Compliance With The Ul And Csa Standards - Mitsubishi Electric FR-A700 Technical Manual

3.9 Compliance with standards
The standard models of inverters comply with the UL Standard, cUL Standard and EN Standard.
3.9.1

Compliance with the UL and CSA standards

(conforming standard UL 508C, LSA C22.2 No.14)
About the UL and cUL compliance
The UL (Underwriters Laboratories Inc.) Standard is a
safety standard in the U.S.A. UL is a non-profit testing
institution established by the U.S. Fire Underwriters'
Association and conducts approval tests on industrial
products. UL has strictly prescribed the safety standard in
an extremely wide range, assuming every possible
situation during use of products. The UL mark has
extremely high authority and reliability and is mandated by
the state laws and city ordinances in many U.S. states.
Canada has a similar standard, the CSA Standard. The
standard equivalent to Canada's CSA Standard has been
[Example]
A700
(1) Installation
This inverter is UL-listed as a product for use in an
enclosure. Design an enclosure so that the inverter
surrounding air
atmosphere satisfy the specifications.
Wiring protection
For installation in the United States, branch circuit
protection must be provided in accordance with the
National Electrical
provincial codes.
FR-A720-
Rated fuse voltage(V)
Without power factor
Fuse maximum
improving reactor
allowable
With power factor
rating (A)*
improving reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
FR-A720-
Rated fuse voltage(V)
Without power factor
Fuse maximum
improving reactor
allowable
With power factor
rating (A)*
improving reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
FR-A740-
Rated fuse voltage(V)
Without power factor
Fuse maximum
improving reactor
allowable
With power factor
rating (A)*
improving reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
common
temperature, humidity
Code and any applicable
K 0.4 0.75 1.5
15 20
15 20
15 15
K 75
240V or more
—
600 700
700 800
K 0.4 0.75 1.5
6 10
6 10
15 15
stipulated by the U.S.A. as the cUL Standard, and products
approved by this Standard are regarded as approved by
the CSA Standard.
Refer to the instruction manual for information on UL and
cUL.
For installation in Canada, branch circuit protection
must be provided in accordance with the Canada
and Electrical Code and any applicable provincial codes.
Provide the appropriate UL and cUL listed Class
RK5, Class T or Class L type fuse or UL489 molded
case circuit breaker (MCCB) that is suitable for
branch circuit protection in accordance with the table
below.
2.2 3.7 5.5 7.5
240V or more
30 40 60 80 150
20 30 50 70 125
20 25 40 60 80
90
—
2.2 3.7 5.5 7.5
480V or more
15 20 30 40 70
10 15 25 35 60
15 15 20 30 40
552
SELECTION
cULus mark
11 15 18.5 22 30
175 200 225 300 350
150 200 200 250 300
110 150 175 225 250
11 15 18.5 22 30
80 90 110 150 175
70 90 100 125 150
50 70 90 100 125
37 45 55
400 500 500
350 400 500
350 400 500
37 45 55
200 250 300
175 200 250
150 200 250