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MTL5000|MTL5500 Series, MTL4000|MTL4500 Series Isolators

Categories MTL Safety Barriers&Isolators
Place of Origin: UK
Brand Name: MTL
MOQ: 10 Pcs
Packaging Details: carton
Delivery Time: in stock
Payment Terms: T/T payment
Supply Ability: 300 pcs
Price: according to the purchase quantity
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MTL5000|MTL5500 Series, MTL4000|MTL4500 Series Isolators

Choosing an isolator, MTL Instruments

The following guide is for users who require guidance on their choice of isolator for a new installation. For a given application the choice is between DIN-rail mounting (MTL5000/MTL5500 Series) and backplane mounting (MTL4000/MTL4500 Series) devices.

If additional guidance is required, contact your local MTL representative.

Analogue Inputs (high level)
  • 2-wire transmitters, 4-20mA conventional and 'smart'
  • vibration transducer
  • loop isolator
Analogue Inputs (low level)
  • thermocouples and mV sources
  • 2, 3 and 4-wire RTDs
  • strain-gauge bridges
Analogue Outputs
  • controller outputs (I/P converters)
Digital (ON/OFF) Inputs
  • switches/proximity detectors
Digital (ON/OFF) Outputs
  • switches, proximity detectors, SIL3
  • alarms, LEDs, solenoid valves, etc.
  • switch output to hazardous area
Pulse Input
  • turbine/flowmeters
Miscellaneous
  • fire/smoke detectors
  • signal transfer
  • trip amplifiers
  • earth leakage detector

Analogue Input - 2-wire transmitters, 4-20mA conventional and 'smart'

Device
No. of
channels
Output to
hazardous area
Important features
DIN-rail mounting devices
MTL5541

1

16.5V min.
@ 20mA
Compatible with most smart transmitters
MTL5541A18.6V diode4 wire smart transmitters
MTL5541AS18.6V diode4 wire smart transmitters, current sink output
MTL55442
16.5V min
@ 20mA
Compatible with most smart transmitters
MTL5544A28.6V diode4 wire smart transmitters
MTL5544AS28.6V diode4 wire smart transmitters, current sink output
MTL5544D116.5V min
@ 20mA
Compatible with most smart transmitters, repeat output
MTL5544S216.5V min
@ 20mA
Compatible with most smart transmitters, current sink output
Backplane mounting devices
MTL4541116.5V min
@ 20mA
Compatible with most smart transmitters
MTL4541A18.6V diode4 wire smart tranmitters
MTL4541AS18.6V diode4 wire smart transmitter, current sink output
MTL4541B116.5V min
@ 20mA
As MTL4541 but adapted for MTL4041B substitution on legacy backplanes
MTL4541P117.6V min
@ 20mA
As MTL4541B but with a higher power output, MTL4041P substitution on legacy backplanes
MTL4541S116.5V min
@ 20mA
Suitable for conventional and smart transmitters, current sink output
MTL4544216.5V min
@ 20mA
Compatible with most smart transmitters
MTL4544A28.6V diode4 wire smart transmitters
MTL4544AS28.6V diode4 wire smart transmitters, current sink output
MTL4544B116.5V min
@ 20mA
As MTL4544 but adapted for MTL4044B substitution on legacy backplanes
MTL4544D116.5V min
@ 20mA
Compatible with most smart transmitters, repeat output

Analogue Input - vibration transducer

DeviceNo. of
channels
Signal monitoredMain features
DIN-rail mounting devices
MTL55311Vibration
transducer
Compatible with vibration and accelerometer transducers
MTL55332Vibration
transducer
Compatible with vibration and accelerometer transducers
Backplane mounting devices
MTL45311Vibration
transducer
Compatible with vibration and accelerometer transducers
MTL45332Vibration
transducer
Compatible with vibration and accelerometer transducers

Analogue - loop isolator

DeviceNo. of
channels
Output to
hazardous area
Main features
DIN-rail mounting devices
MTL50401 x AI +
1 x AO
16.5V @ 20mA
Vmax 11V @ 20mA
Analogue input and output module (To be discontinued)

Analogue Input - thermocouple and mV sources

DeviceNo. of
channels
Output to
safe area
Main features
DIN-rail mounting devices
MTL557514/20mAConfigurable, built-in CJC, early burnout detection facility
MTL5576-THC24/20mAConfigurable, built-in CJC, also config as 1in 2 out
MTL558110 to ±50mVSelectable upscale or downscale (available 2011Q4)
Backplane mounting devices
MTL457514/20mAConfigurable, built-in CJC, early burnout detection facility
MTL4576-THC24/20mAConfigurable, built-in CJC, also config as 1in 2 out
MTL458110 to ±50mVSelectable upscale or downscale (available 2011Q4)

Analogue Input - 2, 3 and 4-wire RTDs

DeviceNo. of
channels
Output to
safe area
Main features
DIN-rail mounting devices
MTL557514/20mAConfigurable
MTL5576-RTD24/20mAConfigurable, also config as 1in 2 out
MTL5582110 to 400 ohmIndependent selection of 2, 3 or 4-wire RTDs on safe and hazardous area sides
Backplane mounting devices
MTL457514/20mAConfigurable, many sensor types and ranges
MTL4576-RTD24/20mAConfigurable, also config as 1in 2 out

