Resistor > High Power Wire Wound Resistors DDR DNR DSR DDVR

High Power Wire Wound Resistors DDR DNR DSR DDVR

This heavy-duty Low Cost High Power Wire Wound Resistor series is for general purpose applications with load power up to 20kW.

High Power Wire Wound Resistor Applications:
General Power applications – Power Equipment Testing, High Power Circuits, Heating Resistor, Braking Resistor, Snubber Resistor in High Power Snubber Circuits.
DDR-F : High Power Wire Wound Resistors with power from 15W – 20,000W ( 20kW )
DNR-F : Low Inductance type
DSR-F : Resistance adjustable with a movable ring terminal type
DDVR-F : Vitreous Enamel coating type, with power up to 1kW

Precision Resistance Tolerance +/-0.1% +/-0.5% +/-1% +/-5% +/-10%
Good for both High Power Continuous Loading and Short Time Overload application
It can customize as High Current Resistors to handle very High Loading Current, up to hundreds Amperes, for even higher current requirement
It can be as Load Resistors for Load Bank
Resistance value can be according to customer’s application need
Support multi-resistances Resistor ( Multi Tab Terminals )
Support very small ( milli ohm ) and high resistance range
For very small resistance application, please tell your maximum Current and loading time.
For High Resistance value, please tell your maximum Voltage
For High Power Resistor application note, please refer to the Application page.
Detail Resistor Powers and Sizes are in our Catalogue above.
Prompt Delivery, within 4 – 9 days and accept PayPal.

Adjustable Power Resistors
DSR-F
: up to 20kW. Low cost and 7-15 days delivery lead time.
DSR-W
: up to 20kW. Resistance is adjusted by hand wheel. 1-3 weeks delivery lead time.
DSR-WB
: Adjustable Load Box with Hand Wheel with Voltmeter, Ammeter, Watt meter, Thermal Protection, Over Current Protection, Main Power Switch and Cooling System. Rated Power can up to 50kW.
DSR3-WB
: Adjustable Load Box with three Hand Wheels with Voltmeters, Ammeters, Watt meters, Ohm meters Thermal Protection, Over Current Protection, Main Power Switch and Cooling System. Rated Power can up to 50kW.
DSR-H
: Power up to 5kW. Resistance is adjusted by a hand holder. 1-3 weeks delivery lead time.
Please refer to the Power Rheostat page.

There are more Application tips, limitation and parameters determination note on the application page – section D.

We support High Power Wire Wound Resistors with wide variety of specifications for different applications. Different applications can have a very different resistor electrical and mechanical profile requirement.
Accept small, bulk quantity orders and PayPal.
O
ur average production lead time is about 1 – 3 weeks, depending on order quantity, material and production status.
Please contact us for a suggestion.

DDR-F / DSR-F – Power Wire Wound Resistors
DNR–F – Low Inductance Power Wire Wound Resistors

Power Wire Wound Resistor DDR-F DSR-F drawing

Dimension  mm R A B C H p E G f
Tol +/-mm 1 5 5 1 3 3 1 1 1
15W 15 45 66 15 40 13 6 3.5 4.5
20W 15 50 71 15 40 13 6 3.5 4.5
25W 20 50 80 20 50 15 6 3.5 5
30W 20 70 100 20 50 15 6 3.5 5
40W 20 87 115 20 50 15 6 3.5 5
50W 28 90 122 28 68 20 9 4.5 6
80W 28 90 122 28 68 20 9 4.5 6
100W 28 170 202 28 68 20 9 4.5 6
150W 28 215 247 28 68 20 9 4.5 6
200W 28 267 299 28 68 20 9 4.5 6
250W 28 267 299 28 68 20 9 4.5 6
300W 40 267 305 40 90 20 10 4.5 6
400W 40 330 367 40 90 20 10 4.5 6
500W 50 330 370 50 98 20 10 6 8
600W 50 / 60 330 370 50 98 20 10 6 8
700W 50 400 440 50 98 20 10 6 8
800W 70 300 331 70 135 30 15 8 8
1kW 70 300 331 70 135 30 15 8 8
1500W 70 415 446 70 135 30 15 8 8
2kW 70 510 541 70 135 30 15 8 8
2500W 70 600 631 70 135 30 15 8 8
3kW 70 600 631 70 135 30 15 8 8
4kW 100 430 468 100 185 35 15 8 8
5kW 100 500 538 100 185 35 15 8 8
6kW 100 600 638 100 185 35 15 8 8
10kW 150 600 640 152 260 43 30 8 10
12kW 150 660 700 152 260 43 30 8 10
15kW 150 660 / 750 700 / 850 152 260 43 30 8 10
20kW 150 1000 1040 152 260 43 30 8 10

Resistor sizes might be vary depend on resistance and load current.