
Description
Protection magazines offer optimum primary protection against overvoltage and overcurrent disturbances. The surge arresters limit overvoltage quickly and safely to uncritical levels and reliably discharge the resulting dangerous currents.
The 3-Point p rotection magazines (against overvoltages) are fitted with 3-electrode arresters. In case of overvoltage, an arc is generated in the arrester, which discharges the energy towards the ground potential. This arc is broken when the voltage falls below the nominal response direct voltage of the arrester.
The 5-Point protection magazines (for both overvoltage and overcurrent protection) are fitted with 3-electrode arresters and PTCs, i.e. Positive Temperature Coefficient. When the nominal current of the PTC is exceeded, the component heats up and the resistance increases exponentially. The PTC therefore limits the current, cools down in accordance with the load and then returns to its original state.
This reversible procedure can be repeated a number of times if necessary, for both types of magazines.
Features
- Installation of the protection magazine from the rear side free access for measuring and testing operations from the front side
- Optional Positive Temperature Coefficients (PTC) limits overcurrent by increasing the resistance of the protection magazine , thus transfoming electric energy into heat energy and therefore restoring the current.
- PCB board installed that offers higher flexibilty for customized solutions
Specifications:
Number of Outlets | OTHER |
---|---|
UNSPSC Code | 39120000 |
Spec Sheet
Spec SheetShipping and Fulfillment Policy
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