Wire Fire Resistance Test Machine, IEC 60331

Примечание:

Fire-resistant cable refers to the cable that can keep a safe running time in the case of flame combustion.

TESTECH Fire Resistance Tester is designed according to the requirements of  IEC60331-11.and used to obtain the refractory characteristics of a fire resistant cable or optical cable under flame conditions.

Стандарты:

• IEC 60331 Part 11

• IEC 60331 Part 21

User' s Experience:

1. This cabinet is made of stainless steel, anti-smoke and gas corrosion.

2. The control system is designed with a high degree of automation, automatic ignition, temperature and time digital display, convenient to observe and record, stable and reliable.

Main Features:

1. All fixtures are made of stainless steel;

2. The burner is a belt type propane blowtorch with a Venturi mixer, and the burner nozzle is length 500mm, width 15mm;

3. Those burning holes are staggered into 3 rows, and the front width is 15mm, holes diameter is 1.32mm and these holes center distance is 3.2mm;

5. One end of the specimen holder is equipped with a clamp to fix the sample, and the other end is convenient for heat transfer along the longitudinal specimen;

6. The cable sample is supported by two metal rings, and the middle length of the two rings is about 300mm;

7. An inner diameter of the sample supporting metal rings is 150mm, and the cross-sectional diameter of the ring is 10 ± 2mm.

8. The position of the burner torch from burning the bottom is not less than 200mm, and not less than 300mm from the tank wall.

Combustion System:

1. Independent standard electrical control platform;

2. With intelligent detection function, when a short circuit in the sample during the test, automatic alarm and turn off the fire source.

3. Fuse current in the experimental circuit is 2A;

4. The sample is applied to power of AV 100V ~ 1000V adjustable;

5. The time can be set free for the fire, the time recommended by standards is 90min.

Device parameters:

1. Voltage: AC 380V 3-phase, 50 / 60Hz, 30A;

2. The input voltage 0 ~ 1000V; can be adjusted;

3. The breakdown current is 2A;

4. Maximum power: 5000VA;

5. Timer: 0 ~ 999min

6. The flame temperature of 0 ~ 1100 ºC adjustable;

7. The test load current is 0.25A, can be adjusted;

Нормы: