Mitsubishi Electric FR-F740-00023 Installation Manuallines page 33

A.2 Instructions for UL and cUL
(Conforming standard UL 508C, CSA C22.2 No.14)
A.2.1 General Precaution
The bus capacitor discharge time is 10 minutes. Before starting wiring or inspection, switch power off, wait for more than
10 minutes, and check for residual voltage between terminal P/+ and N/ with a meter etc., to avoid a hazard of electrical
shock.
A.2.2 Environment
Before installation, check that the environment meets following specifications:
Ambient
temperature *
Ambient humidity
Storage
temperature
Atmosphere
Altitude
Vibration
* Temperature measured at a measurement position in an
enclosure.
A.2.3 Installation
The inverter FR-F740 EC is UL-listed as a product for use in an enclosure. Design an enclosure so that the inverter ambi-
ent temperature, humidity and atmosphere satisfy the specifications. (Refer to page 2)
Wiring protection
For installation in the United States, Class RK5, Class J, Class CC, Class L, Class T or any faster acting fuses or UL 489
Molded Case Circuit Breaker (MCCB) must be provided in accordance with the National Electrical Code and any applica-
ble provincial codes.
For installation in Canada, Class RK5, Class J, Class CC, Class L, Class T or any faster acting fuses or UL 489 Molded
Case Circuit Breaker (MCCB) must be provided in accordance with the Canada Electrical Code and any applicable provin-
cial codes.
FR-F740/746- -EC
Rated fuse voltage [V]
Without power
factor improving
Fuse maximum
reactor
allowable rating
With power
[A] *
factor improving
reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating [A] *
Class RK5 or Class T or Class L fuses or UL 489 Molded Case Circuit Breaker (MCCB) must be provided.
FR-F740- -EC
Rated fuse voltage [V]
Without power
factor improving
Fuse maximum
reactor
allowable rating
With power
[A] *
factor improving
reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating [A] *
* Maximum allowable rating by US National Electrical Code. Exact
size must be chosen for each installation.
− 10°C to +50°C (+40°C for FR-F746)
(non-freezing) for selected overload capability 150% (Pr. 570 = 0)
−
10°C to +40°C (+30°C for FR-F746)
(non-freezing) for selected overload capability 120% (Pr. 570 = 1)
90 % RH or less (non-condensing)
−20 °C to +65 °C
Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)
Maximum 1000 m above sea level
5.9 m/s² or less at 10 to 55 Hz (directions of X, Y, Z axes), (2.9m/s² or less for the 04320 or more)
00023 00038 00052 00083 00126 00170 00250 00310 00380 00470 00620 00770 00930 01160
6 10 15
6 10 10
15 15 15
01800 02160 02600 03250 03610 04320 04810 05470 06100 06830 07700 08660 09620 10940 12120
— — — —
300 350 400 500
450 500 600 800
480V or more
20 30 40 70 80
15 25 35 60 70
20 30 40 60 70
500 V or more
— — — —
600 700 800 900 1000 1100 1200 1350 1500 1800 2000
900 1000 1200 1200 1200 1600 1600 2000 2000 2500 3000
APPENDIX
Enclosure
x = Measurement position
5 cm
5 cm
90 110 150 175
90 100 125 150
90 100 150 175
— — — — —
5 cm
200 250
175 200
225 250
— —
27