YASKAWA SGD7W - Page 303

12.8 Regenerative Resistor
12.8.5 Specifications and Dimensions of External Regenerative Resistors
12-34
12.8.5 Specifications and Dimensions of External Regenerative
Resistors
Selection Table
* An External Regenerative Resistor with resistance tolerance H (±3%) is not available for the RH450FY.
Specification
Model Specification Mass Wire Size Manufacturer Inquiries
RH120 70 W, 1 Ω to 100 Ω 282 g
AWG16 (1.25 mm
2
)
Iwaki Musen
Kenkyusho
Co., Ltd.
Yaskawa
Controls
Co., Ltd.
RH150 90 W, 1 Ω to 100 Ω 412 g
AWG14 (2.0 mm
2
)
RH220 120 W, 1 Ω to 100 Ω 500 g
AWG16 (1.25 mm
2
)
RH220B 120 W, 1 Ω to 100 Ω 495 g
AWG14 (2.0 mm
2
)
RH300C 200 W, 1 Ω to 10 kΩ 850 g
AWG14 (2.0 mm
2
)
RH450 150 W, 1 Ω to 100 Ω 880 g
AWG14 (2.0 mm
2
)
RH450FY 150 W, 2 Ω to 100 Ω 1.3 kg
AWG14 (2.0 mm
2
)
RH500 300 W, 2 Ω to 50 Ω 1.4 kg
AWG14 (2.0 mm
2
)
Item Specification
Resistance Tolerance K: ±10%, J: ±5%, H: ±3%
Temperature Resistance Characteristics At less than 20 Ω: ±400 PPM/°C, At 20 Ω or higher: ±260 PPM/°C
Withstand Voltage 2,000 VAC/1 min, ΔR: ±(0.1% + 0.05 Ω)
Insulation Resistance 500 VDC, 20 MΩ min.
Short-Duration Overload
10 times the rated power applied for 5 s:
ΔR: ±(2% + 0.05 Ω)
Service Life
1,000 hours at ratings, 90 min ON, 30 min OFF:
ΔR: ±(5% + 0.05 Ω)
Flame Resistance
There must be no ignition when 10 times the rated power is
applied for 1 min.
Surrounding Air Temperature Range -25°C to 150°C
RH120
10

K
J
H*
±10%
±5%
±3%
J
Model
Resistance Resistance Tolerance
Code
Specication