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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-J2-10A to MR-J2-350A
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's short-circuit test with an AC circuit whose peak current is limited
to 5000A max., this servo amplifier complies with 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]
HC-MF
150 x 150 x 6
053 • 13
250 x 250 x 6
250 x 250 x 12
300 x 300 x 12
300 x 300 x 20
550 x 550 x 30
650 x 650 x 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-J2-10A(1)•20A(1)
MR-J2-40A(1)•60A
MR-J2-70A~350A
(6) Options and auxiliary equipment
Use products which conform to the UL/C-UL Standard.
: HC-KF
-UE
HC-MF
-UE
HC-SF
HC-RF
HC-UF
Servo Motor
-UE
HA-FF C-UE
HC-SF
053 • 13
23
23 • 33
43
43 • 63
52 to 152
53 to 153
73
121 to 301
202 • 352
203 • 353
Discharge Time [min]
1
2
3
HC-RF
HC-UF
81
103 to 203
72 • 152
301
– 9 –
13
23
43
73
202
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