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Wiring protection
For installation Class T, Class J, Class CC, or Class L fuse, or UL 489 Molded Case Circuit Breaker (MCCB) according to the local direc-
tives must be provided.
For the FR-A820 series, Class T, Class J, or Class CC fuse, or UL 489 Molded Case Circuit Breaker (MCCB) must be provided.
FR-A820-m-R2R
Rated fuse voltage [V]
Without power factor
Fuse maximum
improving reactor
allowable rating
With power factor
[A]
improving reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating [A]
FR-A820-m-R2R
Rated fuse voltage [V]
Without power factor
Fuse maximum
improving reactor
allowable rating
With power factor
[A]
improving reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating [A]
FR-A840-m-R2R
Rated fuse voltage [V]
Without power factor
Fuse maximum
improving reactor
allowable rating
With power factor
[A]
improving reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating [A]
FR-A840-m-R2R
Rated fuse voltage [V]
Without power factor
Fuse maximum
improving reactor
allowable rating
With power factor
[A]
improving reactor
Molded case circuit breaker (MCCB)
Maximum allowable rating [A]
*1
Maximum allowable rating by US National Electrical Code. Exact size must be chosen for each installation.
*2
Select an appropriate molded case circuit breaker with a rating that is suitable for the size of the cable.
For wiring protection of the converter unit (FR-CC2) refer to "FR-A802-R2R Instruction Manual (Hardware)".
A.1.3 Short circuit ratings
O 200 V class
Suitable for use in a circuit capable of delivering not more than 100 kA rms symmetrical amperes, 240 V maximum.
O 400 V class
Suitable for use in a circuit capable of delivering not more than 100 kA rms symmetrical amperes, 500 V maximum.
A.1.4 Machinery directive
The frequency inverter itself is not a machine in the spirit of the EU machinery directive. The start up of the frequency inverter in a
machine is prohibited so long until it has been confirmed that the entire machine complies with the provisions of Directive 98/37/
EC (from 29.12.2009 Machinery Directive 2006/42/EC).
00046
00077
00105
(0.4K)
(0.75K)
(1.5K)
240 V or more
15
20
15
20
15
15
*1 *2
01870
02330
03160
(37K)
(45K)
(55K)
240 V or more
400
500
500
350
400
500
450
500
700
*1 *2
00023
00038
00052
(0.4K)
(0.75K)
(1.5K)
500 V or more
6
10
6
10
15
15
*1 *2
00930
01160
01800
(37K)
(45K)
(55K)
500 V or more
200
250
300
175
200
250
225
250
450
*1 *2
00167
00250
00340
(2.2K)
(3.7K)
(5.5K)
30
40
60
80
20
30
50
70
25
40
60
80
03800
04750
(75K)
(90K)
—
—
600
700
900
1000
00083
00126
00170
(2.2K)
(3.7K)
(5.5K)
15
20
30
40
10
15
25
35
15
20
30
40
02160
02600
03250
(75K)
(90K)
(110K)
—
—
—
300
350
400
450
500
—
00490
00630
00770
00930
(7.5K)
(11K)
(15K)
(18.5K)
150
175
200
225
125
150
200
200
110
150
190
225
00250
00310
00380
00470
(7.5K)
(11K)
(15K)
(18.5K)
70
80
90
110
60
70
90
100
60
70
90
100
03610
04320
04810
05470
(132K)
(160K)
(185K)
(220K)
—
—
—
—
500
600
700
800
—
—
—
—
APPENDIX
01250
01540
(22K)
(30K)
300
350
250
300
300
350
00620
00770
(22K)
(30K)
150
175
125
150
150
175
06100
06830
(250K)
(280K)
—
—
900
1000
—
—
57
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