Page 79 - Surge-Protection-E_0.pdf
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Surge Arresters – Type 2
SPD+POP+MCB / POP+MCB
• Comprehensive protection against transient and power
frequency overvoltage (SPD+POP)
• Fulfils the requirements of EN 50550 “Power frequency over-
voltage protective device”
• Prewired complete unit, individual devices do not have to be
additionally wired
• Easy installation and retrofitting thanks to low space require-
ments
• High reliability due to “Thermo Dynamic Control” monitoring
system integrated in the SPD
• Application-optimised discharge capacity of 5 kA (In) / 15 kA
(Imax) (8/20 μs) per pole
• Energy coordination with other arresters of the Red / Line series
• Operating state / fault indication by green / red indicator flag For protecting low-voltage consumer’s installations against transient and tem-
in the inspection window of the SPD porary overvoltages (SPD+POP). For installation in conformity with the lightning
protection zone concept at the boundaries from 0B – 1 and higher.
SPD+POP 2 255 C... : Compact surge arrester for transient and power frequency overvoltages in single-phase TT and TN systems
(1+1 configuration)
SPD+POP 4 255 C... : Compact surge arrester for transient and power frequency overvoltages in TT and TN systems (3+1 configuration)
POP 2 255 C... : Compact surge protective device for power frequency overvoltages in single-phase TT and TN systems
POP 4 255 C... : Compact surge protective device for power frequency overvoltages in single-phase TT and TN-S systems
Electrical installations are increasingly damaged by overvoltage. This dam- ures and comply with the European EN 50550 product standard for
age is not only caused by transient overvoltages, but also by power fre- “Power frequency overvoltage protective devices”.
quency overvoltages which result from , e.g. instable systems or breakage If power frequency overvoltages occur, the connected miniature circuit
of the neutral conductor. breaker (MCB) disconnects the arresters, putting them into a safe state.
The compact SPD+POP 2/4 255 C.. surge protective devices combine con- When the miniature circuit breaker is reconnected, the system is checked
ventional surge protection (SPD) with power frequency overvoltage pro- for surges. If the system is still unstable and unbalanced surges are pres-
tection (POP) in an easy-to-install complete device. ent, the miniature circuit breaker trips again.
The type 2 arresters ensure protection against transient overvoltages Various types are available for different tripping currents of the miniature
caused by, e.g. inductive coupling resulting from a lightning strike or circuit breaker. This ensures that the surge protective device is is suitable
switching operations. The devices fully comply with the requirements of for the parameters of the electrical installation.
national and international product standards and feature a dual “ Thermo Despite of the manifold functions, the devices take up little space: Four to
Dynamic Control ” monitoring device which ensures maximum reliability. seven modules are required for protecting an electrical installation.
The POP 2/4 255 C.. surge protective devices can be used in installations Therefore, the devices are can be easily retrofitted into existing electrical
which are already protected against transient overvoltage by other meas- installations.
Surge Arresters – Type 2
Valid as of August 1, 2020 You will find detailed product information on our website 75
