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Surge arrester with spark gap class B+C 3P+NPE 7kA
Ex Tax: 51.74€
Surge arrester with spark gap B+C 3P+NPE 7kA
- They are dedicated to protecting LV power supply installations against the effects of induced and switching overvoltages. Can be installed in TN and TT networks (NPE version)
- They should be used as both the first and second level of protection in floor boards and sub-distribution boards. The arresters should be installed at the points where the electrical installation enters the building.
- They provide complete protection of the electrical installation and the electrical devices powered by it against the effects of part of the lightning current and other types of overvoltages.
- They reduce overvoltages and reduce surge currents from both types of overvoltages - direct and indirect - to the ground. They also provide a two-stage level of protection.
- The use of modular surge arresters VCX-B+C class T1 T2 (+NPE) does not require the use of decoupling chokes.
- They provide effective protection for computers, electronics/home appliances, etc.
- They are equipped with a visual operation indicator (green - protection, red - no protection)
Technical data:
- Protection class T1 T2
- Varistor version
- 32A protection required
- Connections max 35mm2
- Maximum operating voltage Uc 320 V AC
- Test current In(8/20) 20 kA
- Maximum current Imax(8/20) 50 kA
- Impulse current Iimp(10/350) 7 kA
- Voltage protection level Up <1.5kV
- Storage temperature -30/+70°C
- Operating ambient temperature -30/+50°C
- IP 20 tightness class