Wire Wound Brake Resistor

High Performance Wire Wound Brake Resistor

Key Parameters

FWI-BR has been painted ceramic tube high-power resistor

Product Category: Resistors

Product Specifications: GB

Applications:

Elevator, port machinery, rolling mills, hoist the generator, inverter and other brake and load

Use of the environment:

Rated temperature (+70 ℃); use with the temperature range (-55 ℃ ~ +375 ℃)

Structure:

rated power temperature (+70 ℃); use with the temperature range (-55 ℃ ~ +375 ℃)

Applicable standards: GB/T5729-2003 GB5732-85

Benefits & Features Specifications

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Rated Power(W)	Resistance Range(Ω)	Outside the type size(mm)									Resistance Tolerance(%)	Temperature coefficient
Rated Power(W)	Resistance Range(Ω)	D±1	L1±3	L2±3	h±3	H±3	N±1	Ф±1	q±1	Q±1	Resistance Tolerance(%)	Temperature coefficient
15W	0.12Ω～15KΩ	16	50	68	20	40	6	3	4.5	15	±5%	±250ppm
20W	0.12Ω～20KΩ	20	52	78	26	52	6	3	5	20
30W	0.12Ω～25KΩ	20	75	100	26	52	6	3	5	20
40W	0.12Ω～30KΩ	20	75	100	26	52	6	3	5	20
50W	0.3Ω～30KΩ	28	90	100	26	52	9	3	5	20
75W	0.3Ω～30KΩ	28	90	100	26	65	9	4	6	27
100W	0.5Ω～30KΩ	20	165	195	26	52	6	3	5	20
	0.5Ω～30KΩ	28	170	200	30	65	9	4	6	27
	0.5Ω～30KΩ	40	90	122	46	90	10	5	6	40
150W	0.5Ω～30KΩ	28	215	241	30	65	9	4	6	27
200W	0.5Ω～30KΩ	28	267	290	30	65	9	4	6	27
200W	0.5Ω～30KΩ	40	160	192	46	90	10	5	6	39
250W	0.5Ω～30KΩ	40	180	212	46	90	10	5	6	39
250W	0.5Ω～30KΩ	40	200	235	46	90	10	5	6	39
300W	0.5Ω～30KΩ	40	267	300	46	90	10	5	6	39
350W	0.5Ω～30KΩ	40	330	360	46	90	10	5	6	39
400w	0.5Ω～10KΩ	40	330	360	46	90	10	5	6	39
500W	0.5Ω～10KΩ	50	300	338	45	90	10	5	6	49
750W	0.5Ω～10KΩ	50	330	368	45	90	10	5	6	49
1000W	0.5Ω～10KΩ	60	250	305	64	130	15	5	6	59
1000W	0.5Ω～10KΩ	60	430	485	64	130	15	5	6	59
1500W	0.5Ω～10KΩ	70	300	360	76	145	15	5	8	69
2000W	0.5Ω～8KΩ	70	430	490	76	145	15	5	8	69
3000W	0.5Ω～5KΩ	80	250	350	90	155	15	5	8	69
5000W	0.5Ω～5KΩ	80	430	530	90	155	15	5	8	80
10KW	0.5Ω～5KΩ	100	430	600	130	365	30	8	10	100

The main test items, test methods and performance requirements
Test item	Performance requirements	Test methods
Temperature coefficient of resistance	≤±250(×10-6/℃)	-55℃/+20℃,20℃/+125℃
Terminal Strength	R≤±(1%R+0.05Ω)	Pull 20
Dielectric	No breakdown or flashover	2500V DC,1min
Weldability	Solder to flow freely and with terminals infiltration	235±5℃　2±0.5s
Resistance to soldering heat	ΔR≤±(1%R+0.05Ω)	260±5℃　10±1s
Short-time overloa	ΔR≤±(2%R+0.05Ω)	10 times the rated power, 5s
Rapid changes in temperature	ΔR≤±(1%R+0.05Ω)	-55 ℃ / +125 ℃ 5 cycles
Vibration	ΔR≤±(1%R+0.05Ω)	10～500Hz　98m/s2
Long-term load	ΔR≤±(2%R+0.05Ω)	+70±2℃ VR 1000h
Non-flammable	Not burning	1 to 6 times the rated power for 5 minutes
Surface temperature rise	≤350℃	The rated power
Insulation resistance value	1000MΩ	1000V DC

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