Yaskawa Large Capacity Sigma II Series - Manual (Page 322)

7 Servo Selection and Data Sheets
7.5.12 Surge Suppressor
7-46
7.5.12 Surge Suppressor
Attach a surge suppressor to the magnetic contactor to prevent power supply noise and pro-
tect contacts.
• Recommended Product
Spark Killer manufactured by Okaya electric
Industries Co., Ltd.
Model: CR50500BA (250 VAC)
Capacitance: 0.5
µF± 20%
Resistance: 50 Ω (1/2W) ± 30%
(Available from Yaskawa Controls Co., Ltd.)
7.5.13 Regenerative Resistor Unit
Regenerative resistors for processing regenerative energy are externally mounted on SER-
VOPACKs.
„ Specifications
The following Regenerative Resistor Units are required according to the SERVOPACK
model.
SERVOPACK
Model
SGDH-
2BDE 3ZDE 3GDE 4EDE 5EDE
Regenerative
Resistor Unit
JUSP- RA12 RA13 RA14 RA15 RA16
Resistance ( Ω) 9 6.7 5 4 3.8
Resistance
Capacity (W) 3600 3600 4800 6000 7200
Allowable Load
Moment of Inertia 5 times the load moment of inertia
Allowable Duty 2 % ED at maximum speed ad torque deceleration.