NDS17251 series has the following types

Types	Rated voltage	Operating voltage range	Rated current	Input power	Rated speed	Maximum air volume		Maximum static pressure		Noise
	[V]	[V]	[A]	[W]	[RPM]	[m3/h]	[CFM]	[mmAq]	[Pa]	[dB(A)]
NDS17251C12XC	12	6~13.8	1.32	15.8	3350	426.6	251.0	18.0	176.4	55.0
NDS17251D12XC	12	6~13.8	4.40	52.8	4500	594.6	350.0	31.1	305.0	65.0
NDS17251E12XA	12	6~13.8	6.00	72.0	5200	666.0	393.3	44.2	433.3	69.0
NDS17251C24XC	24	12~27.6	0.66	15.8	3350	426.6	251.0	18.0	176.4	55.0
NDS17251D24XC	24	12~27.6	2.20	52.8	4500	594.6	350.0	31.1	305.0	65.0
NDS17251E24XA	24	12~27.6	3.00	72.0	5200	666.0	393.3	44.2	433.3	69.0
NDS17251E24SC	24	12~27.6	3.80	91.2	5400	660.0	388.5	64.0	627.2	76.0
NDS17251F24SC	24	12~27.6	3.30	79.2	6300	736.2	433.5	52.3	512.7	86.0

Motor optional function table

Motor protection

RP	SS	AS	CL	OV	CS
反接保护	软启动	锁定保护	限流保护	过压保护	恒速保护
Default	Default	Default	Optional	Optional	Optional

Signal output

FG	RD	LD
转速侦测	停转告警	设定告警
Optional	Optional	Optional

Speed regulation mode

PPWM	VPWM	TC	RC
占控比调速	电压调速	温控调速	电阻调速
Optional	Optional	Optional	Optional

Curves

Product drawing

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