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E93 25A 3P E93C25 AEG空氣斷路器
AEG空氣斷路器E93 25A 3P E93C25
在正常情況下,過(guò)電流脫扣器的銜鐵是釋放著的;一旦發(fā)生嚴(yán)重過(guò)載或短路故障時(shí),與主電路串聯(lián)的線(xiàn)圈就將產(chǎn)生較強(qiáng)的電磁吸力把銜鐵往下吸引而頂開(kāi)鎖鉤,使主觸點(diǎn)斷開(kāi)。欠壓脫扣器的工作恰恰相反,在電壓正常時(shí),電磁吸力吸住銜鐵,主觸點(diǎn)才得以閉合。一旦電壓嚴(yán)重下降或斷電時(shí),銜鐵就被釋放而使主觸點(diǎn)斷開(kāi)。當(dāng)電源電壓恢復(fù)正常時(shí),必須重新合閘后才能工作,實(shí)現(xiàn)了失壓保護(hù)。
NUMATICS 555JA43AO000000
NUMATICS 555SS431K000030
NUMATICS 555SS43A6G00040
ASCO 555SS43AKG00040
BURKERT 556193
BURKERT 556197
FESTO 556838 VMPA1-M1H-KS-PI
FESTO 556839 VMPA1-M1H-NS-PI
FESTO 556841 VMPA1-M1H-DS-PI
NORGREN 1342633
NORGREN 1342693
NORGREN 557603濾芯
FESTO 557649
NORGREN 5576-99
ODE 5578FV20-Z DC24V
BURKERT 558157
BURKERT 558224
Heraeus 558434
BURKERT 558676
DEUBLIN 55-904-003950
FESTO 559279 DSNU-20-250-PPS-A
BURKERT 559616
MAC 55B-11-PI-111BA
MAC 55B-11-PI-421BAAD
MAC 55B-12-PI-121CA
MAC 55B-12-PI-121CA(含PID-121CAAA)
MAC 55B-12-PI-291JJ
MAC 55B-12-RA