Sigma-II Series SGM*H/SGDH USER'S MANUAL - Esco Drives ...

5 Specifications and Dimensional Drawings of Cables and Peripheral Devices5.8.6 External Regenerative ResistorThe external regenerative resistor must be purchased by customers. Refer to the table below for selecting anexternal regenerative resistor. Refer to 6.5 Connecting Regenerative Resistors for the connection.(1) References for External Regenerative ResistorRegenerativeResistor ModelRH120RH150RH220RH300CRH500Specifications70 W, 1 to 100 Ω90 W, 1 to 100 Ω120 W, 1 to 100 Ω200 W, 1 to 10 kΩ300 W, 1 to 30 ΩManufacturerIwaki WirelessResearch Institute.(2) Model DesignationRH120 N 10Ω JModelN: Noninductive windingResistanceResistance ToleranceCodeKJHSpecifications±10%±5%±3%(3) SpecificationsResistance Tolerance K: ± 10%, J: ± 5%, H: ± 3%Temperature ResistanceCharacteristics± 400 PPM / °C (less than 20Ω) , ± 260 PPM / °C (20Ω or more)Withstand Voltage 2000 VAC/min. ∆R: ± (0.1% + 0.05Ω)Insulation Resistance 500 VDC, 20 MΩ or moreShort-time Overload When 10 times of rated power is applied for five seconds, ∆R: ±(2% + 0.05Ω)LifeHeat ResistanceOperating Temperature1000 hours of repeating the operation ON for 90 minutes and OFF for 30 minutes,∆R: ±(5% + 0.05Ω)Not ignite after having applied 10 times of rated electric power for one minute-25 to 150°C (-13 to 302 °F)5-70