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MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

News March 15, 2021

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived



MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived



Brief Description of 
MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

Manufacturer : MTL Instruments
Product No. : MTL7755AC
Product type : Shunt-Diode Safety Barrier
Typical Application : RTD, Grounded
Bussed Power : No
RTDs : 3-wire



Overview of MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


Analogue inputs (low-level)   MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

Thermocouples and mV sources

The recommended barrier for thermocouples and mV sources is the MTL7760ac. This 2-channel non-polarised barrier retains the ‘earthfree’ nature of the signal and, providing the receiver’s input ‘floats’, rejects common-mode ac and dc interference up to at least 7V and is unaffected by earth faults on the primary element.

AC sensors, photocells, microphones and turbine flowmeters  MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


The MTL7760ac is the recommended choice for these devices. While many of these are designated ‘simple apparatus’ and thus do not need certification, note that some ac sensors may be subject to a significant level of inductance and will therefore need to be designed and certified for hazardous-area locations.

Slidewire displacement transducers  MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

The simplest choice is the MTL7760ac. This barrier supplies power and brings back a unipolar signal.


RTDs of MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

For 3-wire RTDs, a single MTL7755ac barrier is the most economical choice. This is suitable for use with a floating bridge – the two leads from the bridge arms are protected by the barrier with the third (supply) lead being earthed through the barrier. The barrier has a low end-toend resistance of only 19Ω/channel to minimise span changes and its channels track within 0.15Ω (between –20°C and +60°C) to minimize zero shift with temperature.

If the bridge circuit is already earthed, the third barrier channel provided by an MTL7756ac is needed. For extreme accuracy, 3 channels and an earth-free bridge can be used, a configuration that cancels out the small errors due to barrier leakage.

Channels 1 and 2 (those between terminals 1 & 2 and 3 & 4 respectively) track to within 0.15Ω (between –20°C and 60°C).

4-wire constant-current circuits do not need matched barrier resistances and can be protected by two MTL7761ac barriers. If the increase in loop resistance is too great, use two MTL7755ac barriers instead.


Ordering Codes of MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL7760AC MTL7760AC MTL7755AC MTL7756AC MTL7764AC MTL7761AC MTL7766PAC MTL7728+ MTL7728P+ MTL7729P+ MTL7787+ MTL7787P+ MTL7728+ MTL7728P+ MTL7729P+ MTL7764+ MTL7767+ MTL7765AC MTL7778AC MTL7728- MTL7799 MTL7706 MTL7707+ MTL7707P+ MTL7741 MTL7742 MTL7743 MTL7744 MTL7745 MTL7787+ MTL7787P+ MTL7788+ MTL7788R+ MTL7789+ MTL7706+ MTL7707+ MTL7707P+ MTL7741 MTL77742 MTL7743 MTL7744 MTL7745 MTL7798

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL5011B , upgraded model: MTL5511
MTL5018 , upgraded model: MTL5516C
MTL5041 , upgraded model: MTL5541
MTL5042 , upgraded model: MTL5541
MTL5043 , upgraded model: MTL5544
MTL5044 , upgraded model: MTL5544
MTL5045 , upgraded model: MTL5546
MTL5046 , upgraded model: MTL5546
MTL5074 , upgraded model: MTL5575
MTL7787+
MTL5022 , upgraded model: MTL5522
MTL5031 , upgraded model: MTL5531 or MTL5533

Part Number & Description of MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

Digital Input     MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4501-SR     1ch DI failsafe solid-state output + LFD alarm        
MTL4504          1ch DI relay output + LFD alarm + phase reversal
MTL4510          4ch DI solid-state output        
MTL4510B        4ch DI multifunction solid-state output
MTL4511          1ch DI relay output
MTL4513          2ch DI solid-state output        
MTL4514/B       1ch DI relay output + LFD alarm     
MTL4516          2ch DI relay output
MTL4516C        2ch DI with changeover relay output     
MTL4517          2ch DI relay output + LFD alarm     

