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Arresters >>
Distribution Arresters
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Features:
- Zforce Arresters have mold-on polymer housing for the ultimate seal against moisture ingress
- High strength Fiberglass 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:
- The ZNP designs are tested in accordance with the latest IEEE and IEC standards for metal oxide arresters. (patent no. 5,923,518
- 1. High Currect - Sort Duration 65kA
2. Low Current - Lon Duration 150 amps
3. Nominal discharge class per IEC 5kA
4. Duty Cycle - 10kA
5. Line Discharge Class per IEC: Class 1
6. Fault Withstand Capability: 20kA rms-sym
7. REA Listed
See EZ Ordering Information Link for catalog number assistance.
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| ZNP Protective Characteristics |
| Catalog Number |
Voltage Rating (Ur) (kV rms) |
MCOV (Uc) (kVrms) |
Equivalent F.O.W. 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) |
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ZNP009
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9 |
7.65 |
29.9 |
23.7 |
25.4 |
26.2 |
26.6 |
28.2 |
30.5 |
33.8 |
39.9 |
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ZNP010
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10 |
8.4 |
32.9 |
26.3 |
28.1 |
29.2 |
29.6 |
31.3 |
33.9 |
37.4 |
43.9 |
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ZNP018
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18 |
15.3 |
59.7 |
47.4 |
50.7 |
52.3 |
53.1 |
56.4 |
61.0 |
67.5 |
79.7 |
| ZNP Protective Characteristics |
| Catalog Number |
Voltage Rating (Ur) (kV rms) |
MCOV (Uc) (kVrms) |
Equivalent F.O.W. 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) |
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ZNP009
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9 |
7.65 |
29.9 |
23.7 |
25.4 |
26.2 |
26.6 |
28.2 |
30.5 |
33.8 |
39.9 |
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ZNP010
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10 |
8.4 |
32.9 |
26.3 |
28.1 |
29.2 |
29.6 |
31.3 |
33.9 |
37.4 |
43.9 |
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ZNP018
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18 |
15.3 |
59.7 |
47.4 |
50.7 |
52.3 |
53.1 |
56.4 |
61.0 |
67.5 |
79.7 |
Notes:
1. Reduce creepage by 1.45 inches (36.8mm) when ordering without insulating bracket.
2. Weight does not include metal mounting hardware
3. MCOV = Maximum Continuous Operating Voltage that may be applied continuously between the
terminal of the arrester.
4. The equivalent Front-of-Wave is the maximum discharge voltage for a 5kA impulse current wave
which produces a voltage wave cresting in 0.5 μs. 5. Based on switching surge current imulse of
45x90 μs, 500 amperes.
| ZNP Physical Data |
| Catalog Number |
Voltage Rating (Ur) (kV rms) |
Creepage (in) |
Strike (in) |
A (in) |
B (in) |
C (in) |
D (in) |
Weight Ea (lbs) |
Bracket Creepage (in) |
Ins Bracket No. Skirts |
E (in) |
F (in) |
G (in) |
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ZNP009-0000000
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9 |
15.04 |
7.69 |
8.83 |
4.00 |
7.71 |
3.93 |
2.9 |
4.60 |
3 |
1.88 |
2.70 |
1.31 |
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ZNP010-0000000
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10 |
17.41 |
8.00 |
9.14 |
4.00 |
8.02 |
3.93 |
3.0 |
4.60 |
3 |
1.88 |
2.70 |
1.31 |
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ZNP018-0000000
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18 |
26.59 |
11.23 |
12.23 |
4.00 |
11.16 |
5.43 |
4.8 |
9.16 |
6 |
2.13 |
2.95 |
1.66 |
| ZNP Physical Data |
| Catalog Number |
Voltage Rating (Ur) (kV rms) |
Creepage (mm) |
Strike (mm) |
A (mm) |
B (mm) |
C (mm) |
D (mm) |
Weight Ea. (kg) |
Bracket Creepage (mm) |
Ins Bracket No. Skirts |
E (mm) |
F (mm) |
G (mm) |
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ZNP009-0000000
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9 |
382 |
195 |
224 |
102 |
195 |
100 |
1.32 |
117 |
3 |
48 |
67 |
33 |
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ZNP010-0000000
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10 |
442 |
203 |
232 |
102 |
204 |
100 |
1.37 |
117 |
3 |
48 |
67 |
33 |
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ZNP018-0000000
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18 |
675 |
285 |
311 |
102 |
283 |
138 |
2.18 |
232 |
6 |
54 |
75 |
42 |
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