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The MTL7700 range of barriers protect devices located in all normally occurring explosive atmospheres, including air/flammable gas mixtures, dusts and fibres. Applications covered include the protection of installations incorporating uncertified devices (‘simple apparatus’) such as thermocouples, switches and resistive sensors, or separately certified ‘energy storing’ (or ‘voltage producing’) apparatus including ac sensors, transmitters and current-to-pneumatic (I/P) converters.
Model No. | Safety descriptiona | Polarities available | Application | Basic circuit | Max. end-to-end resistance | Vwkg at 10μA or (1μA) | Vmax | Fuse rating | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MTL | V | Ω | mA | + | - | ac | Hazardous | Safe | Ω | V | V | mA | |
7706+ | 28 | 300 | 93 | ✔ | Transmitters | See additional specification | 35 | 50 | |||||
7707+ | 28 | 300 | 93 | ✔ | Switches | 35 | 50 | ||||||
28 | diode | 35 | 50 | ||||||||||
7707P+ | 28 | 164 | 171 | ✔ | Transmitters, Switches, Controller outputs IIB | 35 | 50 | ||||||
28 | diode | - | 35 | 50 | |||||||||
7710+ | 10 | 50 | 200 | ✔ | 6V DC [&] 4V AC systems | ![]() |
75 | 6.0 | 7.0 | 50 | |||
7715+ | 15 | 100 | 150 | ✔ | 12 V systems | 119 | 12.0 | 13.1 | 100 | ||||
7715P+ | 15 | 50 | 291 | ✔ | 12 V DC systems | 64 | 12.3 | 13.4 | 100 | ||||
7722+ | 22 | 150 | 147 | ✔ | 18 V DC systems | 174 | 19.6 | 20.2 | 50 | ||||
7728+ | 28 | 300 | 93 | ✔ | Controller outputs, solenoids | 333 | 25.9 | 26.5 | 50 | ||||
7728- | 28 | 300 | 93 | ✔ | Transmitters | 333 | 25.9 | 26.5 | 50 | ||||
7728ac | 28 | 300 | 93 | ✔ | Controller outputs, solenoid valves | 333 | 25.0 | 25.9 | 50 | ||||
7728P+ | 28 | 234 | 119 | ✔ | Controller outputs, solenoid valves IIB | 252 | 24.9 | 25.9 | 100 | ||||
774X | 10 | - | 19 | Prox sw input, solid state output and line fault detect | - | - | 30/35 | 50 | |||||
7755ac | 3 | 10 | 300 | ✔ | 2- or 3- Wire RTDs (floating bridge) | ![]() |
19.0 | (1) | 3.4 | 250 | |||
3 | 10 | 300 | ✔ | 19.0 | (1) | 3.4 | 250 | ||||||
7756ac | 3 | 10 | 300 | ✔ | 3- Wire RTDs (grounded bridge) | ![]() |
19.0 | (0.7) | 2.7 | 250 | |||
3 | 10 | 300 | ✔ | 19.0 | (0.7) | 2.7 | 250 | ||||||
3 | 10 | 300 | ✔ | 19.0 | (0.7) | 2.7 | 250 | ||||||
7758+/- | 7.5 | 10 | 750 | ✔ | ✔ | Gas detectorsu | 17 | 6.0 | 7.3 | 200 | |||
7.5 | 10 | 750 | ![]() |
17 | 6.0 | 7.3 | 200 | ||||||
7761ac | 9 | 90 | 100 | ✔ | 107 | 6.0 | 7.0 | 100 | |||||
9 | 90 | 100 | 107 | 6.0 | 7.0 | 100 | |||||||
7761Pac | 9 | 350 | 26 | ✔ | Strain-gauge bridges | 378 | 6.8 | 7.5 | 50 | ||||
