Type 7P.21 surge arresters, Single-pole , SPD Type 2 (1 varistor) usable in DC applications or systems single phase AC in low voltage. Varistor protection +/– or L/N (GND); -/+ or GND (L/N). Replaceable module. Available with remote contact for signaling the status of the varistor.
Features include:
Suitable for AC and DC systems/applications for protection against induced and switching overvoltages
To be installed on the border between zones LPZ 1 and LPZ 2
Visual indicator of the varistor status – functional/to be replaced
Signaling with remote contact of the varistor status. Connector (07P.01) included in the packaging (depending on version)
Varistor and spark gap modules, replaceable
Compliant with EN 61643-11: 2012
35 mm rail (EN 60715) mounting, 17.5 mm per pole
Also available in the following version: – 7P.21.8.130.1015 SPD Type 2 single-pole usable in DC applications or single-phase AC low voltage systems
Varistor protection +/– or L/N (GND); -/+ or GND (L/N)
Replaceable module
– 7P.21.8.275.x020 SPD Type 2 single-pole usable in single-phase or three-phase applications (230/400 V)
Varistor protection L/N (GND) -GND/(L/N)
Replaceable module
-7P.21.8.440.x020 SPD Type 2 unipolar for three-phase systems with nominal voltage 400 V AC
Varistor protection L/N (GND) -GND/(L/N)
Replaceable module
Type 7P.21 surge arresters, Single-pole , SPD Type 2 (1 varistor) usable in DC applications or systems
single phase AC in low voltage. Varistor protection +/– or L/N (GND); -/+ or GND
(L/N). Replaceable module. Available with remote contact for signaling the status of the varistor.
Features include:
- Suitable for AC and DC systems/applications for protection against induced and switching overvoltages
- To be installed on the border between zones LPZ 1 and LPZ 2
- Visual indicator of the varistor status – functional/to be replaced
- Signaling with remote contact of the varistor status. Connector (07P.01) included in the
packaging (depending on version)
- Varistor and spark gap modules, replaceable
- Compliant with EN 61643-11: 2012
- 35 mm rail (EN 60715) mounting, 17.5 mm per pole
Also available in the following version:
– 7P.21.8.130.1015 SPD Type 2 single-pole usable in DC applications or single-phase AC low voltage systems
- Varistor protection +/– or L/N (GND); -/+ or GND
(L/N)
- Replaceable module
– 7P.21.8.275.x020 SPD Type 2 single-pole usable in single-phase or three-phase applications (230/400 V)
- Varistor protection L/N (GND) -GND/(L/N)
- Replaceable module
-7P.21.8.440.x020 SPD Type 2 unipolar for three-phase systems with nominal voltage 400 V AC
- Varistor protection L/N (GND) -GND/(L/N)
- Replaceable module
