Power Round Wire Wound Resistors - DR Series Features
  • Fixed, adjustable, or tapped styles are available.
  • Special terminals available for unusual applications.
  • Special temperature coefficients, tolerances, and non-inductive windings can be specified.
  • Standard lug terminals available with or without terminal hardware.
  • Single and double quick connect terminals can be specified.
  • Adjustable resistors are ±5%, ±10% tolerance.
Applications:
  • dynamic braking, motor starting, speed/torque control, and plugging.
  • Overhead Cranes, Battery Chargers, UPS Systems, Arc and Spot Welders
  • Elevators, Machine Tools, Conveyors, Industrial Controls.
DRS-A Adjustable Series 20W ~ 1300W
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dr1_2.jpg

dr1_3.jpg
Wattage
Rating		 Dimensions (mm) Max. Resistance
Value(Ω)
A B C D E F G H I J K L M N O
20W 60 17 8 22 5 78 2 12 4 90 36 1.0 - 6 16 1~1KΩ
30W 80 17 8 22 5 100 2 12 4 112 36 1.0 - 6 16 1~1.5KΩ
40W 110 17 8 22 5 128 2 12 4 140 36 1.0 - 6 16 1~2KΩ
50W 110 25 16 30 8 150 5 18 6 166 58 1.2 6 - 27 0.1~5KΩ
60W 90 28 18 32 8 130 5 19 6 146 60 1.2 6 - 27 0.1~6KΩ
80W 110 28 18 32 8 150 5 19 6 166 60 1.2 6 - 27 0.1~8KΩ
100W 140 28 18 32 8 180 5 19 6 196 60 1.2 6 - 27 0.1~10KΩ
120W 160 28 18 32 8 200 5 19 6 216 60 1.2 6 - 27 0.1~12KΩ
150W 195 28 18 32 8 235 5 19 6 251 60 1.2 6 - 27 0.3~15KΩ
160W 185 35 24 36 10 225 5 19 8 245 76 1.6 6 - 34 0.3~16KΩ
200W 210 35 24 36 10 250 5 19 8 274 76 1.6 6 - 34 0.3~20KΩ
250W 210 40 25 38 12 250 5 20 8 274 78 1.6 6 - 34 0.5~25KΩ
300W 260 40 25 38 12 300 5 20 8 320 78 1.6 6 - 34 0.5~30KΩ
400W 330 40 25 38 12 370 5 20 8 395 78 1.6 6 - 34 0.5~40KΩ
500W 330 50 35 50 12 380 6 25 9 400 100 1.6 8 - 40 0.5~50KΩ
600W 400 50 35 50 12 450 6 25 9 470 100 1.6 8 - 40 0.8~60KΩ
700W 460 50 35 50 12 510 6 25 9 530 100 1.6 8 - 40 0.8~70KΩ
800W 460 60 40 55 15 515 6 30 10 535 110 1.6 10 - 50 0.8~80KΩ
1000W 540 60 40 55 15 595 6 30 10 615 110 1.6 10 - 50 1~100KΩ
1300W 650 65 42 62 15 702 6 30 10 722 115 1.6 10 - 50 1~130KΩ

DRS-B Adjustable Series 15W ~ 20000W
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Wattage
Rating		 Dimensions (mm) Max. Resistance
Value(Ω)
R L1 L2 L3 H N d M q Q
15W 15 45 65 85 40 6 3.5 3.5 4.5 15 1~1KΩ
20W 15 50 70 90 40 6 3.5 3.5 4.5 15 1~1KΩ
25W 20 50 80 100 50 6 3.5 5 5 20 2~1KΩ
30W 20 70 100 120 50 6 3.5 5 5 20 2~1KΩ
40W 20 87 115 137 50 6 3.5 5 5 20 2~1KΩ
50W 28 90 115 143 68 9 4.5 5.5 6 27 5~1KΩ
80W 28 90 115 143 68 9 4.5 5.5 6 27 5~2KΩ
100W 28 170 195 223 68 9 4.5 5.5 6 27 10~3KΩ
150W 28 215 240 268 68 9 4.5 5.5 6 27 10~3KΩ
200W 28 267 292 320 68 9 4.5 5.5 6 27 10~5KΩ
250W 28 267 292 320 68 9 4.5 5.5 6 27 10~5KΩ
300W 40 267 300 343 90 10 4.5 6 6 39 20~5KΩ
400W 40 330 365 406 90 10 4.5 6 6 39 20~5KΩ
500W 50 330 365 415 98 10 6 8.5 8 49 20~5KΩ
600W 50 330 365 415 98 10 6 8.5 8 49 20~5KΩ
700W 50 400 435 485 95 10 6 8.5 8 49 20~5KΩ
800W 70 300 320 362 138 15 8 - 8 69 40~500Ω
1000W 70 300 320 362 138 15 8 - 8 69 40~500Ω
1500W 70 415 435 477 138 15 8 - 8 69 40~500Ω
2000W 70 510 530 572 138 15 8 - 8 69 40~500Ω
2500W 70 600 620 662 138 15 8 - 8 69 40~500Ω
3000W 70 600 620 662 138 15 8 - 8 69 40~500Ω
4000W 100 430 450 521 185 15 8 - 8 99 40~500Ω
5000W 100 500 620 691 185 15 8 - 8 99 40~500Ω
6000W 100 600 720 791 185 15 8 - 8 99 40~500Ω
10000W 150 600 625 720 350 30 8 - 10 150 40~500Ω
12000W 150 660 685 780 350 30 8 - 10 150 40~500Ω
15000W 150 660 685 780 350 30 8 - 10 150 40~500Ω
20000W 150 1000 1030 1120 350 30 8 - 10 150 40~500Ω

