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5. Pilot Duty
One of the specifications in the "UL508
Industrial Control Equipment" regulations at
UL (Underwriters Laboratories Inc.), has to
do with the grade of contact control capacity
by NEMA (National Electrical Manufacturers
Association) standards. By obtaining both UL
and CSA approval for this grade, the product
becomes authorized publicly.
Pilot Duty A300
AC applied
Electrification
Input
voltage
current
power
[V]
[A]
[A]
120
60
10
240
30
Pilot Duty B300
AC applied
Electrification
Input
voltage
current
power
[V]
[A]
[A]
120
30
5
240
15
Pilot Duty C300
AC applied
Electrification
Input
voltage
current
power
[V]
[A]
[A]
120
15
2.5
240
7.5
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net
[VA]
Breaker
power
During
During
[A]
input
breaker
6
7,200
720
3
7,200
720
[VA]
Breaker
power
During
During
[A]
input
breaker
3
3,600
360
1.5
3,600
360
[VA]
Breaker
power
During
During
[A]
input
breaker
1.5
1,800
180
0.7
1,800
180
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