9 | 350 | 26 | 107 | 6.0 | 7.0 | 100 | |||||||
7764+/ac | 12 | 1k | 12 | ✔ | ✔ | Strain-gauge bridges | 1050 | 10.0 | 10.9 | 50 | |||
12 | 1k | 12 | 1050 | 10.0 | 10.9 | 100 | |||||||
7766ac | 12 | 150 | 80 | ✔ | 174 | 10.0 | 10.6 | 50 | |||||
12 | 150 | 80 | 174 | 10.0 | 10.6 | 50 | |||||||
7766Pac | 12 | 75 | 157 | ✔ | Strain-gauge bridges | 92 | 9.6 | 10.5 | 100 | ||||
12 | 75 | 157 | Strain-gauge bridges | 92 | 9.6 | 10.5 | 100 | ||||||
7767+ | 15 | 100 | 150 | ✔ | 12 V dc systems | 119 | 12.0 | 13.1 | 100 | ||||
15 | 100 | 150 | 12 V dc systems | 119 | 12.0 | 13.1 | 100 | ||||||
7779+ | 28 | 300 | 93 | ✔ | Controller outputs | Requires channels separate in IIC | 333 | 25.9 | 26.5 | 50 | |||
28 | 300 | 93 | Controller outputs | 333 | 25.9 | 26.5 | 50 | ||||||
7796+ | 26 | 300 | 87 | ✔ | Vibration probes | 333 | 23.9 | 24.5 | 50 | ||||
20 | 390 | 51 | 428 | 18.3 | 18.9 | 50 | |||||||
7796- | 26 | 300 | 87 | ✔ | Vibration probes | 333 | 23.9 | 24.5 | 50 | ||||
20 | 390 | 51 | 428 | 18.3 | 18.9 | 50 | |||||||
7760ac | 10 | 50 | 200 | ✔ | Active dc [&] ac sensors Thermocouples | ![]() |
75 | 6.0 | 6.7 | 50 | |||
10 | 50 | 200 | 75 | 6.0 | 6.7 | 50 | |||||||
7765ac | 15 | 100 | 150 | ✔ | 124 | 12.0 | 12.5 | 50 | |||||
15 | 100 | 150 | 124 | 12.0 | 12.5 | 50 | |||||||
7778ac | 28 | 600 | 47 | ✔ | 651 | 24.0 | 25.4 | 50 | |||||
28 | 600 | 47 | 651 | 24.0 | 25.4 | 50 | |||||||
7789+ | 28 | 300 | 93 | ✔ | Switch inputs / Signal returns | ![]() |
651 | 26.6 | 27.2 | 50 | |||
651 | 26.6 | 27.2 | 50 | ||||||||||
28 | diode | - | 0.9V+26Ω | 26.6 | 27.2 | 50 | |||||||
28 | diode | - | 0.9V+26Ω | 26.6 | 27.2 | 50 | |||||||
7787+/- | 28 | 300 | 93 | ✔ | ✔ | Transmitters, Controller outputs, Switches | ![]() |
333 | 26.6 | 27.2 | 50 | ||
28 | diode | - | 0.9V+21Ω | 26.6 | 27.2 | 50 | |||||||
7787P+/- | 28 | 234 | 119 | ✔ | 253 | 26.4 | 27.2 | 80 | |||||
28 | diode | - | 0.9V+21Ω | 26.4 | 27.2 | 80 | |||||||
7788+ | 28 | 300 | 93 | ✔ | ![]() |
333 | 25.9 | 26.5 | 50 | ||||
10 | 50 | 200 | ✔ | Transmitters | 75 | 6.0 | 7.0 | 50 | |||||
7788R+/- | 28 | 300 | 93 | ✔ | 333 | 25.9 | 26.5 | 50 | |||||
10 | 50 | 200 | ✔ | 75 | 6.0 | 7.0 | 50 |
Module No. | Bussed Power | MTL7000 Equivalent | MTL7000 Original Certificate Number | MTL7000 ATEX Certificate Number | MTL700 Equivalent | MTL700 Original Certificate Number | MTL700 ATEX Certificate Number | Typical Application |
---|---|---|---|---|---|---|---|---|
MTL7710+ | No | Połowa MTL7162+ | Ex95C2261 | BAS99ATEX7285 | MTL710+ | Ex832452 | BAS01ATEX7202 | systems 4/6V |