Digital Output  MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4521          Loop powered solenoid driver
MTL4521L         Loop powered solenoid driver IIC    
MTL4523          Solenoid driver with LFD
MTL4523L         Loop powered solenoid driver + LFD       
MTL4523R         Solenoid driver with LFD
MTL4523V/VL    Solenoid/Alarm driver with voltage control    
MTL4524           Switch operated solenoid driver     
MTL4524S         Switch operated solenoid driver, 24V override       
MTL4525           Switch operated solenoid driver low power   
MTL4526           2ch switch operated relay      

Analogue Input   MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4541           1ch 2/3 wire Transmitter repeater
MTL4541A         1ch Transmitter repeater, passive input         
MTL4541AS       1ch Transmitter repeater, passive input, current sink   
MTL4541B          MTL4041B replacement
MTL4541P          MTL4041P replacement
MTL4541S          1ch 2/3 wire Transmitter repeater, current sink    
MTL4544            2ch 2/3 wire Transmitter repeater
MTL4544A          2ch Transmitter repeater, passive input         
MTL4544AS        2ch Transmitter repeater, passive input, current sink   
MTL4544B          MTL4044 replacement   
MTL4544D          2/3 wire transmitter repeater, dual output   
MTL4544S          2ch 2/3 transmitter repeater, current sink    

Analogue Output  MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4546            1ch 4-20mA smart isolating driver + LFD        
MTL4546C          1ch 4-20mA smart isolating driver + oc LFD   
MTL4546Y          1ch 4-20mA smart isolating driver + oc LFD   
MTL4549            2ch 4-20mA smart isolating driver + LFD        
MTL4549C          2ch 4-20mA smart isolating driver + oc LFD   
MTL4549Y          2ch 4-20mA smart isolating driver + oc LFD   

Temperature Input   MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4575            1ch Temperature converter with alarm
MTL4576-RTD     2ch Temperature converter, RTD   
MTL4576-THC     2ch Temperature converter, THC   
MTL4581            1ch mV/THC isolator for low-level signals     

Pulse and Vibration   MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4531            1ch vibration probe interface
MTL4532            1ch pulse isolator, digital or analogue output         
MTL4533            2ch vibration probe interface

Fire and Smoke   MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4561            2ch loop-powered, for fire and smoke detectors  

General             MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4599             Dummy isolator      
MTL4599N           General purpose feed-through module


MTL4500 Series Barriers     MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


MTL4501-SR, MTL4504, MTL4510, MTL4510B, MTL4511, MTL4513, MTL4514 (B)(D), MTL4516, MTL4516C, MTL4517, MTL4521, MTL4521L, MTL4523, MTL4523L, MTL4523R, MTL4523V, MTL4523VL, MTL4524, MTL4524S, MTL4525, MTL4526, MTL4531, MTL4532, MTL4533, MTL4541, MTL4541A, MTL4541AS, MTL4541B, MTL4541P, MTL4541S, MTL4541T, MTL4544, MTL4544A, MTL4544AS, MTL4544B, MTL4544D, MTL4544S, MTL4546, MTL4546C, MTL4546S, MTL4546Y, MTL4549, MTL4549C, MTL4549Y, MTL4561, MTL4575, MTL4576-RTD, MTL4576-THC, MTL4581

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL5501-SR, MTL5510, MTL5510B, MTL5511, MTL5513, MTL5514, MTL5514D, MTL5516C, MTL5517, MTL5521, MTL5522, MTL5523, MTL5523V, MTL5523VL, MTL5524, MTL5525, MTL5526, MTL5531, MTL5532, MTL5533, MTL5541, MTL5541A, MTL5541AS, MTL5541S, MTL5544, MTL5544A, MTL5544AS, MTL5544D, MTL5544S, MTL5546, MTL5546Y, MTL5549, MTL5549Y, MTL5561, MTL5575, MTL5576-RTD, MTL5576-THC, MTL5581, MTL5582 MTL5544D MTL5575 MTL5516C MTL4541 MTL5541 MTL5546Y ICC212 IOP32 IOP32D


MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL7706+ MTL7707+ MTL7707P+ MTL7710+ MTL7715+ MTL7715P+ MTL7722+ MTL7728+ MTL7728- MTL7728AC MTL7728P+ MTL7729P+ MTL7741 MTL7742 MTL7743 MTL7744 MTL7745 MTL7755AC MTL7756AC MTL7758- MTL7758+ MTL7760AC MTL7761AC MTL7761PAC MTL7764+ MTL7764AC MTL7765AC MTL7766AC MTL7766PAC MTL7767+ MTL7778AC MTL7779+ MTL7787+ MTL7787- MTL7787P+ MTL7788+ MTL7788R+ MTL7789+ MTL7796- MTL7796+ MTL7798 MTL7799 MTL705+ MTL706+ MTL707+ MTL707P+ MTL708+ MTL710+ MTL710AC MTL710P+ MTL715+ MTL715P+ MTL722+ MTL722P+ MTL728+ MTL728AC MTL728P+ MTL729P+ MTL751AC MTL755AC MTL758+ MTL760AC MTL761AC MTL761PAC MTL764+ MTL764AC MTL765AC MTL766AC MTL766PAC MTL767+ MTL768+ MTL772AC MTL778AC MTL779+ MTL786+ MTL787+ MTL787S+ MTL787SP+ MTL788+ MTL788R+ MTL791 MTL796+ MTL799

ICC     MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

ICC201-I1-O1 ICC201-I1-O2 ICC201-I2-O1 ICC201-I2-O2 ICC201-I2-O2 ICC211-I1-O2 ICC211-I2-O1 ICC211-I2-O2 ICC212 ICC221
 ICC222 ICC241-T3 ICC241-T1 ICC241-T2 ICC301-I9-O1 ICC312 ICC316-T2 ICC317-T2-LFD ICC352-T1 ICC352-T2 ICC441 ICC446

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4510 MTL4510B MTL4511 MTL4513 MTL4514 MTL4514B MTL4514D MTL4516 MTL4516C MTL4517 MTL4521 MTL4521L MTL4523 MTL4524R MTL4523L MTL4524 MTL4524S MTL4524 MTL4526 MTL4531 MTL4532 MTL4541 MTL4541A MTL4541B MTL4544 MTL4544A MTL4544D MTL4544S MTL4546Y MTL4549 MTL4549Y MTL4546 MTL4573 MTL4575 MTL4576-RTD MTL4576-THC MTL4581 MTL4599 MTL4599N

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


MTL5510 MTL5510B MTL5511 MTL5513 MTL5514 MTL5514D MTL5516C MTL5517 MTL5521 MTL5522 MTL5523 MTL5523V MTL5523VL MTL5524 MTL5525 MTL5526 MTL5531 MTL5532 MTL5533 MTL5541 MTL5541AS MTL5541S MTL5544 MTL5544A MTL5544AS MTL5544D MTL5544S MTL5546 MTL5546Y MTL5549 MTL5549Y MTL5561 MTL5573 MTL5575 MTL5576-RTD MTL5576-THC MTL5581 MTL5582 MTL5599 MTL5314 MTL5501-SR MTL5510 MTL5510B MTL5511 MTL5513 MTL5514 MTL5516C MTL5517 MTL5521 MTL5522 MTL5523 MTL5524 MTL5525 MTL5526 MTL5531 MTL5532 MTL5533 MTL5541 MTL5541A MTL5541AS MTL5541S MTL5544 MTL5544A MTL5544AS MTL5544D MTL5544S

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4501-SR MTL4504 MTL4510 MTL4510B MTL4511 MTL4513 MTL4514 MTL4516 MTL4516C MTL4517 MTL4521 MTL4521L MTL4523 MTL4523R MTL4523L MTL4524 MTL4524S MTL4525 MTL4526 MTL4531 MTL4532 MTL4533 MTL4541 MTL4541A MTL4541AS MTL4541B MTL4541P MTL4541S MTL4544 MTL4544A MTL4544AS MTL4544B MTL4544D MTL4544S MTL4546 MTL4546C MTL4546Y MTL4549 MTL4549C MTL4549Y MTL4561 MTL4575 MTL4576-RTD MTL4576-THC MTL4599 MTL4599N

