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1-5 Applicable Standards
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OMNUC G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
Features and System Configuration
UL and cUL Standards 
The Servo Drives and Servomotors comply with UL 508C (file No. E179149) as long as the
following installation conditions 1 and 2 are met.
(1) Use the Servo Drive in a pollution degree 1 or 2 environment as defined in IEC 60664-1
(example: installation in an IP54 control panel).
(2) Be sure to connect a circuit breaker or fuse, which is a UL-listed product with LISTED and
 mark, between the power supply and noise filter.
Refer to the following table for the rated current of the circuit breaker or fuse.
Use copper wiring with a temperature rating of 75°C or higher.
Standard Product Applicable standards File number
UL 
standards
AC Servo Drives UL 508C E179149
AC Servomotors UL 1004-1 E331224
CSA 
standards
AC Servo Drives CSA 22.2 No. 14 E179149 
AC Servomotors CSA 22.2 No. 100 E331224
Servo Drive model number Rated current of circuit breaker (A)
R88D-KNA5L-ECT-R 10
R88D-KN01L-ECT-R 10
R88D-KN02L-ECT-R 10
R88D-KN04L-ECT-R 10
R88D-KN01H-ECT-R 10
R88D-KN02H-ECT-R 10
R88D-KN04H-ECT-R 10
R88D-KN08H-ECT-R 15
R88D-KN10H-ECT-R 15
R88D-KN15H-ECT-R 20
R88D-KN20H-ECT-R 30
R88D-KN30H-ECT-R 50
R88D-KN50H-ECT-R 50
R88D-KN06F-ECT-R 15
R88D-KN10F-ECT-R 15
R88D-KN15F-ECT-R 15
R88D-KN20F-ECT-R 20
R88D-KN30F-ECT-R 30
R88D-KN50F-ECT-R 30