TEL50B View Datasheet(PDF) - ProTek Devices.
Part Name
Description
MFG CO.
'TEL50B' PDF : 5 Pages View PDF
Only One Name Means ProTek’Tion™
PBX LOW VOLTAGE TELEPHONE PROTECTOR
TEL50B - TEL50E
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.
TEL50B
TEL50E
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
05049.R4 12/10
Page 1
www.protekdevices.com
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