产品中心
1762-L24AWAR
两地均可以对电动机 M1 进行启动与停止控制,这样对于需要多地控制的场合就会非常合适,如果需要 3 地甚至更多地控制,只要按照左图一样, 在启动按钮侧并联更多启动按钮,在停止按钮侧串联更多停止按钮就可以。
三相异步电动机正反转控制原理分析
主回路采用两个接触器,即正转接触器KM1和反转接触器KM2。当接触器KM1的三对主触头接通时,三相电源的相序按U―V―W接入电动机。当接触器KM1的三对主触头断开,接触器KM2的三对主触头接通时,三相电源的相序按W―V―U接入电动机,电动机就向相反方向转动。电路要求接触器KM1和接触器KM2不能同时接通电源,否则它们的主触头将同时闭合,造成U、W两相电源短路。为此在KM1和KM2线圈各自支路中相互串联对方的一对辅助常闭触头,以保证接触器KM1和KM2不会同时接通电源,KM1和KM2的这两对辅助常闭触头在线路中所起的作用称为联锁或互锁作用,这两正向启动过程对辅助常闭触头就叫联锁或互锁触头。
LAMBDA ESS 20-750 0-20V@0-750A VARIABLE DC POWER SUPPLY
LAMBDA ESS 130-115-11-D 0-130V@ 0-115A DC POWER SUPPLY
LAMBDA ESS 80-185-2-D 0-80V@ 0-185A DC LAB POWER SUPPLY
LAMBDA 0-20V@ 0-750A VARIABLE REGULATED DC POWER SUPPLY
LAMBDA 0-130V@0-115A 15KW VARIABLE DC LAB POWER SUPPLY
LAMBDA 0-20V@0-750A AUTO STARTER TESTER DC POWER SUPPLY
LAMBDA 0-80V@ 0-185A 15KW VARIABLE DC LAB POWER SUPPLY
7 LAMBDA PHYSIK LASER TECHNIK POWER CONTROLS
9KVA LAMBDA PHYSIK LASER Power Supply 40KV Triple Stac
Lambda Physik EMG 150 LASER 248 nm Excimer Kr-F Head
LAMBDA ESS 60-165-2-D-RSTL 0-60V@0-165A DC POWER SUPPLY
LAMBDA ESS 300-33-2-D-RSTL 0-300V@0-33A DC POWER SUPPLY
LAMBDA 0-60V@0-165A 10KW VARIABLE DC POWER SUPPLY GP-IB
LAMBDA 0-300V@0-33A 10KW VARIABLE DC POWER SUPPLY GP-IB
PERKIN ELMER UV/VIS SPECTROMETER LAMBDA BIO 20 NICE
5 LAMBDA PHYSIK HV LASER POWER SUPPLY 28084030
Perkin-Elmer 3B Lambda UV/VIS Spectrophotometer
LAMBDA EMI VARIABLE DC POWER SUPPLY ESS 300-33-2-D-0806
LAMBDA 0-20V@ 0-500A VARIABLE REGULATED DC POWER SUPPLY
LAMBDA ESS 20-500-11 0-20V@ 0-500A DC LAB POWER SUPPLY
LAMBDA EMS 40-250-2-D 0-40V@ 0-250A DC LAB POWER SUPPLY
LAMBDA EMS 20-250-2-D O-20V@ 250A DC BENCH POWER SUPPLY
LAMBDA 0-40V@ 0-250A 10KW REGULATED DC LAB POWER SUPPLY
LAMBDA 0-40V@ 0-250A 10KW REGULATED DC LAB POWER SUPPLY
Lambda 00481762 ESS 60-165 DC Power Supply
Lambda Physik LP-189 Hydrogen Thyratron
PERKIN ELMER LAMBDA 20 UV-VIS SPECTROMETER #3830
10kW LAMBDA/EMI 100V@100A DC POWER SUPPLY GPIB CONTROL
Perkin Elmer Lambda UV/VIS Spectrophotometer
MRV EM800-OAB Optical Booster Amplifier for the Lambda
TDK EMI Lambda TCR 40T250 40V 250A 3-PH Power Supply DC
Perkin Elmer Lambda 3B UV/VIS Spectrophotometer
8 KVA Lambda Physik EMG 201 E LASER Power Supply Used
Perkin Elmer Lambda 3A UV Visible Spectrophotometer
Keba / Lambda Hand Held Terminal HT501 #25242
3.8 KVA Lambda Physik EMG 150 ES LASER Power Supply
AMAT Lambda EMI Power Supply ESS 80-185-2-1417 00481528
TDK Lambda EMI ESS 50-300-11-D DC Power Supply 15KW (F)
2010 HYUNDAI GENESIS COUPE 3.8L ENGINE LAMBDA RS3800
Perkin-Elmer Lambda 3A UV/VIS Spectrophotometer
NEMIC LAMBDA YM-03-1039TA PLVPS POWER SUPPLY
Perkin Elmer LAMBDA 5 UV/VIS SPECTROPHOTOMETER & COMP!
Waters Lambda-Max Model 481 LC Spectrophotometer 3-part
LAMBDA 0-20V@ 0-250A VARIABLE REGULATED DC POWER SUPPLY
TDK-Lambda EMI ESS 40-250 Power Supply: Rebuilt
Electronics Measurements Lambda/EMI BOS/S 20-20-1-D
Perkin Elmer LAMBDA 4B UV/VIS SPECTROPHOTOMETER, WORKS!
LAMBDA LB-706-FM 0-300V@ 0-10A VARIABLE DC POWER SUPPLY
LAMBDA 0-300V@ 0-10A METERED REGULATED DC POWER SUPPLY
Lambda Regulated Power Supply SE-500-3 115VAC - 24VDC
LAMBDA PHYSIK EMG-101 LASER WITH POWER SUPPLY NET2
NIB LAMBDA GENESYS 0-40V@0-85A VARIABLE DC POWER SUPPLY
LAMBDA EMS 250-10-2-D-RSTL 0-250V@0-10A DC POWER SUPPLY
NIB LAMBDA GEN 40-85-3P208 0-40V@0-85A DC POWER SUPPLY
LAMBDA DIGITAL 0-250V@0-10A LAB DC POWER SUPPLY W GB-IB
Lambda-EMI EMS20-250-2-D-RSTL DC Power Supply, 0-20V, 2
LAMBDA 00493279 NSPP 00493279
Lambda Physik 26230722
LAMBDA LXS-EE-24-R NSFP LXSEE24R
LAMBDA LXS-EE-20-R NSFP LXSEE20R
LAMBDA 0-60V @ 0-70A METERED REGULATED DC POWER SUPPLY
LAMBDA LT-864 0-60V@0-70A REGULATED DC LAB POWER SUPPLY
LAMBDA LT-862-GPIB USPP LT862GPIB
PERKIN-ELMER LAMBDA 20 SPECTROMETER