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CONFORMANCE WITH UL/C-UL STANDARD
(1) Servo amplifiers and servo motors used
Use the servo amplifiers and servo motors which comply with the standard model.
Servo amplifier series :MR-J2S-10CL to MR-J2S-700CL
MR-J2S-10CL1 to MR-J2S-40CL1
Servo motor series :HC-KFS
HC-MFS
HC-SFS
HC-RFS
HC-UFS
HA-LFS
HC-LFS
(2) Installation
Install a fan of 100CFM (2.8m
3
/min) air flow 4 [in] (10.16 [cm]) above the servo amplifier or provide
cooling of at least equivalent capability.
(3) Short circuit rating
This servo amplifier conforms to the circuit whose peak current is limited to 5000A or less. Having
been subjected to the short-circuit tests of the UL in the alternating-current circuit, the servo
amplifier conforms to the above circuit.
(4) 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 Discharge time [min]
MR-J2S-10CL(1) 20CL(1) 1
MR-J2S-40CL(1) 60CL 2
MR-J2S-70CL to 350CL 3
MR-J2S-500CL 700CL 5
(5) Options and auxiliary equipment
Use UL/C-UL standard-compliant products.
(6) Attachment of a servo motor
For the flange size of the machine side where the servo motor is installed, refer to “CONFORMANCE
WITH UL/C-UL STANDARD” in the Servo Motor Instruction Manual.
(7) About wiring protection
For installation in United States, branch circuit protection must be provided, in accordance with the
National Electrical Code and any applicable local codes.
For installation in Canada, branch circuit protection must be provided, in accordance with the Canada
Electrical Code and any applicable provincial codes.
<<About the manuals>>
This Instruction Manual and the MELSERVO Servo Motor Instruction Manual are required if you use
the MR-J2S-CL for the first time. Always purchase them and use the MR-J2S-CL safely.
Relevant manuals
Manual name Manual No.
MELSERVO Servo Motor Instruction Manual SH(NA)3181
EMC Installation Guidelines IB(NA)67310