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.

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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 Note and Tips for application limitation and parameters determination at 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.

Our 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 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