HFDT-type copper unipolar sliding contact line wire is generally used in power plants and other places with higher requirements. Yinqi's conductor is made of T2 conductive copper, which has good conductivity, but its manufacturing cost is relatively high.

No.	Model	35℃ ampacity	35℃ 100m DC resistance <Ω>	35℃ 100m AC resistance <Ω>	Center distance between poles （mm）	Collector Model
1	HFDT150	150	0.048	0.029747	85	JDD160
2	HFDT200	200	0.036	0.02231
3	HFDT250	250	0.0288	0.01785

No.	Model	35℃ ampacity	35℃ 100m DC resistance <Ω>	35℃ 100m AC resistance <Ω>	Center distance between poles （mm）	Collector Model
1	HFDT320	320	0.0225	0.01394	85	JDD240 JDD350
2	HFDT500	500	0.0144	0.00892
3	HFDT630	630	0.0114	0.00708

No.	Model	35℃ ampacity	35℃ 100m DC resistance <Ω>	35℃ 100m AC resistance <Ω>	Center distance between poles （mm）	Collector Model
1	HFDT800	800	0.009	0.00558	85	JDD240 JDD35
2	HFDT1000	1000	0.0072	0.00446
3	HFDT1250	1250	0.0058	0.00357
4	HFDT1600	1600	0.0045	0.00279

No.	Model	35℃ ampacity	35℃ 100m DC resistance <Ω>	35℃ 100m AC resistance <Ω>	Center distance between poles （mm）	Collector Model
1	HFDT1800	1800	0.0034	0.00201	85	JDD600 JDDG600
2	HFDT2000	2000	0.0028	0.00131
3	HFDT2500	2500	0.0024	0.00568