MTL7715+ | No | N/A | N/A | N/A | MTL715+ | Ex832452 | BAS01ATEX7202 | systems 12V |
MTL7715P+ | No | N/A | N/A | N/A | MTL715P+ | Ex92C2373 | BAS01ATEX7202 | systems 12V |
MTL7722+ | No | MTL7122+ | Ex95C2261 | BAS99ATEX7285 | MTL722+ | Ex832452 | BAS01ATEX7202 | General purpose |
MTL7728+/- | No | MTL7028+/- MTL7128+/- |
Ex95C2261 | BAS99ATEX7285 | MTL728+/- | Ex832452 | BAS01ATEX7202 | Analogue/Digital |
MTL7728ac | No | N/A | N/A | N/A | MTL728ac | Ex832452 | BAS01ATEX7202 | General purpose |
MTL7728P+ | No | MTL7128P+ | Ex95C2261 | BAS99ATEX7285 | MTL728P+ | Ex92C2373 | BAS01ATEX7202 | Analogue/Digital |
MTL7755ac | No | MTL7055ac | Ex95C2261 | BAS99ATEX7285 | MTL755ac | Ex832452 | BAS01ATEX7202 | RTD, grounded |
MTL7756ac | No | MTL7056ac | Ex95C2261 | BAS99ATEX7285 | N/A | N/A | N/A | RTD, grounded |
MTL7758+/- | No | N/A | N/A | N/A | MTL758 | Ex83453 | BAS01ATEX7217 | Active sensors |
MTL7760ac | No | N/A | N/A | N/A | MTL760ac | Ex832452 | BAS01ATEX7202 | Active sensors, thermocouples |
MTL7761ac | No | MTL7261ac | Ex95C2261 | BAS99ATEX7285 | MTL761ac | Ex832452 | BAS01ATEX7202 | Strain gauges |
MTL7761Pac | No | MTL7061Pac MTL7161Pac |
Ex95C2261 | BAS99ATEX7285 | MTL761Pac | Ex92C2373 | BAS01ATEX7202 | Load cell |
MTL7764+ | No | MTL7164+ | Ex95C2261 | BAS99ATEX7285 | MTL764+ | Ex832452 | BAS01ATEX7202 | High resistance |
MTL7764ac | No | MTL7264ac | Ex95C2261 | BAS99ATEX7285 | MTL764ac | Ex832452 | BAS01ATEX7202 | Strain/Level gauges |
MTL7765ac | No | N/A | N/A | N/A | MTL765ac | Ex832452 | BAS01ATEX7202 | General purpose |
MTL7766ac | No | N/A | N/A | N/A | MTL766ac | Ex832452 | BAS01ATEX7202 | Strain gauges |
MTL7766Pac | No | MTL7066Pac MTL7166Pac |
Ex95C2261 | BAS99ATEX7285 | MTL766Pac | Ex92C2373 | BAS01ATEX7202 | Strain gauges |
MTL7767+ | No | MTL7167+ | Ex95C2261 | BAS99ATEX7285 | MTL767+ | Ex832452 | BAS01ATEX7202 | Dual MTL715 |
MTL7779+ | No | N/A | N/A | N/A | MTL779+ | Ex832452 | BAS01ATEX7202 | Dual MTL728 |
MTL7787+/- | Yes | MTL7087+ MTL7187+ |
Ex95C2261 | BAS99ATEX7285 | MTL787S+ | Ex92C2373 | BAS01ATEX7202 | Analogue/Digital |
MTL7787P+ | Yes | MTL7087P+ MTL7187P+ |
Ex95C2261 | BAS99ATEX7285 | MTL787SP+ | Ex92C2373 | BAS01ATEX7202 | Analogue/Digital |
MTL7788+ | Yes | N/A | N/A | N/A | MTL788+ | Ex832452 | BAS01ATEX7202 | Transmitters |
MTL7788R+ | Yes | N/A | N/A | N/A | MTL788R+ | Ex832452 | BAS01ATEX7202 | systems 1-5V |
MTL7796+/- | No | MTL7096- MTL7196- |
Ex95C2261 | BAS99ATEX7285 | MTL796+/- | Ex832452 | BAS01ATEX7202 | Vibration probes |
Are you interested in this product? Do you need additional information or individual pricing?
