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Appendix 3 Instructions For Ul And Cul - Mitsubishi Electric FR-A800 Instruction Manual

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Appendix 3
(Standard to comply with: UL 508C, CSA C22.2 No.14)
General precaution
CAUTION - Risk of Electric Shock -
The bus capacitor discharge time is 10 minutes. Before starting wiring or inspection, switch power off, wait for more than 10
minutes.
ATTENTION - Risque de choc électrique -
La durée de décharge du condensateur de bus est de 10 minutes. Avant de commencer le câblage ou l'inspection, mettez
l'appareil hors tension et attendez plus de 10 minutes.
Installation
The below types of inverter have been approved as products for a UL type12 enclosure that is suitable for Installation in a
Compartment Handling Conditioned Air (Plenum).
Install the inverter so that the ambient temperature, humidity and ambience of the inverter will satisfy the specifications. (Refer
to
page
18.)
The drive must be installed in clean air according to enclosure classification.
Cooling air must be clean, free from corrosive materials and electrically conductive dust regarding the UL Type 12 enclosure.
This enclosure provides protection from airborne dust and light sprays or splashing water from all directions.
 Wiring protection
For installation in the United States, Class T, Class J, or Class CC fuse, or UL 489 Molded Case Circuit Breaker (MCCB)
must be provided, in accordance with the National Electrical Code and any applicable local codes.
For installation in Canada, Class T, Class J, or Class CC fuse, or UL 489 Molded Case Circuit Breaker (MCCB) must be
provided, in accordance with the Canadian Electrical Code and any applicable local codes.
FR-A846-[]
Rated fuse voltage (V)
Fuse Maximum allowable rating (A)

Molded case circuit breaker (MCCB)
Maximum allowable rating (A)
FR-A846-[]
Rated fuse voltage (V)
Fuse Maximum allowable rating (A)

Molded case circuit breaker (MCCB)
Maximum allowable rating (A)

Maximum allowable rating by the US National Electrical Code. Exact size must be chosen for each installation.
Wiring to the power supply and the motor
For wiring the input (R/L1, S/L2, T/L3) and output (U, V, W) terminals of the inverter, use the UL listed copper, stranded wires
(rated at 75°C) and round crimping terminals. Crimp the crimping terminals with the crimping tool recommended by the
terminal maker.
Short circuit ratings
• 400 V class
Suitable For Use in A Circuit Capable of Delivering Not More Than 100 kA rms Symmetrical Amperes, 550 V or 600 V
Maximum.
132
APPENDIX
Instructions for UL and cUL
00023
00038
00052
(0.4K)
(0.75K)
(1.5K)
500 V or more
6
10
10
15
15
15

00620
00770
00930
(22K)
(30K)
500 V or more
125
150
175
150
175
225

00083
00126
(2.2K)
(3.7K)
15
25
20
30
01160
01800
(37K)
(45K)
(55K)
200
250
250
450
00170
00250
00310
(5.5K)
(7.5K)
(11K)
35
60
70
40
60
70
02160
02600
03250
(75K)
(90K)
(110K)
300
350
400
450
500
00380
00470
(15K)
(18.5K)
90
100
90
100
03610
(132K)
500

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