DC Circuit protectors
Surge arrester type 1+2 1000 V Noark
Manufacturer: Noark Electric
INDEX: 111759
The Ex9UEP type surge arresters are designed to protect photovoltaic applications. They are designed and manufactured according to the standards of EN 61643-31, PV class T1+T2. An optical indicator of the varistor insert status informs about the element wear.
The built-in auxiliary contact allows the electrical signalling of the insert status. Safe replacement of worn out varistor elements is possible without disconnecting the device.
Distinguishing features of the product:
- DC surge arresters for photovoltaic systems
- PV I1 + T2 (Class I+II, Type 1+2, B+C)
- Rated discharge current In 20 kA (8/20 µs)
- Maximum discharge current Imax 40 kA (8/20 µs)
- Surge current Iimp 6.25 kA (10/350 µs)
- Maximum continuous operating voltage UCPV from 500 V DC to 1500 V DC
- For earthed and ungrounded photovoltaic systems
- Replaceable insert
| DC protection type: | DC Surge arrester |
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| Dimensions WxHxD [mm]: | 52 x 90 x 62 |
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| Width - number of modules: | 3 |