Silicone Coated Power Wire Wound Resistors -

DDR, DNR and DSR series (support Vitreous Enamel coating DDVR)

• Heavy-duty, durable, Low-Cost High Power Wire Wound Resistors for general purpose applications - Power Equipment Testing, High Power Circuits, Heating Resistors, Braking Resistors, Snubber Resistors in High Power Snubber Circuits.

• DDR - High Power Wirewound Resistors : 15W - 20000W ( 20kW )
• DNR - Low Inductance Wirewound Resistors : 15W - 20,000W ( 20kW )
• DDVR - Vitreous Vitreous Enamel Wirewound Resistors : up to 1kW
• Suitable for both continuous high power and short time overload dissipation applications
• It can be customized as High Current Resistors to handle very High Loading Current, up to hundreds of Amperes.
• They can be used as Load Resistor for load bank.

• All resistance values are made according to the customer's application needs.

• Support multi-resistances resistor ( Multi-Terminals )

• Support milli ohm and high resistance ranges

• Support Vitreous Enamel coating for harsh conditions applications

• For very small resistance requirement, please state the maximum current and loading time. Different Voltage can cause different resistor current. In turn different raw materials and production process are needed to withstand the load current and heat.

• Precision Resistance Tolerance +/-0.1% +/-0.5% +/-1% +/-5% +/-10%

• support Power, Resistance and Resistor Size not listed below.

• Prompt Delivery, within 4 - 9 days! e-mail us for pricing.

 

• Adjustable Power Resistors -

• DSR-F : Power up to 20kW. Low cost and 2-9 days delivery lead time.

• DSR-W : Power up to 20kW. Adjusting the Resistance values by a hand wheel. 1-3 weeks delivery lead time.

• DSR-WB : Adjustable Load Box with Hand Wheel, Voltmeter, Ammeter, Watt meter, Thermal Protection, Over Current Protection, Main Power Switch and Cooling System. Rated Power can be up to 50kW.

• DSR3-WB (3-phase): Adjustable Load Box with three Hand Wheels, Voltmeters, Ammeters, Watt meters, Ohm meters Thermal Protection, Over Current Protection, Main Power Switch and Cooling System. Rated Power can be up to 50kW.

• DSR-H : Power up to 5kW. A hand holder is for resistance adjusting. 1-3 weeks delivery lead time.

• Resistance is made according to customer's application need.

• For rotary adjustable power resistor, please refer to Rheostat series

• For adjustable Power Resistor application note, please refer to the Application page.

 

• We support High Power Wire Wound Resistors wth various specifications for different  industrial applications. Different applications can have a very different resistor electrical and mechanical profile requirement.

• There are more Power Resistors, Adjustable Power Resistors and Rheostats photos.

• Accept both large and small quantity orders and PayPal.

• Prompt Delivery, within 1 - 3 weeks! e-mail us for pricing.

       

DDR-F / DSR-F / DNR-F : Power Wire Wound Resistors

Dimension in 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	100 / 150	1000 / 600	1040 / 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 vary depending on the resistance and load current ratings.