Adjustable Wirewound DRS Series - Specifications
Test Item Test Methods Characterstics
Load life JIS-C-5202 7-10
90 minutes ON - 30 minutes OFF500 hours		 Free of appearance or structural irregularity Surface coating crack ΔR/R≤ ±(1%+0.05Ω)
Load rating JIS-C-5202 5-4 ΔR/R≤±(0.5%+0.1Ω) Surface temperature up 350°C MAX
Humidity JIS-C-5202 7-5
40°C 90%RH 240 hours 		Free of appearance or structural irregularity Surface coating crack ΔR/R≤ ±(3%+0.1Ω)
Vibration JIS-C-5202 6-3
1.5m/m 10 ~ 50 ~ 10 Hz/min X-Y-Z 2 hours each 		Free of appearance or structural irregularity Surface coating crack ΔR/R≤ ±(1%+0.05Ω)
Thermal shock JIS-C-5202 7-3
Room temp 30 minutes ON-55°C 15 minutes OFF		 Free of structural irregularity ΔR/R≤ ±(2%+0.1Ω)
Terminal strength JIS-C-5202 6-1 8kg 30 seconds Free of appearance or structural irregularity
Flame retardation JIS-C-5202 7-13-3-2
100% - 600% rated wattage load		 US UL-94 flame retardation test V-0 grade noncombustible
Resistance tolerance JIS-C-5202 5-1 Resistance Nominal Tolerance
1≤R 1>R ±5%(J) ±10%(K)
Short-term overload JIS-C-5202 5-5
1000% rated wattage 5 seconds 		Free of appearance or structural irregularity
ΔR/R≤ ±(2%+0.1Ω)
Insulation resistance JIS-C-5202 5-6 500VDC 100MΩ min
Temperature coefficient JIS-C-5202 5-2 ±200PPM/°C MAX
Dielectric withstanding voltage JIS-C-5202 5-7
1000VDC 1 minute Between terminal and anchor stand		 Free of appearance or structural irregularity
ΔR/R≤ ±(0.1%+0.05Ω)
REMARKS: 1. Resistance and resistance tolerance were tested in-house with micro resistance meter.
2. Coating refers to UL-certified data provided by supplier.

How to Order
DRSA 600W 100R J G
Part Number
DRSA
DRSB
Rated Wattage
(W)
20W~1300W
15W~20000W
Resistance Value
(Ω)
0R1 0.1Ω
1R 1Ω
10R 10Ω
100R 100Ω
1K 1KΩ
10K 10KΩ
100K 100KΩ
Resistance Tolerance
(%)
J ±5%
K ±10%
Assembly Method
N No mount.
C Clip mount.
G Horizontal mount.
Z Vertical mount.
Remark:

Max. Resistance Value:
Max. resistance value is given to calculate the minimum resistance value because resistance value is proportional to the length of resistive wire wound along the ceramic rod.

Rated Wattage: Power rating at Max. Resistance Value.

Resistance Tolerance: Precision range of Max. Resistance Value..

1. Power Rating of adjustable resistor is determined by the maximum resistance value.
2. Resistance and Power Rating should be decreased while you are moving the adjustable lug.
3. Adjustability is 10% to 90% of full value. Wattage is proportional to this adjusted resistance value.


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