Mitsubishi Electric FR-A700 Installation Manualline page 40

Appendix 2 Instructions for UL and cUL Compliance
(Conforming standard UL 508C, CSA C22.2 No.14)
(1) Installation
This inverter is a UL / cUL Listed open type device for use inside an enclosure or enclosed Type 1 device with a
suitably rated enclosure.
For open type, design an enclosure so that the inverter surrounding air temperature, humidity and atmosphere satisfy
the specifications. (Refer to page 2.)
The following UL / cUL Listed FR-A700 Series Inverters employ a UL Type 1 Enclosure - Suitable for Installation in a
Compartment Handling Conditioned Air (Plenum):
Models FR-A720-00030, -00050, -00080, -00110, -00175, -00240, -00330, followed by -N4 suffix.
Models FR-A720-00460, -00610, -00760, -00900(*1), followed by -NA suffix.
Models FR-A740-00015, -00025, -00040, -00060, -00090, -00120, -00170, followed by -N4 suffix.
Models FR-A740-00230, -00310, -00380, -00440, followed by -NA suffix.
Models FR-A760-00220, -00330, followed by -NA suffix.
(*1) - Denotes suitable for Normal Duty and Heavy Duty Current Ratings only.
Wiring protection
For installation in the United States, branch circuit protection must be provided in accordance with the National
Electrical Code and any applicable provincial codes.
For installation in Canada, branch circuit protection must be provided in accordance with the Canadian 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.
Note, the Class L fuses can be used if the applicable current rating is larger than 600A.
FR-A720- -NA/N4
Rated fuse voltage(V)
Fuse Without power factor
improving reactor
Maximum
allowable
With power factor
improving reactor
rating (A)
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
FR-A720- -NA
Rated fuse voltage(V)
Fuse Without power factor
improving reactor
Maximum
allowable With power factor
improving reactor
rating (A)
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
FR-A740- -NA/N4
Rated fuse voltage(V)
Fuse Without power factor
improving reactor
Maximum
allowable
With power factor
improving reactor
rating (A)
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
FR-A740- -NA
Rated fuse voltage(V)
Fuse Without power factor
improving reactor
Maximum
allowable
With power factor
improving reactor
rating (A)
Molded case circuit breaker (MCCB)
Maximum allowable rating (A)*
* Maximum allowable rating by US National Electrical Code at SLD rating.
Exact size must be chosen for each installation.
00030 00050 00080 00110 00175 00240 00330 00460 00610 00760 00900 01150 01450 01750 02150
15 20 30 40 60
15 20 20 30 50
15 15 25 40 60
02880 03460
240V or
more
⎯ ⎯
600 700
900 1000
00015 00025 00040 00060 00090 00120 00170 00230 00310 00380 00440 00570 00710 00860 01100
6 10 15 20 30
6 10 10 15 25
15 15 15 20 30
01440 01800 02160 02600 03250 03610 04320 04810 05470 06100 06830 07700 08660 09620
⎯ ⎯ ⎯ ⎯ ⎯
300 350 400 500 600
500 600 800 900 1000 1200 1200 1200 1600 1600 2000 2000 2500 3000
240V or more
80 150 175 200 225
70 125 150 200 200
80 110 150 175 225
480V or more
40 70 80 90 110
35 60 70 90 100
40 60 70 90 100
500V or more
⎯ ⎯ ⎯ ⎯ ⎯
700 800 900 1000 1100 1200 1350 1500 1800
300 350 400 500 500
250 300 350 400 500
300 350 450 500 700
150 175 200 250 300
125 150 175 200 250
150 175 225 250 450
⎯ ⎯ ⎯ ⎯
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