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL7706+ MTL7707+ MTL7707P+ MTL7710+ MTL7715+ MTL7715P+ MTL7722+ MTL7728+ MTL7728- MTL7728AC MTL7728P+ MTL7729P+ MTL7741 MTL7742 MTL7743 MTL7744 MTL7745 MTL7755AC MTL7756AC MTL7758- MTL7758+ MTL7760AC MTL7761AC MTL7761PAC MTL7764+ MTL7764AC MTL7765AC MTL7766AC MTL7766PAC MTL7767+ MTL7778AC MTL7779+ MTL7787+ MTL7787- MTL7787P+ MTL7788+ MTL7788R+ MTL7789+ MTL7796- MTL7796+ MTL7798 MTL7799 MTL705+ MTL706+ MTL707+ MTL707P+ MTL708+ MTL710+ MTL710AC MTL710P+ MTL715+ MTL715P+ MTL722+ MTL722P+ MTL728+ MTL728AC MTL728P+ MTL729P+ MTL751AC MTL755AC MTL758+ MTL760AC MTL761AC MTL761PAC MTL764+ MTL764AC MTL765AC MTL766AC MTL766PAC MTL767+ MTL768+ MTL772AC MTL778AC MTL779+ MTL786+ MTL787+ MTL787S+ MTL787SP+ MTL788+ MTL788R+ MTL791 MTL796+ MTL799

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

SD07 SD16 SD32 SD55 SD07X SD16X SD32X SD55X SD150X SD275X SD07R SD16R SD32R SD55R SD07R3 SD16R3 SD32R3 SD55R3 SDRTD SD32T3 SDPSTN SLP07D SLP16D SLP32D MA15/D/1/SI MA15/D/2/SI MA15/D/1TT/SI MA15/D/2TT/L MA30/D/1/SI MA30/D/2/SI MA30/D/3/SI MA05/D/1 MA05/D/2 MA10/D/1 MA10/D/2 MA05/SC/1 MA05/SC/2 MA10/SC/1 MA10/SC/2 MA05/I/1 MA05/I/2 MA10/I/1 MA10/I/2

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


TP48-N TP48-N-NDI TP48-I TP48-I-NDI TP48-G TP48-G-NDI TP48-3-N-NDI TP48-3-I-NDI TP48-3-G-NDI TP48-3-N TP48-3-I TP48-3-G TP48-4-N-NDI TP48-4-I-NDI TP48-4-G-NDI TP48-4-N TP48-4-I TP48-4-G ICC201-I1-O1 ICC201-I1-O2 ICC201-I2-O1 ICC201-I2-O2 ICC201-I2-O2 ICC211-I1-O2 ICC211-I2-O1 ICC211-I2-O2 ICC212 ICC221 ICC222 ICC241-T3 ICC241-T1 ICC241-T2 ICC301-I9-O1 ICC312 ICC316-T2 ICC317-T2-LFD ICC352-T1 ICC352-T2 ICC441 ICC446

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


MTL5011B MTL5012 MTL5012S MTL5014 MTL5015 MTL5017 MTL5018 MTL5018AC MTL5021 MTL5021-SR MTL5022 MTL5022-SR MTL5023 MTL5024 MTL5025 MTL5025-SR MTL5031 MTL5032 MTL5040 MTL5041 MTL5042 MTL5042-SR MTL5043 MTL5044 MTL5045 MTL5046 MTL5049 MTL5051 MTL5061 MTL5061-SR MTL5074 MTL5074-RTD MTL5081 MTL5082 MTL5099 MTL5314 MTL5344 MTL5349 MTL5531-111LI MTL5531-115LI MTL5991 MPA5500 MTL5501-SR MTL5510 MTL5510B MTL5511 MTL5513 MTL5514 MTL5514D MTL5516C MTL5517 MTL5521 MTL5522 MTL5523 MTL5523V MTL5523VL MTL5524 MTL5525 MTL5526 MTL5531 MTL5532 MTL5532-R MTL5533 MTL5541 MTL5541A MTL5541AS MTL5541S MTL5544 MTL5544A MTL5544AS MTL5544D MTL5544S MTL5546 MTL5546Y MTL5549 MTL5549Y MTL5561 MTL5573 MTL5575 MTL5575-R MTL5576-RTD MTL5576-THC MTL5581 MTL5582 MTL5599

