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<p>Type 7P.31 surge arresters, SPD Type 3, for systems with neutral TT and TN-S. Single-phase applications for recessed installation (boxes 503) and on DIN rail. Unipolar protection suitable for the protection of LED lamps. IP 65. LED light signaling in case of varistor failure. Equipped with 2 150 mm long wires for a direct connection to the terminals.</p>
<p>Features include:</p>
<ul>
<li>Protects sensitive electrical and electronic devices from impulse overvoltages</li>
<li>1 + 1 configuration between varistor and spark gap (without leakage current)</li>
<li>Compliant with EN 61643-11: 2012</li>
</ul>


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Type 7P.31 - surge arrester (SPD) - Finder

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Type 7P.31 surge arresters, SPD Type 3, for systems with neutral TT and TN-S. Single-phase applications for recessed installation (boxes 503) and on DIN rail. Unipolar protection suitable for the protection of LED lamps. IP 65. LED light signaling in case of varistor failure. Equipped with 2 150 mm long wires for a direct connection to the terminals. Features include:  Protects sensitive electrical and electronic devices from impulse overvoltages 1 + 1 configuration between varistor and spark gap (without leakage current) Compliant with EN 61643-11: 2012

Type 7P.31 - surge arrester (SPD)

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7P Series - Surge Protection Devices (SPD)

1.000 V DC Max (or N+PE connection for spark gap modules)

275 V Max for SPD Type 1 “Low Up”, Type 2 (Uc) (for UN = 230-240 V AC) and Type 3

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