H4116黑马德国H4116黑马德国
两个交流接触器同时工作，它们的主触点都闭合，必将造成电源短路。因比，为了保证两个接触器不同时工作，在控制电路中，串接了对方的常闭辅助触点RMR和RMF，即把正转接触器RMF的一个常闭辅助触点串接在反转接触器RMR的线圈电路中，而把反转接触器的一个常闭辅助触点串接在正转接触器的线圈电路中。这两个常闭触点称为联锁触点。这样一来, 当按下正转起动按钮SBF时，正转接触器线圈通电，主触点RMF闭合，电动机正转。与此同时，联锁触点断开了反转接触器RMR的线圈电路。因此，即使误按了反转起动按钮SBR，反转接触器也不能动作。在同一时间里两个接触器只允许有一个在工作的控制作用称为互锁作用或联锁作用。
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但是在正转过程中要求反转，必须先按停止按钮SB1，让联锁触点RMF闭合后，才能按反转启动按钮使电动机反转，这样一来，带来操作上的不方便。为了解决这个问题，除了利用接触器的动断触点进行电气互锁外，还可以利用复合按钮触点动作的先后顺序不同进行机械互锁。就是这种控制电路的辅助电路(主电路与前相同)。每一个复合按钮都有一副动合触点和一副动断触点，两个启动按钮的动断触点分别与对方的接触器线圈串联。当按下正转启动按钮SBF时，它的动断触点先断开反转接触器的线圈电路；当按下反转启动按钮SBR时，它的动断触点先断开正转接触器的线圈电路。因此,采用这种复合按钮，在改变电动机转向时可以不必先按停止钮，只要按下相应的另一起动按钮即可。如果两种互锁方式同时采用，构成双重互锁，相互制约工作更为可靠。
GE 23L6516R 1uF 2100VAC Oval Capacitor BR1Br5 NEW
OCTAGON SYSTEMS P/N MPB-16 I/O MODULE BD 16 POSITION 7003A-1
SMC MXP16-30 Linear Slide w/PL41750/41749 Roller Arm*
BANNER 48537 Light Curtain Controller*
International Light SEE400 Sensor, 7904D-1
MAC VALVES INC 56C33111JJ NSFP SOLENOID VALVE 3WAY 120/110V 50/60HZ 6.8W, 84B-3
12 Pcs- Siemens 32.7513.710-00 (omron sensor)*
Sony 07MXC2 (RV. HE) X2 Picture Tube, 83B-3
Masterflux 025A0049 B Compressor Controller*
Cooper Bussmann Buss LPJ-30SP Fuses Box of 3 NEW 8904f
TOSHIBA G3 TOSVERT-130 TRANSISTOR INVERTER VT130G3U4160- Rack 13*
Cooper Bussmann Buss LPJ-4SP Fuses Box of 10 NEW 8904f
PANAFLO 4.7" 12V, 0.65A FBL12G12U DC Brushless Fan "NEW' - 8502A*
SMC MXP16-30 Linear Slide 0.15-0.7 MPa*
General Radio GR GenRad 1482-G 5mH +-0.1% Standard Inductor
RBPP-0502-2 IDEC Solid State Relay 7003A*
GE Fanuc IC693UDR002AP1 Series 90 Micro Programmable Controller, 7403C
Compact Automation Products QG01-755-C Pneumatic Cylinder*
Allen Bradley HR 100-240VAC; 0-5 Sec Multi-Function Timing Relay 7003A-4
HP 185A Oscilloscope Operating & Service Manual 01103-2 3115B-1
HP 186A Switching Time Tester Operating & Service Manual 3115B-1
ASCO Red Hat Solenoid Valve Model 8263G206V , 90B-1
HP 187A Dual Trace Vertical Amplifier Operating & Service Manual 3115B-1
HP 188A Dual Trace Vertical Amplifier Operating & Service Manual 3115B-1
HP 428A Clip-On Milliammeter Operating & Service Manual 3113B-3
HP 191A TV Waveform Oscilloscope Operating & Service Manual 00191-90902 3115B1
Omron H3BH Timer 0.5 to 10min 120VAC 7003A-4
GE 97F8060 12.5uF 370VAC Oval Capacitor BR1Br5 NEW
HP 425A DC Microvolt Ammeter Operating & Service Manual 00425-90004 3113B-3
HP 198A Oscilloscope Camera Operating & Service Manual 3115B-1
Parker Daedal 105002BTEP-D3L3C4M1E1 Linear Positioner 2" Travel 5" Wide*
GE 97F5160 25uF 370VAC Round Capacitor BR1Br6 NEW
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HP 200C/ 200D Audio Oscillator Operating & Service Manual 3115B-1
Dynapar 62-AAEF-0600-A0-00 Rotopulser Rotary Transducer, 7302B
HP 200CD/ CDR Wide Range Oscillator Operating & Service Manual 3115B-1
HP 431B Power Meter Operating & Service Manual 431B-902 3113B-3
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Square D 8910-DPA13-A 8910DPA13 Series A Contactor 600V 20A
HP 202A Low Frequency Function Generator Operating & Service Manual 3115B-1
GE 97F9610 30uF 370VAC Round Capacitor BR1Br7 NEW
Tektronix 067-0529-00 Calibration Fixture 8501C
HP 200CD Wide Range Oscillator Operating & Service Manual 200CD-907 3115B-1
HP 428B Clip-On DC Milliammeter Operating & Service Manual 00428-90002 3113B-3
GE 97F6900RC 16.5uF 480VAC Oval Capacitor BR1Br6 NEW
HP 204C Oscillator Operating & Service Manual 00204-90000 3115B-1
HP 201C Audio Oscillator Operating & Service Manual 3115B-1
GE 97F6692 8.5uF 480VAC Oval Capacitor BR1Br1 NEW
HP 205AG Audio Signal Generator Operating & Service Manual Copy 3115B-1
emecanique Schneider XS7-C40AS101 XS7C40AS101 Plug-In Sensor
Rexroth Valve 4WE10JB21/AW / WH70-4-A 229 110V 50/60Hz, 90B-1
