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Zforce ZHP Arresters (Heavy Duty)
The type ZHP distribution class arresters provides heavy duty surge protection to overhead systems.
Features:
- Zforce mold-on polymer housing for the ultimate seal against moisture ingress
- High strength Fibreglass for high fault-withstand design
- Integrated Ground Lead Disconnet for fast, reliable operation. Operates in less than 2 seconds at 1 amp and less than 2 cycles at 1,000 amps
Performance:
- High Current - Short Duration 100kA
- Low Current - Long Duration 250 amps
- Nominal discharge class per IEC 10kA
- Duty Cycle - 10kA
- Line Discharge Class per IEC: Class 1
- Minimum Energy Capability - 100% production tests: 2.7kJ/kV
- Fault Withstand Capability: 20kA
- REA Listed
- The ZHP designs are tested in accordance with the latest ANSI/IEEE standards for metal oxide arresters
For special lugs or other imperial sizes please
contact us
to discuss your requirement.
Part Number | Voltage Rating (UR) (kV rms) | MCOV (Uc) kVrms | Equivalent F.OW. kV (Crest) | Switching Surge kV (Crest) | Discharge Voltage (1.5kA) | Discharge Voltage (2.5kA) | Discharge Voltage (3kA) | Discharge Voltage (5kA) | Discharge Voltage (10kA) | Discharge Voltage (20kA) | Discharge Voltage (40kA) | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
3 | 2.55 | 11.5 | 7.5 | 8.4 | 8.6 | 8.7 | 9.2 | 10.2 | 11.6 | 13.7 |
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6 | 5.1 | 23.4 | 15.1 | 17.1 | 17.5 | 17.7 | 18.8 | 20.7 | 23.6 | 27.7 |
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9 | 7.65 | 33.5 | 21.6 | 24.4 | 25 | 25.4 | 26.8 | 29.6 | 33.8 | 39.7 |
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10 | 8.4 | 36.3 | 23.5 | 26.5 | 27.2 | 27.5 | 29.1 | 32.1 | 36.6 | 43 |
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12 | 10.2 | 43.5 | 28.2 | 31.8 | 32.6 | 33 | 34.9 | 38.5 | 44 | 51.6 |
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15 | 12.7 | 54.2 | 35 | 39.5 | 40.5 | 41 | 43.4 | 47.9 | 54.7 | 64.2 |
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18 | 15.3 | 65.6 | 42.4 | 47.8 | 49.1 | 49.7 | 52.6 | 58 | 66.2 | 77.7 |
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21 | 17 | 70.2 | 45.4 | 51.2 | 52.5 | 53.2 | 56.3 | 62.1 | 70.9 | 83.2 |
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24 | 19.5 | 87.9 | 56.8 | 64.1 | 65.7 | 66.6 | 70.4 | 77.7 | 88.7 | 104.1 |
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27 | 22 | 98.7 | 63.8 | 72 | 73.9 | 74.8 | 79.1 | 87.3 | 99.7 | 117 |
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30 | 24.4 | 109.6 | 70.9 | 79.9 | 82 | 83 | 87.8 | 96.9 | 110.6 | 129.9 |
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36 | 29 | 131.3 | 84.9 | 95.8 | 98.2 | 99.5 | 105.2 | 116.1 | 132.6 | 155.6 |
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