Page 447 - Din prodcuts 2020
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OVR T1-T2 12.5, T2 and T2-T3 ranges The pluggable feature of ABB The end-of-life indicator of the SPD
are using same terminal as Pro M OVR T1-T2, T2 and T2-T3 surge signals the status of the device.
compact devices to guarantee protective devices (SPDs) facilitates A mechanical indicator turns from
a complete coordination and time maintenance. Should one or more worn green to red when the SPD reaches the
saving in wiring operation. cartridges need to be replaced, the end of its life, when the end-of-life in-
wires do not have to be removed. dicator is fitted.
The toggle of the miniature circuit A safety reserve system for an QuickSafe MOV technology extended
breaker indicates the status of the extended protection. T1-T2s and T2s. to SPD dedicated to D.C photovoltaic
OVR Plus range. These Surge Protective Devices are applications, bringing seft-protected
If the toggle is on, the surge protection equipped with two varistors per pole. feature (no back-up needed) up to 10
is active. If the toggle is off and can be If one varistor is damaged, the SPD kA PV short circuit current.
switched on again, the device has pro- gives advanced warning that it is
tected your equipment. If the toggle is approaching the end of its life while
off and cannot be swicthed on, the de- the other varistor continues to protect
vice must be changed. the equipment, allowing to perform
Preventive Maintenance.