GE 97F6856RC 7uF 280VAC Oval Capacitor BR1Br3 NEW
KH Krohn-Hite 3320 Variable Filter , 81C
HP Agilent ESG / ESG-D Series Signal Generators Calibration Guide New 3115B-1
Cooper Bussmann Buss KTK-10 Limitron Fuses Box of 10 New 8904f
Superior Electric A201053-37 & A201053-038 Phase Shifting Capacitors, 7503C
HP ESG / ESG-D Series Signal Generator Programming Guide New 3115B-1
Superior Electric A201053-66 & A201053-041 Phase Shifting Capacitors, 7503C
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GE 97F9673 5uF 20uF 370VAC Oval Capacitor BR1Br6 NEW
GE 27L8006RR 57uF 346VAC Round Capacitor BR1Br6 NEW
Cooper Bussmann Buss T-Tron JJS-150 Fuses Pack of 2 8904f
ARO Fluid Power 115288 Mounting Brackett, 90B-1
ITT Pomona 5360-0 490 Pack of 20 Test Clips NEW 8501C/ rk14btm
HP 355C/355D/355E/355F VHF Attenuators Operating Note 00355-90025 3115B-2
Comtrac C002N0063MR163/050 Gear Reducer & GE 5KCR46MN0055Y Motor- Rack 3btm
HP 417A VHF Detector Instruction & Operating Manual 3115B-2
Superior SLO-SYN SS400 Synchronous/Stepping Motor*
LOGISYS PS550A-BK 550W Dual Fan Switching Power Supply "NEW" 8002A*
HP 415E SWR Meter Operating & Service Manual 00415-90007 3115B-2
Catalyst Enterprises Master Series STX-431 STX431-0178 rk3c
Weston 904, 25-1000 Cycles A.C. Voltmeter-8503B*
HP 415B Standing Wave Indicator Operating & Service Manual 3115B-2
HP 414A Autovoltmeter Operating & Service Manual 00414-90001 3115B-2
HP 411A RF Millivoltmeter Operating & Service Manual 3115B-2
HP 85023B APC 3.5 Verification Kit + 909D + 8493C + 85037-60001 + Connectors
HP 410B Vacuum Tube Voltmeter Operating & Service Manual 3115B-2
Weston 901 Voltmeter- 8503C*
Metcal NZA-CN-555-555; 55.5mm x 55.5mm APR Reflow Nozzle 7703A*
ITT Jennings J1HT 57 15kV 10% NPO Capacitor RFE 8601G
Baldor CWDL3504 Industrial Motor 35J306-154 1/2HP 8/4.2-4 AMPS, 87C
Sanyo 103-606-27 6VDC Stepper Motor 3A 1849-5390 NEW, 83B-3
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Watlow SSR-600-25A-AC1 Solid State Relay*
Rockwell Wescom 3603-00 LIU-3 Mode 3 Line Interface Unit, 7401E
HP 405AR Automatic DC Digital Voltmeters Operating & Service Manual 3115B-2
K&L M/W S/N 100, 7FV10-10350/T500-0/0
HP 403B AC Voltmeter Operating & Service Manual 00403-90006 3115B-2
Lantronix XPD100100K-01 Kit "NEW" 8001B*
HP 400D Vacuum Tube Voltmeter Instruction & Operating Manual 3115B-2
K&L M/W S/N 104, 4FV10-20700/E1365-OP/OP
HP 400C Vacuum Tube Voltmeter Instruction & Operating Manual 3115B-2
Superior SLO-SYN SS150-1004 Synchronous/Stepping Motor*
NMB-MAT 7 1608VL-05W-B40 24VDC 0.07A Fan Pack of 2 8501C
GenRad 2600-9840-A Trace Interface Module- 8502B*
HP 400GL AC Voltmeter Operating & Service Manual 3115B-2
Autonics CT4S-1P2 Counter/Timer 24-48VAC "NEW" 8001B*
Jamesbury VPVL050 SR4/5 B Valve Actuator w/Mounting Plate*
K&L MICROWAVE 4B250-3100/H320-0/0, S/N 95
K&L M/W S/N 75, 4C50-3100/T30-0/0
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HP 350C/D Attenuator Set Operating & Service Manual 3115B-2
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HP 350A/B Attenuator Set Operating & Service Manual 3115B-2
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HP 331A/332A Analyzer Operating & Service Manual 00331-90001 3115B-2
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Minarik Visi-Tach VT3-115 Digital Readout, 7201A-3
Honeywell Y455X1-B-000-00-2274 Chart Recorder, 7602D
HP 331A/332A Analyzer Operating & Service Manual 00331-90002 3115B-2
HP 330B/C/D Distortion Analyzer Operating & Service Manual 3115B-2
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K&L MICROWAVE, 4B120-450/H50-0/0, S/N 106
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HP 302A Wave Analyzer Operating & Service Manual 018- 3115B-2
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HP 310A Wave Analyzer Operating & Service Manual 516- 3115B-2