The MTL7700 range of barriers protect devices located in all normally occurring explosive atmospheres, including air/flammable gas mixtures, dusts and fibres. Applications covered include the protection of installations incorporating uncertified devices (‘simple apparatus’) such as thermocouples, switches and resistive sensors, or separately certified ‘energy storing’ (or ‘voltage producing’) apparatus including ac sensors, transmitters and current-to-pneumatic (I/P) converters.
Model No. | Safety descriptiona | Polarities available | Application | Basic circuit | Max. end-to-end resistance | Vwkg at 10μA or (1μA) | Vmax | Fuse rating | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MTL | V | Ω | mA | + | - | ac | Hazardous | Safe | Ω | V | V | mA | |
7706+ | 28 | 300 | 93 | ✔ | Transmitters | See additional specification | 35 | 50 | |||||
7707+ | 28 | 300 | 93 | ✔ | Switches | 35 | 50 | ||||||
28 | diode | 35 | 50 | ||||||||||
7707P+ | 28 | 164 | 171 | ✔ | Transmitters, Switches, Controller outputs IIB | 35 | 50 | ||||||
28 | diode | - | 35 | 50 | |||||||||
7710+ | 10 | 50 | 200 | ✔ | 6V DC [&] 4V AC systems | ![]() |
75 | 6.0 | 7.0 | 50 | |||
7715+ | 15 | 100 | 150 | ✔ | 12 V systems | 119 | 12.0 | 13.1 | 100 | ||||
7715P+ | 15 | 50 | 291 | ✔ | 12 V DC systems | 64 | 12.3 | 13.4 | 100 | ||||
7722+ | 22 | 150 | 147 | ✔ | 18 V DC systems | 174 | 19.6 | 20.2 | 50 | ||||
7728+ | 28 | 300 | 93 | ✔ | Controller outputs, solenoids | 333 | 25.9 | 26.5 | 50 | ||||
7728- | 28 | 300 | 93 | ✔ | Transmitters | 333 | 25.9 | 26.5 | 50 | ||||
7728ac | 28 | 300 | 93 | ✔ | Controller outputs, solenoid valves | 333 | 25.0 | 25.9 | 50 | ||||
7728P+ | 28 | 234 | 119 | ✔ | Controller outputs, solenoid valves IIB | 252 | 24.9 | 25.9 | 100 | ||||
774X | 10 | - | 19 | Prox sw input, solid state output and line fault detect | - | - | 30/35 | 50 | |||||
7755ac | 3 | 10 | 300 | ✔ | 2- or 3- Wire RTDs (floating bridge) | ![]() |
19.0 | (1) | 3.4 | 250 | |||
3 | 10 | 300 | ✔ | 19.0 | (1) | 3.4 | 250 | ||||||
7756ac | 3 | 10 | 300 | ✔ | 3- Wire RTDs (grounded bridge) | ![]() |
19.0 | (0.7) | 2.7 | 250 | |||
3 | 10 | 300 | ✔ | 19.0 | (0.7) | 2.7 | 250 | ||||||
3 | 10 | 300 | ✔ | 19.0 | (0.7) | 2.7 | 250 | ||||||
7758+/- | 7.5 | 10 | 750 | ✔ | ✔ | Gas detectorsu | 17 | 6.0 | 7.3 | 200 | |||
7.5 | 10 | 750 | ![]() |
17 | 6.0 | 7.3 | 200 | ||||||
7761ac | 9 | 90 | 100 | ✔ | 107 | 6.0 | 7.0 | 100 | |||||
9 | 90 | 100 | 107 | 6.0 | 7.0 | 100 | |||||||
7761Pac | 9 | 350 | 26 | ✔ | Strain-gauge bridges | 378 | 6.8 | 7.5 | 50 | ||||
