Resistance: Circuit integrity designed according to specified standards and durations
• Outer Sheath: LSZH (Low Smoke Halogen-Free)
• Armor: None (unless otherwise specified)
• Installation Types: Fixed installation, emergency, and critical lines

• Copper Conductor Stranding and Resistance Control
• Conductor production meets stable resistance targets to ensure consistent and reliable performance and high termination reliability.
• XLPE Insulation Extrusion and Crosslinking
• The insulation layer is extruded and crosslinked to form a robust dielectric layer suitable for low-voltage operation.
• Fire-Resistant Structure Integration
• Fire barriers or fire-resistant design elements are used to ensure circuit continuity under the fire-resistant testing conditions specified in project standards.
• Core Identification and Assembly
• The core is identified and assembled into a stable geometry to improve drawability and sheath uniformity.
• Low-Smoke Halogen-Free Sheath and Marking
• A low-smoke halogen-free sheath compound is applied to meet low-smoke halogen-free targets, and marking is performed for easy traceability.
• Routine Inspections
• Typical inspections include conductor resistance, insulation thickness, spark testing, voltage testing, dimensional inspection, sheath integrity, and fire resistance verification according to the specified category.

• 1C for Dedicated Emergency Feeders
• 2C for Single-Phase Safety Circuits
• 3C for Three-Phase Circuits Without Neutral (Depending on Design)
• 4C for Three-Phase Distribution with Neutral
• 5C for Three-Phase Distribution with Neutral and Protective Equipment (PE) (Depending on Design)

Based on design practice, 3+1 and 3+2 feeder structures can be used.

• 1.5
• 2.5
• 4
• 6
• 10
• 16
• 25
• 35
• 50
• 70
• 95
• 120
• 150
• 185
• 240
• 300

• 2C x 1.5
• 2C x 2.5
• 2C x 4
• 3C x 2.5
• 3C x 4
• 3C x 6
• 4C x 10
• 4C x 16
• 4C x 25
• 4C x 35
• 5C x 10
• 5 cores x 16
• 5 cores x 25
• 1 core x 70
• 1 core x 95
• 1 core x 120
• 1 core x 150

Select WDZN-YJY when emergency wiring and critical loads require Low Smoke Halogen-Free (LSZH) and fire-resistant circuit integrity.

Please confirm the following in the Bill of Materials (BOQ):

• LSZH Performance Requirements
• Fire resistance test methods, durations, and categories
• Select the number of conductors based on the circuit design and neutral/protective layer (PE) scheme.
• Select the conductor size based on current, line length, grouping, ambient temperature, and permissible voltage drop.
• If the line is subject to underground mechanical risks or pressure, specify the armored LSZH fire-resistant model as needed.

• Question 1: What is the purpose of WDZN-YJY?

  Answer: WDZN-YJY is used for low-voltage fixed-installation circuits that require low smoke halogen-free (LSZH) performance and fire-resistant circuit integrity, such as critical systems like emergency lighting, smoke extraction, and fire pumps.

• Q2 What does WDZN stand for?

  A: WDZ is typically associated with Low Smoke Halogen-Free (LSZH) sheathed systems, while N is generally used for fire-resistant circuit integrity requirements. Specific acceptance criteria must follow project standards.

• Q3 What is the voltage of WDZN-YJY?

  A: It is typically supplied as a 0.6/1kV low-voltage power cable.

• Q4 Is WDZN-YJY the same as flame-retardant cable?

  A: It is not just about flame retardancy. The goal of Low Smoke Halogen-Free (LSZH) cables is smoke-free and halogen-free, while the goal of fire-resistant cables is to maintain circuit integrity during fire exposure. Please confirm the required tests and durations in the Bill of Quantities (BOQ).

• Q5 What are the most commonly used cable sizes in emergency projects?

  A: Cables from 1.5 to 10 mm² are typically used for emergency lighting and control power. Cables from 16 to 120 mm² and above are typically used for feeders to safety equipment, depending on the load and distance.

• Q6 What details help expedite the quotation process?

  A. Standards, Low Smoke Halogen-Free (LSZH) requirements, fire resistance duration/category, core material configuration, size list, total meters, installation route, destination, packaging preferences, and documentation requirements.

• Over Productions Service:

  JinHong has a wide range of cable and conductor products for you to choose from. We will provide caring services and professional project solutions for everyone who needs them.

• Quality Certification Services:

  JinHong cable products are manufactured according to GB, IEC, BS, NFC, ASTM, DIN, and other international standards. Our technical team can customize cable products that meet your requirements according to your needs.

• Profession Customer Service:

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• Delivery And Shipping Services:

  While we at JinHong provide high-quality cables, we also provide good delivery solutions. While ensuring the safe delivery of products, we provide the best packaging and transportation solutions, greatly reducing customers’ transportation costs.

JinHong cable packaging is provided in the form of wooden reels, corrugated boxes, and coils. The cable ends are sealed with BOPP self-adhesive tape and a non-hygroscopic sealing cap to protect the cable ends from moisture. We can print the required marks on the outside of the barrel with waterproof material according to customer requirements.