ONEAC Sentinel Series

Ultimate Assurance of system reliability

Leading telecommunications companies employ
ONEAC Sentinel communication line protectors in
their installations for good reason: because Sentinel
protectors provide greater assurance of PBX and
Key system uptime and lower service costs than
conventional protectors.

Eliminates harmful transients

System lockups, dropped calls, mis-dials, system
memory loss, “no trouble found” service calls, service
outages, shortened component life — these problems
all result from high frequency interference. Sentinel
Series protectors with ONEAC’s patented Frequency
Selective Transient Voltage™ (FSTV) technology prevent
these fast-edged transients from entering your system,
yet allow lower frequency ring voltages and signals to
pass through unobstructed.

Last longer on the job

ONEAC communication line protectors feature more
robust design than others so they’re better able to
withstand current and voltage surges. Which eliminates
the cost and downtime of replacement due to failures.

Proven to reduce service costs

By removing electrical transients, ONEAC improves
system reliability. Look at actual evidence — installers
switching over to a protection scheme using Sentinel
protectors with ONEAC power conditioners report
an over 50% reduction in total service calls; 83%
fewer service calls due to hardware problems; 70%
fewer system resets; and 43% fewer calls in which
no trouble was found.

• Robust/solid state overvoltage protection: last longer in the field

• Patented Frequency Selective Transient Voltage™ protection: allows exceptionally low let-through performance for optimum protection of electronic systems

• 100 A surge impulse design: provides longer lasting protection

• Convenient test points: for faster, easier line testing

• Models available for analog and digital telecom lines

• 5-year warranty: your best assurance of product performance and reliability in the industry.

• Manufactured under ISO 9001: assures consistent quality and performance.

• Free 24-hour technical support

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Line and Surge Protection