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Automatic Mini intelligent Air Circuit Breaker / ACB for single phase ground fault
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Automatic Mini intelligent Air Circuit Breaker / ACB for single phase ground fault

HW8
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Description

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?Automatic Mini intelligent Air Circuit Breaker / ACB for single phase ground fault

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Application
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HW8 series intelligent air circuit breakers are applied for the network circuit of AC 50Hz, rated voltage 400V, 690V and rated current between 400A and 6300A. Mainly used for distributing energy and protecting the circuit and power supply
device against short circuit, under voltage, single-phase ground fault, etc. The HW8 has intelligent protection function and the key parts adopt intelligent release. The release can make the accurate selective protection, which can avoid cutting off
the power and improve the reliability of power supply.The products conform to IEC60847-2, IEC60947-4 standards.
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Speci?cations
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Type | Frame rated
current InmA | Rated current InA | Rated
voltage Ue V | Rated
insulation voltage Ui V |
HW8-2000 | 2000 | 400, 630, 800, 1000, 1250, 1600, 2000 | AC 400/690 | 800 |
HW8-3200 | 3200 | 2000, 2500, 2900, 3200 |
HW8-6300 | 6300 | 4000, 5000, 6300 |
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Type | Breaking capacity 1cu KA | Rated run shortcircuit breaking capacity 1cs KA | Rated short-time current 1cw KA | Arcing distance
mm(draw-out) |
400V | 690V | 400V | 690V | 400V |
HW8-2000 | 80 | 50 | 50 | 40 | 50 | 0 |
HW8-3200 | 100 | 65 | 80 | 50 | 65 |
HW8-6300 | 120 | 85 | 100 | 80 | 85 |
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Current multiple | 1.05Ir1 | 1.3Ir1 | 1.5Ir1 | 2.0Ir1 |
Tripping time | >2h nont ripping | <2h ripping | Setting time tL | Tripping time in 1.05IrtL |
15s | 30s | 60s | 120s | 240s | 480s | 8.4s | 16.9s | 33.7s | 67.5s | 135s | 270s |
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Note:
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1. When it has three protection, setting value cannot be cross
2. The ex-factor current setting value is Ir1=In1=In, Ir2=4In, Ir3=50kA and Ir4=0.2 in if there is no specifications on the contract.
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Type | Pole | L1 | L2 | L3 | L4 | L5 | W1 | W2 | b | In A | a |
HW8-2000 | 3P | 375 | 335 | 292 | 356 | 247 | 421 | 467 | 137 | 400~630 | 10 |
4P | 470 | 430 | 292 | 360 | 247 | 800~1600 | 15 |
HW8-3200 | 3P | 435 | 395 | 352 | 325 | 307 | 2000~2500 | 20 |
4000A | 550 | 510 | 352 | 440 | 307 |
4P | 550 | 510 | 352 | 440 | 307 | 494 | 540 | 212 | 3200~4000 | 30 |
HW8-6300
4000/5000 | 3P | 813 | 773 | 352 | 703 | 307 | 4000 | 20 |
4P | 928 | 888 | 352 | 818 | 307 | 5000~63000 | 30 |
HW8-6300 | 3P | 928 | 888 | 352 | 818 | 307 |
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WENZHOU HUAJIA ELECTRICAL EQUIPMENT CO.,LTD.

Mini Circuit Breaker

Address: No.311, Latitude 15 Road, Yueqing Economic Development Zone,
Wenzhou, Zhejiang
China, 325000

Tel: 86-577-62779779
Fax: 86-577-62779118

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