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


MTL5510 MTL5510B MTL5511 MTL5513 MTL5514 MTL5514D MTL5516C MTL5517 MTL5521 MTL5522 MTL5523 MTL5523V MTL5523VL MTL5524 MTL5525 MTL5526 MTL5531 MTL5532 MTL5533 MTL5541 MTL5541AS MTL5541S MTL5544 MTL5544A MTL5544AS MTL5544D MTL5544S MTL5546 MTL5546Y MTL5549 MTL5549Y MTL5561 MTL5573 MTL5575 MTL5576-RTD MTL5576-THC MTL5581 MTL5582 MTL5599 MTL5314 MTL5011B MTL5014 MTL5022 MTL5024 MTL5031 MTL5042 MTL5042 MTL5046 MTL5074 MTL5082

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived

MTL4510 MTL4510B MTL4511 MTL4513 MTL4514 MTL4514B MTL4514D MTL4516 MTL4516C MTL4517 MTL4521 MTL4521L  MTL4523 MTL4524R MTL4523L MTL4524 MTL4524S MTL4524 MTL4526 MTL4531 MTL4532 MTL4541 MTL4541A MTL4541B MTL4544 MTL4544A MTL4544D MTL4544S MTL4546Y MTL4549 MTL4549Y MTL4546 MTL4573 MTL4575 MTL4576-RTD MTL4576-THC MTL4581 MTL4599 MTL4599N

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


HAZ1-3 HAZ4-6 SAF1-3 SAF4-6 SAF7-9 SAF10-12 PWR5000 HAZ-CJC TAG57 TGL57 PB-8T PB-16T PB-24T PB-32T IMB57 MLTHR2 ERB57S ERB57O ERL7 MLETM7 MS010 TH5000 PCS45 PCL45USB DX070 DX170 BMK08 BMK16 DMK01 DMP08 DVK16 MCC45 MCK45 SCK45 MPL01 PCL45USB PCS45 CPM08 CPM16U CPM32U CPS04 CGS08 CPS08 CPS16 CPS16C-250 CPS24 CPS16C BPS04 BPS08 ERK04 ERK06 ERK08 ERK16 HMP24 SVK16 TSK08 TSK16 TSK24

MTL7755AC Shunt-Diode Safety Barriers MTL7755AC Isolated Barriers Brand Original New Arrived


We are specialized in intelligent instruments, including : Transmitters, Flowmeters, Analyzers,Communicators, Safety Barriers, Sensors,Gas Detectors, PLC(DCS), Multimeters, Calibrators, Communicators, Recorder, Inverters, Positioners, Valves, Soft Starters, Circuit Breakers, Contactors, Rail Switches, Power Supply, HMI, Terminal Block, Relay etc.


We mainly supply Yokogawa,Emerson, Rosemount,Fisher,Honeywell,Siemens, ABB,FLUKE, Schneider Electric, Pepperl+Fuchs,MTL,Rockwell(Allen Bradley), Hirschmann, Eaton ,Moeller,FUJI,Omron, Yaskawa,Norgren,CHINT,Hach,Weidmuller,Phoenix, SMC,Testo, ASCO,Parker,Mitsubishi, Festo,GE, CISCO,Auma,IFM,GM,Turck,MOXA, Foxboro, Krohne, Swagelok, LS, Advantech, Dwyer,Endress Hauser, Bently Nevada etc.



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