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3HAC9938-1询价请来电
3HAC9938-1
3HAC9938-1

可编程控制器的存储器由只读存储器ROM、随机存储器RAM和可电擦写的存储器EEPROM三大部分构成，主要用于存放系统程序、用户程序及工作数据。 
    只读存储器ROM用以存放系统程序，可编程控制器在生产过程中将系统程序固化在ROM中，用户是不可改变的。用户程序和中间运算数据存放的随机存储器RAM中，RAM存储器是一种高密度、低功耗、价格便宜的半导体存储器，可用锂电池做备用电源。它存储的内容是易失的，掉电后内容丢失；当系统掉电时，用户程序可以保存在只读存储器EEPROM或由高能电池支持的RAM中。EEPROM兼有ROM的非易失性和RAM的随机存取优点，用来存放需要长期保存的重要数据

New Square D Motor Logic overload relay Ser D, 9065 SS010,  A600 60 day warranty

Lot of 90 Niedax Hook Head Screws  HK 610/40 - 60 day warranty

Square D red pilot light 9001SKP38LRR31  60 day warranty - nib

Square D selector switch w/ green wing lever 9001KS46  60 day warranty - nib

Square D  Push Button 9001SKR1UH6 - 60 day warranty - nib

Square D 9001SKR5R05H13 emergency stop - 60 day warranty - nib

Qty 2 Square D White Pilot Lights, 9001KM1 9001SKT1W31 60 day warranty - nib

Amercable GEXOL -125 2 shielded pair 18 awg 105 Ft marine shipboard cable - New 

Amercable GEXOL -125 3C 3 conductor 14 AWG 105 Ft. marine shipboard cable - new

Cutler-Hammer Contact Block 10250T41  60 day warranty - nib

Cutler-Hammer/Eaton Contact Block 10250T51E  60 day warranty - nib

Cutler-Hammer Lever Selector Switch E22VBJ1  60 day warranty - nib

Helukabel TMO 233 050 UB Solid Corrugated tubing 50m NW 23 - New

Lot of 3 Indicator Lights (2) E22H3 Green, (1) E22 Red Flush, 60 day warranty

Helukabel NW 29 Solid Corrugated tubing 90461 25m. - New

Square D gray closing plate 9001DR-51, DR-51  -  60 day warranty - nib

Amercable GEXOL -125 (2011) approx 52 Ft. 4 shielded Pairs 18 awg - New

Amercable GEXOL -125  66 Ft. 7/C 7 conductor 16 awg Marine shipboard Cable - New

Amercable GEXOL -125 approx 42 Ft. 4/C 12 awg Marine shipboard Cable - New

Square D Push Button Boot 9001KU2  60 day warranty - nib

NIB Qty 7 Square D Mushroom Button Kit, 9001G20  60 day warranty

NIB  Square D Padlock Attachment 9001K97, 60 day warranty

9001KXRC111 Square-D dual push button non-illuminated - nib - 60 Day warranty

Square D selector switch 9001SKS11B - 60 day warranty - nib

Square D Selector Switch 9001SKS11  60 day warranty - nib

Cutler-Hammer Blue pushbutton E34EB6  60 day warranty - nib

Cutler-Hammer Black Operator Corrosion Resistant Pushbutton E34PB1 - nib

Cutler-Hammer Flush Head Pushbutton E22N3 - 60 day warranty - nib

Cutler-Hammer Ext. pushbutton w/ contact block 10250T25R - Warranty - nib

Red Lion Adjustable time base tachometer DT800000  60 day warranty - nib

Cutler-Hammer E34EB2-51X - 60 day warranty - nib

Cutler-Hammer Compact Pushbutton Indicating Light E30CA - 60 day warranty - nib

Cutler-Hammer Red Ext. pushbutton, E22EB2B  60 day warranty - nib

New ABB Shaft for disconnect switch OETLZA72 - 60 day warranty

Siemens 6SC6100-0NA11 6SC61000NA11 - - - 1 YEAR WARRANTY

Cutler Hammer Red Prestest Light 10250T74NR - 60 day warranty - nib

Dell poweredge rapid rail kit OFJ460, 60 day warranty - nib

Crouse-Hinds ABB saftey barrier spec 504, 1119140M0728  60 day warranty

Ametek/NCC 20 Output pulse timer board MPC-T2032-016  60 day warranty

Qty 2 Crouse-Hinds ABB Spec 504 Saftey Barrier 1139230M0201  - nib

3M VF-45 reference cable kit - new - 60 day warranty

