YASKAWA SGD7W Series, Selection Manual

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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 k
Ω
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,
Δ
R:
±
(0.1% + 0.05
Ω
)
Insulation Resistance 500 VDC, 20 M
Ω
min.
Short-Duration Overload
10 times the rated power applied for 5 s:
Δ
R:
±
(2% + 0.05
Ω
)
Service Life
1,000 hours at ratings, 90 min ON, 30 min OFF:
Δ
R:
±
(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 Specification