Mike,
The following is from clause 5.1.4 of IEC 1010-1 which is for equipment for
measurement, control, and laboratory use. NOTE: IEC 127 is the standard that
International fuses are tested against. Apparently you can use letter or
color codes.
The letter and color codes of IEC 127 are as follows:
Very quick acting: FF, or black
Quick acting: F, or red
Medium time lag: M, or yellow
Time-lag: T, or blue
Long time-lag: TT, or grey
Kurt Andrews
Compliance Engineer
Tracewell Systems, Inc.
567 Enterprise Drive
Westerville, Ohio 43081
voice: 614.846.6175
toll free: 800.848.4525
fax: 614.846.7791
http://www.tracewellsystems.com/ <http://www.tracewellsystems.com/>
-----Original Message-----
From: Davis, Mike [SMTP:mike_da...@adc.com]
Sent: Thursday, January 25, 2001 11:09 AM
To: EMC-PSTC Regulatory E-Mail (E-mail)
Subject: Fuse Markings
I am in the process of updating markings for power ratings on a
product that
needs a marking for a FAST blow fuse. Is there a reference out there
that
shows the letter designations for the various blow open speeds? I
looked in
the IEC 417 and in UL1950 3rd edition to no avail. The search goes
on.
Michael S. Davis
Compliance Engineer
ADC BATG Compliance Engineering
Tel: 203 630-5788
Fax: 203 630-5762
mike_da...@adc.com
Learn about ADC - The Broadband Company at www.adc.com
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