Brochure/Catalogue

Type I and II lightning arrester
Type I
Lightning / surge protection for type I
with spark gaps and varistor technology: VPU I
Weidmüller‘s VPU I series offers type I surge protection
featuring varistor technology with a leakage current capacity
of 12.5 kA to 35 kA (10/350 µs). The pluggable, self-
monitoring surge arresters of up to 25 kA are optionally
available as 1-, 2-, 3- or 4-pole versions – with or without
a remote signalling contact. VPU II devices can be rotated
through 180° and thereby simplify installation with cross-
connection bridges to the RCD. Since the devices can rotate,
PE connections can take the shortest routes possible.
The advantages for you:
• Remote signalling function
• Suitable for various types of mains voltages (TN/TT)
• Tested in compliance with IEC 61643-11
and EN 61643-11
• Convenient installation in sub-distribution boards and
electrical cabinets
• Designed for use in buildings according to lightning
protective level III/IV for 12.5 kA and I/II for 25 kA
• Very low residual voltage (<1.3 kV), thus also suitable as
Type II surge protection
Lightning conductors with spark gap for lightning
protection or equipotential bonding providing
Surge protection type I
According to the requirements of Type I (DIN VDE 0675 part 6)
and Type I according to IEC 61643-11: the lightning arrester
should be used in the transition zone between protective
zones (LP) 0 and 1 (acc. to IEC 1312-1) for lightning
protection equipotential bonding. In combination with
several lightning protectors, the surge protection is used
in the mains forms TN, TT and IT. When lightning strikes,
the triggered air gap protector provides the necessary
equipotential bonding between the building lightning
protection and the earthing system of the power supply.
VPU I LCF 35 kA
Lightning and surge protection for installation before
the electric meter in the highest lightning protection
level (LPL)
The VPU I LCF 35 kA line of lightning and surge protectors
for power are installed before the meter. The arrester
protects the low-voltage consumer and electronic
devices from any direct lightning effects and couplings.
VPU I LCF 35kA are fully compliant with IEC 61643-11 and
are approved according to type I and type II requirements
and type 1 / type 2 as laid down in EN 61643-11. With this
product line, Weidmüller provides type I surge protection
in varistor gas discharge technology with a leakage current
capacity of 35 kA (10/350 μs), offering impressive freedom
from leakage current and high protection properties.
The VPU I LCF 12.5 kA is a “compact“ solution for protective
Types III/IV and is sufcient for use before the meter.
With protection Type I, it is critical that this is used with one
phase and the VPU I LCF 35 kA is the solution.
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Lightning and surge protection for low voltage supply