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CONFORMANCE WITH UL/C-UL STANDARD
(1) Servo amplifiers and servo motors used
Use the following models of servo amplifiers and servo motors:
Servo amplifier series: MR-J2-10B to MR-J2-350B
Servo motor series
(2) Installation
Install a fan of 100CFM air flow 10.16 cm (4 in) above the servo amplifier or provide cooling of at least
equivalent capability.
(3) Short circuit rating
Having been subjected to UL tests in the alternating-current circuit whose peak current is limited to
5000A or less, this servo amplifier conforms to this circuit.
(4) Flange
Mount the servo motor on a flange which has the following size or produces an equivalent or higher
heat dissipation effect:
Flange Size
[mm]
150 150 6
250 250 6
250 250 12
300 300 12
300 300 20
500 550 30
650 650 35
(5) Capacitor discharge time
The capacitor discharge time is as listed below. To ensure safety, do not touch the charging section for
10 minutes after power-off.
Servo Amplifier
MR-J2-10B 20B
MR-J2-40B 60B
MR-J2-70B to 350B
(6) Options and auxiliary equipment
Use products which conform to the UL/C-UL Standard.
: HC-FF
C-UE
HC-MF
-UE
HC-SF
HC-RF
HC-UF
HC-MF
-UE
HA-FF
053 13
053 13
23
23 33
43
43 63
73
Discharge Time [min]
1
2
3
Servo Motor
C-UE
HC-SF
81
52 to 152
53 to 153
121 201
202 352
203 353
301
10
HC-RF
HC-UF
13
23
103 to 203
43
73
72 152
202
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