ABB Overload Relay TA25DU-1.8 - 60 day warranty - nib

ABB Disconnect Switch OT125E3 60 day warranty - nib

DRAKA 32 Bostrig 125 Marine shipboard Cable 10/C #12 AWG Approx 54 ft. - New

New Lot of 6 C&K Toggle Switchs SPDT, 7107SYZQE  60 day warranty

Carling Toggle Switch 6FA58-73XG, 4X201, 60 day warranty

New Carling Toggle Switch 6FA54-73XG  60 day warranty

New Hoffman handle padlock Kit UUHPL - 60 day warranty

NIB - Box of 8 Allen-Bradley terminal blocks 1492-CE6 - 60 day warranty 

NIB - Box of 10 Allen-Bradley terminal blocks 1492-CE6 -  60 day warranty 

Allen-Bradley pilot light 800T-PDTL16R with module 800T-N296 - 60 day warranty

Used Allen-Bradley Green pilot light 800T-P16G  60 day warranty

NIB  Telemecanique Protection Module LB1LB03P10 - 60 day warranty

*NIB* Telemecanique Auxilary Contact Block LADN20, 60 day warranty 

Telemecnique Contact Block LA1 DN10 - 60 day warranty - nib

Square D Selector Switch 9001SKS43B  60 day warranty - nib

NIB Square D selector switch 9001SKS11 - 60 day warranty

New ABB Level Handle YASDB64  60 day warranty

Leviton Receptacle NEMA 5-30  125V  30A  AL-CU  60 day warranty - nib

Qty 3 Hubbell Receptacles Ivory HBL5361  60 day warranty - nib

New Qty 13 Phoenix contact fuse plug ST-SI-UK4, 60 day warranty

New Qty 12 Phoenix Contact UK3-RETURN-PE  60 day warranty

Qty 4 Leviton Isolated Ground Duplex Replacement 5262-IG  60 day warranty - nib

*NIB* Hubbell Male Industrial Plug HBL5266C, 2 pole, 3 wire, 15A/125V, warranty

Used Warrick Controls intrinsically safe 27A1E0  60 day warranty

New 3M Crimplok 6901 - 60 day warranty

NIB - Esterline KPSI Level & pressure transducer 720T-14B-0030  60 day warranty

Square D Interlocking Pushbutton 9001SKR11UH1 - 60 day warranty - nib

NIB Telemecanique protection module LB1 LC03M17 - 60 day warranty

New Allen-Bradley processor to link cable 1747-C11, 60 day warranty

Allen-Bradley overload relay 193-B1K3  series A, 60 day warranty - nib

Allen-Bradley Overload Relay 193-EB1CB  Series B, 60 day warranty - nib

Square D Circuit Breaker FAL34070  60 day warranty - nib

New Qty 13 Hoffman Enclosure Ventilator A-NMV3  60 day warranty

New Allen-Bradley starter 509-DOXWD  series A, 60 day warranty

Square D Circuit Breaker FAL22020 - 60 day warranty

Telemecanique terminal cover GS1 APU 53  60 day warranty - new

New Corning CCH-CP08-15T - 60 day warranty

Square D Magnet Coil 31074-400-38, 60 day warranty  - new

New Asco Red-Hat ll shut off valve  8210G094  60 day warranty

Time Mark Current Transformer 276A10  60 day warranty - nib

Time Mark Current Monitor 273-5-120vac - 60 day warranty

Time Mark motor load monitor, model 421  60 day warranty

Qty. 6 Square D latching relay 8501KL12V14  series B, 60 day warranty - nib

56 Allen-Bradley Rockwell Automation Blue terminal blocks 1492-H1B  Warranty

New Allen-Bradley Red 2 position pushbutton 800H-DP6D1  series C, 60 day waranty

Allen-Bradley Green flush head pushbutton 800H-AP1D1 - series C, warranty nib

Allen-Bradley Pushbutton 800H-AP2D2 - Series C, 60 day warranty - nib

Allen-Bradley Red pilot light 800T-QTH10R - 60 day warranty - nib

Allen-Bradley Amber pilot light 800H-QRH24A  series F, 60 day warranty - nib