Type 2 surge protection should be present in every sub-distribution. It is the only way to achieve effective protection.
With an overall width of just 12 mm per channel, VALVETRAB SEC is the narrowest type 2 surge arrester in the world. With an overall width of just 48 mm, you are able to implement excellent protection against surge voltages in a 5-conductor system.
The protective device provides a voltage protection level of 1.5 kV and therefore fulfills the requirements of type 3 device protection. VALVETRAB SEC limits voltage peaks to such an extent that machines, systems, and household appliances are not damaged.
For industry and building installations with an external lightning protection system, surge protection type 2 is the second level of protection after the type 1 lightning arresters. The surge protective device handles short-circuit currents up to 50 kA and can be used without backup fuse up to a main fuse nominal current of 315 A.
Due to the high rated voltage of 350 V AC, VALVETRAB SEC arresters can be used worldwide, even with an unstable power supply with high mains voltage fluctuations.
The voltage protection level of the arrester combination is always below 1.5 kV.
UC = rated surge arrester voltage
UTOV = TOV requirement according to IEC 61643-1
UN = nominal voltage
VALVETRAB SEC has a symmetrical design. The base elements and plugs can be rotated 180°.
What this means for you:
The two terminal points per channel enable V-shaped through wiring.
A major advantage of VALVETRAB SEC: all arresters are consistently pluggable, including the N-PE spark gap.
The operating state of all modes of protection of VALVETRAB SEC is monitored.
In the event of an error, the L-N plugs are thermally disconnected. Clear signaling takes place directly on the module, without using any power.
A floating PDT contact is also monitored at the same time. Easy-maintenance remote signaling can therefore be implemented.
What this means for you is that the arresters indicate their state at the location that suits you best.
Configure products and solutions for your individual application.Surge protection for the power supply