Analogue Output - controller outputs, I/P converters

Device
No. of
channels
Output to
hazardous area
Important features
DIN-rail mounting devices
MTL5546

1

1mA <Io<24mA
Vmax = 16V
Suitable for HART valve positioners, SC & OC LFD
MTL5546Y11mA <Io<24mA
Vmax = 16V
Suitable for HART valve positioners, OC LFD
MTL554921mA <Io<24mA
Vmax = 16V
Suitable for HART valve positioners, SC & OC LFD
MTL5549Y21mA <Io<24mA
Vmax = 16V
Suitable for HART valve positioners, OC LFD
Backplane mounting devices
MTL454611mA <Io<21.4mA
Vmax = 16V
Suitable for HART valve positioners, SC & OC LFD
MTL4546Y11mA <Io<26mA
Vmax = 16V
Suitable for HART valve positioners, OC LFD
MTL454921mA <Io<26mA
Vmax = 16V
Suitable for HART valve positioners, SC & OC LFD
MTL4549Y21mA <Io<24mA
Vmax = 16V
Suitable for HART valve positioners, OC LFD

Digital Input - switches / proximity detectors

Device
No. of
channels
Output to
safe area
Important features
DIN-rail mounting devices
MTL551044 x solid stateCan switch +ve or –ve polarity signals
MTL5510B44 x solid stateMult-function selectable
MTL551111 x SPDTSwitch/proximity detector repeater
MTL551322 x solid statedc to 1kHz frequency response
MTL551411 x SPDT
1 x SPDT
Switch/proximity detector repeater
Independent LFD output
MTL5516C22 x SPDTSwitch/proximity detector repeater
MTL551722 x SPDT
1 x SPDT
Switch/proximity detector repeater
Independent LFD output
MTL501421 x SPDT
1 x SPDT
Switch/proximity detector repeater
Phase reversal, selectable repeat output or LFD alarm
Backplane mounting devices
MTL450411 x SPDT
1 x SPDT
Switch/proximity detector repeater
Independent LFD output, de-energise to alarm
MTL451044 x solid stateCan switch +ve or –ve polarity signals
MTL4510B44 x solid state

Mult-function selectable
switches +ve, -ve or ac signals

MTL451111 x SPDTSwitch/proximity detector repeater
MTL451322 x solid state

dc to 1kHz frequency response
switches +ve, -ve or ac signals

MTL451411 x SPDT
1 x SPDT
Switch/proximity detector repeater
Independent LFD output, energise to alarm
MTL451622 x SPSTSwitch/proximity detector repeater
MTL4516C22 x SPDTSwitch/proximity detector repeater
MTL451722 x SPST
1 x SPDT
Switch/proximity detector repeater
Independent LFD output

Digital Input - switch/proximity detectors, SIL3

DeviceNo. of
channels
Signals monitoredImportant features
DIN-rail mounting devices
MTL5501-SR124V logicSafety related, SIL3 certified
Backplane mounting devices
MTL4501-SR124V logicSafety related, SIL3 certified

Digital Output - alarms, LEDs, solenoid valves, etc

Device
No. of
channels
Output to
hazardous area
Important features
DIN-rail mounting devices
MTL5521112.8V<Vo<24V
Imax = 48mA
IIC gas groups, loop powered
MTL552219.9V<Vo<21.4V
Imax = 70mA
IIB gas groups, loop powered
MTL5523112.8V<Vo<24V
Imax = 48mA
Switch controlled input, Independent LFD output
MTL5523V112.8V<Vo<24V
Imax = 48mA
Voltage controlled input, Independent LFD output
MTL5524112.8V<Vo<24V
Imax = 48mA
Safety override feature, separately powered
MTL552517V<Vo<24V
Imax = 48mA
Safety override, low power output
Backplane mounting devices
MTL4521112.8V<Vo<24V
Imax = 48mA
Loop powered
MTL4521L110.3V<Vo<24V
Imax = 48mA
Loop powered
MTL4523
MTL4523R
112.8V<Vo<24V
Imax = 48mA
Switch controlled input, Independent LFD output
MTL4523L112.8V<Vo<24V
Imax = 48mA
Loop powered, independent LFD output
MTL4523V112.8V<Vo<24V
Imax = 48mA
Voltage controlled input, Independent LFD output
MTL4524 &
MTL4524S
112.8V<Vo<24V
Imax = 48mA
Safety override feature, separately powered
MTL452517V<Vo<24V
Imax = 48mA
Safety override, low power output

Digital Output - switch output to hazardous area

DeviceNo. of
channels
Signals monitoredImportant features
DIN rail mounting devices
MTL55261 or 22 x DPDTSafe-area switch input or loop powered.
2ch or 1ch with 2 outputs
Backplane mounting devices
MTL45261 or 22 x DPDTSafe-area switch input or loop powered.
2ch or 1ch with 2 outputs

Pulse Input - turbine / flowmeters

Device
No. of
channels
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