HP 302A Wave Analyzer Operating & Service Manual 3115B-2
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Ana A-1000, A1000 XP (C-80) Organics Analyzer*
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Panasonic LC-R127R2P1 12V, 7.2Ah/20HR, 84C
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Square D HL150 HLL36150 Circuit Breaker,98C-2
Festo LFR-3/8-S-B, WA-1, 4-16 Bar Valve- 8401B*
Narda Directional Coaxial Coupler, 4246B-20, -20 dB, 6-18 GHz
Zeus Industrial 11SW 11 Gage Natural Color 500ft TFE 500' Teflon Tubing
Zeus Industrial 11TW 11 gage Natural Color TFE Teflon Tubing 500ft NEW 500'
Emerson ACDC RM164B-2332-0066 Power Supply*
Triangle Microwave Inc. 4 Way Power Divider, Model YF-25, FREQ: .75 - 1.5 GHz
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Viking Electronics Weather Resistant Call Speaker "NEW" Rack 15*
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ASTEC AC 9355Power Supply "NEW", 98C-3
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Bryant 7485NP Locking Midget Plug,3P, 3W, 15A 125/250V Qty. 2 PCS, 98C-3
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Flow Control Valve MF500B, 98C-3
BELDEN RI-38601 12Ft GPIB Cable*
Sporlan Valve #XYP-3 MRP 500, 90B-2
Sanyo STK-Z-3004-D IC Regulated DC to DC Converter, 90B-2
Agilent 5086-7822; 24VDC Attenuator*
HP 33321 33321-60025 Attenuator Rack12
AD Analog Devices ADC1130 2 Pack NEW rk12
Custom Hand Die Press*
HP 5086-7842; 24VDC Attenuator*
XP Power PBM300PQ11C 300W 24VDC Power Supply rk12
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BI Technologies RBC Turn Counting Dial*
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Axiom CME-2107; 33C4445 Microprocessor Card "NEW"- 8503A*
PTFE TFE 1000' 1000ft 19LW 19-LW Natural Teflon Tubing NEW 7903E
HUBER+SUHNER AG EMP- Lightning/Surge Protector*
HP 8116A Pulse/ Function Generator Opt 001
Turck Ni8-G18-ADZ30X2-B3331/S34 1303500 Sensor Ni8-ADZ30X2 7003A-1
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IPG Photonics Ytterbium Fiber Laser Driver YLD-2 Rack12c
Steinel 8241200 Thermo-Check TCI Thermometer "NEW"- Rack 12*
Turck Bi2-GT12-AZ31X-B3131/S34 1303500 Sensor NEW 7003A-1
Schrader Bellows 74319-0115 Valve NEW, 98C-3
Netcom Systems X-1000 Fast Ethernet Tester/Simulator/Analyzer rk4b
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Axiom CMD-912DG128; 33C4442 Microprocessor Card "NEW"- 8502B*
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Square D NEMA SIZE 0 "SBO 1" 8536 Series A 115V 1HP, 230V 2HP Starter 7003B-1
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Axiom PM-912D60; 33C5883 Microprocessor Card "NEW"- 8502D*
HP 489A/ 491C Microwave Amplifier Operating & Service Manual 3115B-3
Pro-Power PP1911 Red 2" Heat Shrink Tubing 50 ft*
HP 463A Precision Amplifier Operating & Service Manual 000463-90000 3115B-3
Honeywell C437 Gas Pressure Switch Qty of 2, 85C-2
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ONEAC Power Supply FT1110 / 009-151 50/60Hz, 97H
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SCI Systems Data Bus Coupler 5012380-002 2J622 7003A-1
Yamada NDP-15 FPT Diaphragm Pump*
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AMVECO Transformer TRF# MT 1000DS, 85C-2
TTC Fireberd 6000A Communications Analyzer*
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HP 428A Clip-On Milliammeter Operating & Service Manual 3115B-3
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Allen Bradley Disconnect Switch 1494V-DS30, 30A 7003A-2
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HP 425A Microvolt-Ammeter Operating & Service Manual 3115B-3
Klixon CLA-70 8545 Switch 7701A
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Agilent 85070D 8120-6192 Dielectric Probe Kit 85070D-CFG001
