NTMF01
NTMF01
NTMF01
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欠压脱扣器11的线圈并联在主电路上,当线路电压正常时,欠压脱扣器产生的电磁吸力能够克服弹簧9的拉力而将衔铁10吸合,如果线路电压降到某一值以下,电磁吸力小于弹簧9的拉力,衔铁10被弹簧9拉开,衔铁撞击杠杆7使搭钩顶开,则触点2分断电路。当线路发生过载时,过载电流通过热脱扣器的发热元件13而使双金属片12受热弯曲,于是撞杆7顶开搭钩,使触点断开,从而起到过载保护作用。根据不同的用途,自动开关可配备不同的脱扣器。
(3)按结构分类自动开关有式(框架式)和塑料外壳式(装置式)两种。控制线路中常用塑壳式自动开关作为电源引入开关或作为控制和保护不频繁起动、停止的电动机开关,以及用于宾馆、机场、车站等大型建筑的照明电路。其操作方式多为手动,主要有扳动式和按钮式两种。式(框架式)主要用于供配电系统。
自动开关与刀开关和熔断器相比,具有以下优点:结构紧凑,安装方便,操作,而且在进行短路保护时,由于用电磁脱扣器将电源同时切断,避免了电动机缺相运行的可能。另外,自动开关的脱扣器可以重复使用,不必更换。
GE FANUC BLCGPB2T AS-i/PROFIBUS
Toyoda Module Card MC256-S090
Modicon AEG Micro 11051203
ARCOTRONICS F.LL.DU.300A.074.I3 04307 1200VDC 300A@40C
EATON Cutler Hammer Drive MMX32AA7D0N0-0
ENIDINE Shock Absorbers 4E5490 PRO 15 IF-2 Spec. SP9349
Long Stainless Steel Woven Mesh Flexible Coupling Flanged 4" ID 304 SS
PANASONIC AC SERVO DRIVER MSP0522AN10B 220V 3PH MSP0522AN1
New in box FOXBORO 2AX-SSL N0301KN J
CROSBY RELIEF VALVE CF8M 68530M6 L41SA 24 GPM/WTR
HITACHI SEIKI A4-22855 FANUC BOARD
ROSEMOUNT 644RANAF6 4-20mA 12.0-42.4VDC
EMS MOTOR CONTROL CIMR-G3U41P5
Tycor AEGIS Transient Noise Filter AGS-1203-X
OPCON 1240B-IX2 1240BIX2 100756
Forney UV/IDD Detector Amplifier DR-6000
TC CONTACTOR LD1FDP185A 275 A 275A 220-1000V
CINCINNATI MILACRON 3-533-0265G
NUMATICS VALVE 554BB600MP14D 150PSI
ROSS PNUEMATIC SOLENOID VALVE W6076B3401
COMPUTER DYNAMICS VAMP-TFT
Danfoss Drive, ILD Card 175H7054, 175H7046, 175H3928,
VALMET AUTOMATION CONTROL CARD C3244-000-300C3 D, C3244, 19761,
ALLEN BRADLEY AB OUT OF STEP REPLAY OUT-OF-STEP RELAY 43.0 36.0 28.0 21.0 15.0
ALLEN BRADLEY AB OUT OF STEP REPLAY OUT-OF-STEP RELAY 24.0 20.5 16.0 12.0 8.5
NO NAME POWER SUPPLY BOARD CARD L-PCB 1XXX 098-01115-03 01115-05-037
ALLEN BRADLEY AB OUT OF STEP REPLAY OUT-OF-STEP RELAY 6.5 5.4 4.3 3.2 2.3
GE FANUC INPUT ANALOG IC693ALG223C
WESTRONICS 379 SPEED CHART CB100118 CB100118-02 E
ABB STROMBERG FAULT & DATA BOARD CARD 5760380-1B 57122404A
ABB STROMBERG PARAMETER BOARD CARD 5760293-7B 57584301A PMC85-CL
PRECISION DIGITAL 98080195 PD693-3-14 PD693
POWERTEC C0.5.3R1CH000 C0 5 3R1CH000 1/2HP
POWERTEC C0.5.3R2CH000 C0 5 3R2CH000 1/2HP
POWERTEC C001.3R2CH000 1HP
Barksdale TXR-L2S-10-Q10
ABB ASEA CIRCUIT BOARD CARD YYE 109A 7L YYE109A 2668 180-77/6 YT212001-AB/5
GE Fanuc Display Station 2000 Operating Panel 2BCM2-2D00-0001 IC752WTE000D
HONEYWELL 620-0036 6200036 115/230VAC 47-63Hz
NUMATICS VALVE 34JPR4150 33JPR4000
CONAIR 2668900104 TOUCH
Si Technology GateReader Gate SRA-GR-101
FISCHER & PORTER 686B167U05 rev.10 91028 0004 686B167U05
EATON DYNAMATIC AF5000+ CIRCUIT BOARD CARD 15-898-2 15 898 2
FREELIN WADE 1A-025-27-1000 1A02527 1000 1A-025-27 1000ft roll G-GT DN84
CUTLER HAMMER CH THERMAL MAGNETIC TRIP UNIT PJT9250AA
NUMATICS VALVE 33JDR4410 repl 33JDR4000