9 | 350 | 26 | 107 | 6.0 | 7.0 | 100 | |||||||
7764+/ac | 12 | 1k | 12 | ✔ | ✔ | Strain-gauge bridges | 1050 | 10.0 | 10.9 | 50 | |||
12 | 1k | 12 | 1050 | 10.0 | 10.9 | 100 | |||||||
7766ac | 12 | 150 | 80 | ✔ | 174 | 10.0 | 10.6 | 50 | |||||
12 | 150 | 80 | 174 | 10.0 | 10.6 | 50 | |||||||
7766Pac | 12 | 75 | 157 | ✔ | Strain-gauge bridges | 92 | 9.6 | 10.5 | 100 | ||||
12 | 75 | 157 | Strain-gauge bridges | 92 | 9.6 | 10.5 | 100 | ||||||
7767+ | 15 | 100 | 150 | ✔ | 12 V dc systems | 119 | 12.0 | 13.1 | 100 | ||||
15 | 100 | 150 | 12 V dc systems | 119 | 12.0 | 13.1 | 100 | ||||||
7779+ | 28 | 300 | 93 | ✔ | Controller outputs | Requires channels separate in IIC | 333 | 25.9 | 26.5 | 50 | |||
28 | 300 | 93 | Controller outputs | 333 | 25.9 | 26.5 | 50 | ||||||
7796+ | 26 | 300 | 87 | ✔ | Vibration probes | 333 | 23.9 | 24.5 | 50 | ||||
20 | 390 | 51 | 428 | 18.3 | 18.9 | 50 | |||||||
7796- | 26 | 300 | 87 | ✔ | Vibration probes | 333 | 23.9 | 24.5 | 50 | ||||
20 | 390 | 51 | 428 | 18.3 | 18.9 | 50 | |||||||
7760ac | 10 | 50 | 200 | ✔ | Active dc [&] ac sensors Thermocouples | ![]() |
75 | 6.0 | 6.7 | 50 | |||
10 | 50 | 200 | 75 | 6.0 | 6.7 | 50 | |||||||
7765ac | 15 | 100 | 150 | ✔ | 124 | 12.0 | 12.5 | 50 | |||||
15 | 100 | 150 | 124 | 12.0 | 12.5 | 50 | |||||||
7778ac | 28 | 600 | 47 | ✔ | 651 | 24.0 | 25.4 | 50 | |||||
28 | 600 | 47 | 651 | 24.0 | 25.4 | 50 | |||||||
7789+ | 28 | 300 | 93 | ✔ | Switch inputs / Signal returns | ![]() |
651 | 26.6 | 27.2 | 50 | |||
651 | 26.6 | 27.2 | 50 | ||||||||||
28 | diode | - | 0.9V+26Ω | 26.6 | 27.2 | 50 | |||||||
28 | diode | - | 0.9V+26Ω | 26.6 | 27.2 | 50 | |||||||
7787+/- | 28 | 300 | 93 | ✔ | ✔ | Transmitters, Controller outputs, Switches | ![]() |
333 | 26.6 | 27.2 | 50 | ||
28 | diode | - | 0.9V+21Ω | 26.6 | 27.2 | 50 | |||||||
7787P+/- | 28 | 234 | 119 | ✔ | 253 | 26.4 | 27.2 | 80 | |||||
28 | diode | - | 0.9V+21Ω | 26.4 | 27.2 | 80 | |||||||
7788+ | 28 | 300 | 93 | ✔ | ![]() |
333 | 25.9 | 26.5 | 50 | ||||
10 | 50 | 200 | ✔ | Transmitters | 75 | 6.0 | 7.0 | 50 | |||||
7788R+/- | 28 | 300 | 93 | ✔ | 333 | 25.9 | 26.5 | 50 | |||||
10 | 50 | 200 | ✔ | 75 | 6.0 | 7.0 | 50 |
Module No. | Bussed Power | MTL7000 Equivalent | MTL7000 Original Certificate Number | MTL7000 ATEX Certificate Number | MTL700 Equivalent | MTL700 Original Certificate Number | MTL700 ATEX Certificate Number | Typical Application |
---|---|---|---|---|---|---|---|---|
MTL7710+ | No | Połowa MTL7162+ | Ex95C2261 | BAS99ATEX7285 | MTL710+ | Ex832452 | BAS01ATEX7202 | systems 4/6V |
