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TEL50E Datasheet(PDF) 1 Page - Protek Devices |
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TEL50E Datasheet(HTML) 1 Page - Protek Devices |
1 / 3 page TEL50B & TEL50E 1 05049.R3 11/03 www.protekdevices.com PBX LOW VOLTAGE TELEPHONE PROTECTOR Only One Name Means ProTek’Tion™ APPLICATIONS ✔ Telcom Terminal Equipment ✔ Data/Telcom Interfaces ✔ Dedicated Fax & Modem IEC COMPATIBILITY (EN61000-4) ✔ 61000-4-2 (ESD): Air - 15kV, Contact - 8kV ✔ 61000-4-4 (EFT): 40A - 5/50ns ✔ 61000-4-5 (Surge): 8/20µs - 95A, Level 4 (Line-Gnd) & 48A, Level 4 (Line-Line) FEATURES ✔ Designed for ±50 Volt (Peak) Telephone Lines ✔ 4 Wire, Line-to-Ground Protection ✔ Permanent Two-Stage Protection ✔ Subnanosecond Response Time ✔ Automatic Reset - Does Not Interrupt Service ✔ Effective Against Lightning, Inductive Switching and ESD MECHANICAL CHARACTERISTICS ✔ Weight: TEL50B - 28 grams & TEL50E - 142 grams (Approximate) ✔ Flammability Rating UL 94V-0 ✔ Device Marking: Case - Logo, Terminal Designations & Part Number Board - Logo, Date Code & Part Number DESCRIPTION The TEL50B/E is a two-stage transient voltage protector that provides primary and secondary protection against lightning, inductive switching and electrostatic discharge (ESD) transient threats. The first stage diverts the transient current through the ground terminal return path and the second stage clamps the voltage to a safe level without interruption of service. The TEL50B/E is designed to protect telcom lines from common mode (line-to- ground) transients. There are four (4) independent lines referenced to the ground terminals. TEL50E TEL50B |
Similar Part No. - TEL50E |
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Similar Description - TEL50E |
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