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TEL50B Datasheet(PDF) 1 Page - Protek Devices

Part # TEL50B
Description  PBX LOW VOLTAGE TELEPHONE PROTECTOR
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Manufacturer  PROTEC [Protek Devices]
Direct Link  http://www.protekdevices.com
Logo PROTEC - Protek Devices

TEL50B Datasheet(HTML) 1 Page - Protek Devices

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Only One Name Means ProTek’Tion™
www.protekdevices.com
05049.R4 12/10
Page 1
TEL50B - TEL50E
PBX LOW VOLTAGE TELEPHONE PROTECTOR
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 inter-
ruption 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.
FEATuREs
• Compatible with IEC 61000-4-2 (ESD): Air - 15kV, Contact - 8kV
• Compatible with IEC 61000-4-4 (EFT): 40A - 5/50ns
• Compatible with IEC 61000-4-5 (Surge): 95A, 8/20µs, Level 4 (Line-
Gnd) & 48A, Level 4 (Line-Line)
• 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
• Approximate Weight: 28 grams (TEL50B) & 142 grams (TEL50E)
• Flammability Rating UL 94V-0
APPLiCATiONs
• Telcom Terminal Equipment
• Data/Telcom Interfaces
• Dedicated Fax & Modems
TEL50B
TEL50E


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