HIGH POWER WIRE WOUND RESISTOR
HQ Series: Non-Flammable, Low Resistance
ELECTRICAL SPECIFICATION
Characteristics
Resistance and Tolerance
Temperature coefficient
Power rating load
Short-time overload
Insulation resistance
Dielectric withstanding voltage
ELECTRICAL CURVES
Power Derating Curve
Temperature Rise
350
120
Limits
Resistance nominal
1 >R
Resistance Tolerance
±10% (K)
±400ppm/°C max.
R/R<±1%
(Temperature) 375°C max
300% rated power 5 seconds
R/R<±2%
500Vdc 100M
min
3000Vac 1 minute
(°C) Temperatures Rise
(%) Derating Curve
100
80
60
40
20
0
-50
0
50
100
150
200
300
250
200
150
100
50
0
0
20
40
60
80
100
(°C) Ambient Temperature
(%) Percent Rated Load
SHORT-TIME OVERLOAD RATING
(Second) Load Time
(%) Max. Amps Rated load
5
10
30
60
180 300 600 900 1800
105 100
400 350 250 200 140 120 110
NEMA STANDARD / ON-OFF CYCLING
Cycling time
(%)
Max. Amps Rated load
5 sec ON
75 sec OFF
10 sec ON
70 sec OFF
15 sec ON
75 sec OFF
15 sec ON
45 sec OFF
15 sec ON
30 sec OFF
15 sec ON
15 sec OFF
290
215
185
160
150
125
RFE International
• Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com
C2E02
REV 2007.12.13
RFE [ RFE INTERNATIONAL ]
