The power resistor unit in the PRU series is a type of resistor

The power resistor unit in the PRU series is a type of resistor

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The power resistor unit in the PRU series is a type of resistor cabinet which is made up of wire wound resistors. It is suitable for the dynamic braking circuit of the transducer of the high-power, strong current braking equipment, testing equipment, elevator and crane. The working voltage of the routine product is below 1200V DC and the rated power ranges from 20KW to 200KW.

Technical Indications

1. Rated power range: 30kW-200kW

2. Operating voltage range: <1200V

3. Rated resistance range: 0.5kR-100kR

4. Electric strength: AC 3KV 50Hz 5s

5. IP Grade: IP00/IP23

6. Vibration: 0.5g

7. Range of temperature excursion: ≤400ppm/℃

8. Material of the current carrier: 0Cr25AL5

9. Advantage: High-power

10. Disadvantage: Relatively poor vibration resistance

11. It is applied in elevator, lifting high-power brake circuit and the simulated load test

Outline & Mounting Dimension (Unit:mm)

Type Power (KW) Dimension(mm) Terminal Gross weigth (kg)  Cable(m㎡) Combination
 W  D  H  H1  D1  W1
30 700 500 1100 1185 342 615 M6 73.4 16 12*2. 5kW
40 700 500 1100 1185 342 615 M6 87 25 16*2. 5kW
50 700 500 1500 1585 342 615 M6 100 25 20*2. 5kW
60 700 500 1500 1585 342 615 M6 114 35 24*2. 5kW
70 700 500 1800 1885 342 615 M6 127 35 28*2. 5kW
80 700 500 1800 1885 342 615 M6 138 50 32*2. 5kW
90 700 500 2000 2085 342 615 M6 155 50 36*2. 5kW
100 700 500 2000 2085 342 615 M6 165 50 40*2. 5kW
200 1400 500 2000 2085 342 615 M6 331 75 2*100kW

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