4B1E 350V 5 Pin Primary Telephone Surge Protector

Circa Telecom 4B1E 5 Pin 350 Volt Primary Telephone Surge Protector, GTD with PTC.
Manufacturer part number: 4B1E
Manufacturer: Circa Telecom
Availability: In stock

Circa 4B1E 350V 5 Pin Primary Telephone Surge Protector TVSS.

4B1E Surge Protector.

The Circa 4B1E is an advanced, 350V solid-state UL 497 primary telecommunications 5-pin surge protection module. The 4B1E module fits any industry standard 5-pin building entrance protector housing. All models employ state-of-the-art silicon breakover technology as the active overvoltage clamping elements, along with PTC (positive temperature coefficient) overcurrent circuitry which allows normal Digital telephone current to pass, but quickly blocks damaging fault currents. UL & cUL listed Primary

4B1E Series PDF

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