Certificate

File E67774 Vol. 1 Sec. 79 Page 1 Issued: 2007-02-18
and Report
DESCRIPTION
PRODUCT COVERED:
USR, CNR Component - Special-Use Switches: Rock Switches
USR - Indicates Investigated To United States National Standard UL1054
(6th edition)– Recognized.
CNR - Indicates Investigated To Canadian National Standard C22.2 No. 55-
M1986 (3
rd
edition) - Certified as component.
Model Amp Volt Hz Load
Temp
C
Pol/
Thr
PP/
Circuit
Endur SPCOA
10/20 277/125 Gen
R13-437, f/b A, C, D,
G, H, I, N or R;
f/b letter, number or
blank,
f/b 1, 2, 3, 4 or 5;
f/b -01, -05, -06,
-07, -08;
f/b B or C .
3/4
hp
125/250
60
hp
65
1/1
or
1/2
A 6K
--
EXPLANATION OF PRODUCT COVERED TABLE:
Abbreviations Explanation of use
f/b Followed by
ww/o With or without
Load Res – Resistive (PF=1.0 – 0.98)
Gen – General use (PF= 0.75 –0.8)
hp – Horse Power (LRA, FLA)
T – Lamp load (AC or DC)
L – Lamp load (AC only)
TV – Televisions Rated
POL/THR No. Of Poles/No. Of Throws.
"M" Multi-Throw. For Multi-Pole or Multi-Throw, e.g. 2/M
indicates 2 Pole,
Circuit The test and suitable use circuit are indicated in this
column in code form. The corresponding circuits are given
in the Section General or LIS guide page.
PP "PP" stands for Per Pole. PP in this column indicates that
each pole is capable of switching the rated current.
ENDUR Endurance rating.
SPCOA Special conditions of Acceptability; the applicable special
COAS are indicated in this column in number form. The
corresponding COAS are given in the Section General or LIS
guide page.
NOMENCLATURE DESCRIPTION: See ILL.1 for nomenclature details.