Bunched Cable Vertical Flame Tester
The Bundled Cable Vertical Burning Tester is a laboratory instrument designed to evaluate the flame propagation characteristics of bundled wires and cables under standardized fire conditions. It simulates abnormal states such as overheating and overcurrent to test the insulation and flame-retardant performance of cables. Optional integration with a heat release measurement system allows the evaluation of Heat Release Rate (H.R.R), Smoke Production Rate (S.P.R), and other fire performance metrics.
Application
(1) Electrical wire and cable manufacturers: testing flame propagation of bundled insulated copper or aluminum conductors.
(2) Power cable production: vertical flame testing of multi-core and single-core power cables.
(3) Optical fiber cable manufacturing: verifying flame resistance of fiber optic cables under vertical installation conditions.
(4) Quality control and R&D laboratories: flame retardancy evaluation, product certification, and material development.
(5) Compliance testing agencies: meeting international fire safety standards for cables.
(6) Electrical engineering and safety research: assessing drip behavior, flame spread, and combustion characteristics of different cable types.
Compliance Standards
(1) UL 1685 — Vertical Tray Fire Test for Electrical Cables
(2) GB/T 18380.3 — Vertical Bundle Burning Test for Wires and Cables
(3) IEC 60332-3-10 — Flame propagation test for vertically-mounted single cables
(4) IEC 60332-3-21 ~ 25 (A~D Class) — Flame propagation test for vertically-mounted bundled cables
(5) EN 50399 — Fire test for cables under thermal conditions
(6) KS C IEC 60332-3 series — Korean standard for cable flame testing
(7) IEEE 383 / IEEE 1202 — Flame test for electrical wires and cables (with 20° burner adjustment)
Technical Parameters
| Parameter | Specification |
|---|---|
| Test Chamber Dimensions (W×D×H) | 1000±100 × 2000±100 × 4000±100 mm |
| Burner Dimensions | 257 × 4.5 mm, 242 holes |
| Air Flow | 5000±500 L/min (adjustable) |
| Air Source Range | up to 8000 L/min |
| Gas Type | 95% pure propane (customer-supplied) |
| Gas Pressure | 100 kPa at 20 °C |
| Overall Machine Size (W×D×H) | 1165 × 2165 × 4350 mm |
| Control Console Size | 600 × 750 × 1600 mm |
| Power Supply | AC 220 V, 50/60 Hz, 15 A |
| Weight | 1500 kg |
| Optional Features | Heat release measurement port, flame angle adjustment for IEEE 383 testing |
Product Advantages
High degree of automation with PLC and touchscreen interface
Precise flame and airflow control for repeatable and standardized testing
Stainless steel corrosion-resistant chamber and ladder for durability
Safety features including flame cutoff tube, automatic ignition, and electric hoist
Supports international standards including UL, IEC, EN, KS, GB/T, and IEEE testing protocols
Optional heat release measurement system allows advanced fire dynamics testing
FAQ
(1) What is the Bundled Cable Vertical Burning Tester?
It is an instrument for evaluating flame propagation, dripping behavior, and insulation performance of bundled wires and cables.
(2) What is it used for?
It simulates vertical flame exposure to test the fire resistance of cables under abnormal conditions like overheating or overcurrent.
(3) What types of products can be tested?
Single-core and multi-core electrical cables, power cables, and optical fiber cables.
(4) What industry problems does it solve?
Ensures fire safety compliance, supports quality control, and evaluates flame retardancy in cable manufacturing.
(5) How is it operated?
Place cable bundles on the sample racks, set flame and airflow parameters via touchscreen, start automatic ignition and timing, and monitor test progress with integrated sensors and data logging.
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