MTL7715+ | No | N/A | N/A | N/A | MTL715+ | Ex832452 | BAS01ATEX7202 | systems 12V |
MTL7715P+ | No | N/A | N/A | N/A | MTL715P+ | Ex92C2373 | BAS01ATEX7202 | systems 12V |
MTL7722+ | No | MTL7122+ | Ex95C2261 | BAS99ATEX7285 | MTL722+ | Ex832452 | BAS01ATEX7202 | General purpose |
MTL7728+/- | No | MTL7028+/- MTL7128+/- |
Ex95C2261 | BAS99ATEX7285 | MTL728+/- | Ex832452 | BAS01ATEX7202 | Analogue/Digital |
MTL7728ac | No | N/A | N/A | N/A | MTL728ac | Ex832452 | BAS01ATEX7202 | General purpose |
MTL7728P+ | No | MTL7128P+ | Ex95C2261 | BAS99ATEX7285 | MTL728P+ | Ex92C2373 | BAS01ATEX7202 | Analogue/Digital |
MTL7755ac | No | MTL7055ac | Ex95C2261 | BAS99ATEX7285 | MTL755ac | Ex832452 | BAS01ATEX7202 | RTD, grounded |
MTL7756ac | No | MTL7056ac | Ex95C2261 | BAS99ATEX7285 | N/A | N/A | N/A | RTD, grounded |
MTL7758+/- | No | N/A | N/A | N/A | MTL758 | Ex83453 | BAS01ATEX7217 | Active sensors |
MTL7760ac | No | N/A | N/A | N/A | MTL760ac | Ex832452 | BAS01ATEX7202 | Active sensors, thermocouples |
MTL7761ac | No | MTL7261ac | Ex95C2261 | BAS99ATEX7285 | MTL761ac | Ex832452 | BAS01ATEX7202 | Strain gauges |
MTL7761Pac | No | MTL7061Pac MTL7161Pac |
Ex95C2261 | BAS99ATEX7285 | MTL761Pac | Ex92C2373 | BAS01ATEX7202 | Load cell |
MTL7764+ | No | MTL7164+ | Ex95C2261 | BAS99ATEX7285 | MTL764+ | Ex832452 | BAS01ATEX7202 | High resistance |
MTL7764ac | No | MTL7264ac | Ex95C2261 | BAS99ATEX7285 | MTL764ac | Ex832452 | BAS01ATEX7202 | Strain/Level gauges |
MTL7765ac | No | N/A | N/A | N/A | MTL765ac | Ex832452 | BAS01ATEX7202 | General purpose |
MTL7766ac | No | N/A | N/A | N/A | MTL766ac | Ex832452 | BAS01ATEX7202 | Strain gauges |
MTL7766Pac | No | MTL7066Pac MTL7166Pac |
Ex95C2261 | BAS99ATEX7285 | MTL766Pac | Ex92C2373 | BAS01ATEX7202 | Strain gauges |
MTL7767+ | No | MTL7167+ | Ex95C2261 | BAS99ATEX7285 | MTL767+ | Ex832452 | BAS01ATEX7202 | Dual MTL715 |
MTL7779+ | No | N/A | N/A | N/A | MTL779+ | Ex832452 | BAS01ATEX7202 | Dual MTL728 |
MTL7787+/- | Yes | MTL7087+ MTL7187+ |
Ex95C2261 | BAS99ATEX7285 | MTL787S+ | Ex92C2373 | BAS01ATEX7202 | Analogue/Digital |
MTL7787P+ | Yes | MTL7087P+ MTL7187P+ |
Ex95C2261 | BAS99ATEX7285 | MTL787SP+ | Ex92C2373 | BAS01ATEX7202 | Analogue/Digital |
MTL7788+ | Yes | N/A | N/A | N/A | MTL788+ | Ex832452 | BAS01ATEX7202 | Transmitters |
MTL7788R+ | Yes | N/A | N/A | N/A | MTL788R+ | Ex832452 | BAS01ATEX7202 | systems 1-5V |
MTL7796+/- | No | MTL7096- MTL7196- |
Ex95C2261 | BAS99ATEX7285 | MTL796+/- | Ex832452 | BAS01ATEX7202 | Vibration probes |
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