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Instructions For Compliance With The Ul And Csa Standards - Mitsubishi Electric FR-A520-0.4K -55K Instruction Manual

Transistorized inverter, high function & low acoustic noise.
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2.3.7 Instructions for compliance with the UL and CSA standards

(Since we obtained the approval of the UL and CSA Standards from the UL, the products conforming to the
Standards carry the UL and cUL marks.)
( 1 ) Installation
The above types have been approved as products for use in enclosure and approval tests were conducted
under the following conditions. In enclosure design, refer to these conditions so that the ambient temperature
of the inverter becomes 50°C or less.
Inverter Type
Control Box Size (Unit: mm (inches))
FR-A520-0.75K
Control box having
the size of the
inverter size plus
FR-A520-11K
100mm (3.94) in W,
100mm (3.94) in H
and 50mm in D
FR-A520-22K
FR-A520-55K
Inverter size plus
100mm (3.94) in W,
FR-A540-5.5K
100mm (3.94) in H
and 50mm (1.97) in
D
FR-A540-22K
FR-A540-55K
( 2 ) Wiring of the power supply and motor
Use the UL-approved power supply and round crimping terminals to wire the input (R, S, T) 〈L
(U, V, W) terminals of the inverter. Crimp the terminals with the crimping tool recommended by the terminal
manufacturer.
( 3 ) Fuse
On the input side, use any of the UL Class K5 fuses having the ratings as listed below:
Applicable Inverter Type
FR-A520-0.4K
FR-A520-0.75K
FR-A520-1.5K
FR-A520-2.2K
FR-A520-3.7K
FR-A520-5.5K
FR-A520-7.5K
FR-A520-11K
FR-A520-15K
FR-A520-18.5K
FR-A520-22K
FR-A520-30K
FR-A520-37K
FR-A520-45K
FR-A520-55K
( 4 ) Short-circuit rating
Having been put to the short-circuit test of the UL in the AC circuit whose peak current is limited to ∗ A max.,
this inverter conforms to this circuit.
Inverter Type
1.5kW to 37kW (2HP to 50HP)
45kW, 55kW (60, 75HP)
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Vent Hole Area
W D
W
H
D
160 × 60
210 × 360 × 175
(6.29 × 2.36)
(8.27 × 14.17 × 6.89)
(top and bottom)
W D
W
H
D
130 × 70
320 × 400 × 240
(5.12 × 2.76)
(12.60 × 15.75 × 9.45)
(bottom)
W D
W
H
D
330 × 70
350 × 600 × 240
(12.99 × 2.76)
(13.78 × 23.62 × 9.45)
(bottom)
W
D
123 × 492 (bottom)
(4.84 × 19.37)
W
H
D
580 × 815 × 300
123 × 126 (bottom × 2)
(22.83 × 32.09 × 11.81)
(4.84 × 4.96)
123 ×
(bottom × 2)
300
(4.84 × 1.18)
W
D
100 × 210 (top)
W
H
D
310 × 460 × 220
(3.94 × 8.27)
(12.20 × 18.11 × 8.66)
160 ×
480
(2.36 × 1.89)
W
H
D
W
D
350 × 600 × 240
330 × 70 (bottom)
(13.78 × 23.62 × 9.45)
(12.99 × 2.76)
W D
123 × 126
W
H
D
550 × 665 × 300
(4.84 × 4.96)
(21.65 × 26.18 × 11.81)
(lower section has 2
ventilation ports)
Rating (A)
Applicable Inverter Type
7.5 to 10
FR-A540-0.4K
15 to 20
FR-A540-0.75K
25 to 30
FR-A540-1.5K
30 to 40
FR-A540-2.2K
45 to 60
FR-A540-3.7K
75 to 90
FR-A540-5.5K
90 to 125
FR-A540-7.5K
115 to 175
FR-A540-11K
190 to 225
FR-A540-15K
225 to 300
FR-A540-18.5K
265 to 350
FR-A540-22K
340 to 450
FR-A540-30K
375 to 500
FR-A540-37K
450 to 600
FR-A540-45K
600
FR-A540-55K
*
5,000
10,000
41
INSTALLATION AND WIRING
Cooling Fan
Not required
Install a cooling fan at top of the
enclosure to suck internal air to the
outside.
3
(Fan air flow: 1.72m
/min. or more)
Install a cooling fan at top of the
enclosure to suck internal air to the
outside.
3
(Fan air flow: 3.44m
/min. or more)
Install cooling fans at top of the enclosure
to suck internal air to the outside.
(Fan air flow: 2 × 3.24m
3
/min. or more)
Not required.
(bottom)
Install cooling fans at top of the enclosure
to suck internal air to the outside.
(Fan air flow: 2 × 1.72m
3
/min. or more)
Install at the upper section of the panel
so that the air in the panel is blown out of
the panel.
(Fan capacity: 2 × 3.24m
3
/min. or more)
, L
, L
1
2
Rating (A)
5
8
10
20
35
45
60
90
110
125
150
225
250
300
350
〉 and output
3

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