APPLICATION: 

To test the ability of metal conductor insulated bundled cables to inhibit flame spread under specified conditions.

STANDARDS: 

IEC 60332-3-10, IEC 60332 - 3 - 21 ~ 25, GB/T18380.31～36 ~ 36, etc.

Technical parameters:

1. Size of stainless steel test box: 1000±100 ( W ) × 2000 100 ( D ) × 4000±100 ( H ) mm

2. Air inlet of lower front half of box body: 800±20 ( W ) × 400±10 ( D )

3. Vent at the top of the box: 300±30(W)×1000±100(D)mm

4. Box observation window: Refractory glass

5. Dimensions of steel ladder for testing ( vertical ): 500(W)×3500(H)mm

6. Wide steel ladder size: 800(W) ×3500(H)mm

7. Combustion surface size: (L)257×(W) 4.5mm

8. Inner wall temperature: 5 ℃ ~ 40 ℃

9. Propane flow range: 77.7±4.8L/min

10. Air flow range: 13.5±0.5L/min ( provided by air compressor users ).

11. The heat source is a belt-type propane burner burner with Venturi mixer, and the hole center distance is 3.2 mm.

12. A flame stop cylinder is installed to prevent propane gas from tempering.

13. The computer automatically records all control and test conditions.