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3 Specifications
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
3-5 Specifications of External Regeneration Resistors
and External Regeneration Resistance Units
3
3-5-1 General Specifications
3-5 Specifications of External
Regeneration Resistors and External
Regeneration Resistance Units
This section describes the specifications of the External Regeneration Resistor and External Regener-
ation Resistance Unit.
Refer to 2-4-6 Dimensions of External Regeneration Resistors and External Regeneration Resistance
Units on page 2-119 for external dimensions.
3-5-1 General Specifications
Item
Model
R88A-RR120/-RR300 R88A-RR1K6/-RR550
Dielectric strength Between terminals and case: 2,000 VAC for 1 min (at 50/60 Hz)
Insulation resistance Between terminals and case: 20 MΩ min. (at 500 VDC)
Operating ambient tempera-
ture and humidity
0 to 55°C, 90% max.
(with no condensation)
0 to 55°C, 90% max.
(with no condensation)
Storage ambient temperature
and humidity
-25 to 85°C, 95% max.
(with no condensation)
-20 to 65°C, 90% max.
(with no condensation)
Operating and storage atmo-
sphere
No corrosive gases
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