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Sent: Wednesday, August 07, 2002 11:28 AM
To: 'David Heald'; 'EMC_PSTC'
Subject: RE: Thermal breakers vs magnetic breakers for telecom
Yeah, I had used them . . . once.
As they were a lower cost circuit breaker we spec'd them into a telecom
system. What we didn't think about was the temperature
RE: Thermal breakers vs magnetic breakers8/7/02
David, One of the reasons they may have been rejected previously is their
change in trip point due to temperature changes. The higher the ambient
temperature gets the lower the trip point of the thermal device becomes. If
11:18 AM
To: 'EMC_PSTC'
Subject: Thermal breakers vs magnetic breakers for telecom
Greetings all,
In the spirit of the continual quest for cost reduction, I have been asked
to look into the use of thermal circuit breakers instead of magnetic ones.
It seems like we rejected thermal breakers
ratings.
Darrell Locke
Advanced Input Devices
-Original Message-
From: David Heald [mailto:dhe...@tellium.com]
Sent: Wednesday, August 07, 2002 8:18 AM
To: 'EMC_PSTC'
Subject: Thermal breakers vs magnetic breakers for telecom
Greetings all,
In the spirit of the continual quest for cost
Greetings all,
In the spirit of the continual quest for cost reduction, I have been asked
to look into the use of thermal circuit breakers instead of magnetic ones.
It seems like we rejected thermal breakers before for some reason, but now
no one can remember why.
Does anyone know of any
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