| Product Code | Type | Channels | Function |
| MTL4604 | Digital Input | 1 | switch/prox input, phase reversal + LFD |
| MTL4610 | Digital Input | 4 | switch/prox input, solid-state output |
| MTL4611 | Digital Input | 1 | switch/prox input, c/o relay output |
| MTL4613 | Digital Input | 2 | switch/prox input, solid-state output |
| MTL4614 | Digital Input | 1 | switch/prox input, relay + LFD alarm |
| MTL4614D | Digital Input | 1 | switch/prox input, dual output relay |
| MTL4616 | Digital Input | 2 | switch/prox input, relay |
| MTL4617 | Digital Input | 2 | switch/prox input, relay + LFD alarm |
| MTL4619L | Digital Input | 1 | 24V/48V digital input |
| MTL4619H | Digital Input | 1 | 110Vac/125Vdc digital input |
| | | | |
| MTL4621 | Digital Output | 1 | loop powered solenoid driver |
| MTL4623 | Digital Output | 1 | solenoid driver with LFD alarm |
| MTL4623L | Digital Output | 1 | loop powered solenoid driver with LFD alarm |
| MTL4623R | Digital Output | 1 | solenoid driver with reverse LFD alarm |
| MTL4624 | Digital Output | 1 | switch operated solenoid driver |
| MTL4624S | Digital Output | 1 | switch operated solenoid driver, 24V override |
| MTL4626 | Digital Output | 2 | switch operated relay |
| MTL4627 | Digital Output | 1 | 24V 250mA digital output |
| MTL4628 | Digital Output | 1 | relay output |
| | | | |
| MTL4632 | Pulse Output | 1 | pulse isolator, digital or analogue output |
| | | | |
| MTL4641 | Analogue Input | 1 | 2/3 wire transmitter repeater |
| MTL4641A | Analogue Input | 1 | transmitter repeater, passive input |
| MTL4641AS | Analogue Input | 1 | transmitter repeater, passive input, current sink |
| MTL4641S | Analogue Input | 1 | 2/3 wire transmitter repeater, current sink |
| MTL4644 | Analogue Input | 2 | 2/3 wire transmitter repeater |
| MTL4644A | Analogue Input | 2 | transmitter repeater, passive input |
| MTL4644AS | Analogue Input | 2 | transmitter repeater, passive input, current sink |
| MTL4644S | Analogue Input | 2 | 2/3 wire transmitter repeater, current sink |
| MTL4644D | Analogue Input | 1 | 2/3 wire transmitter repeater, dual output |
| | | | |
| MTL4646 | Analogue Output | 1 | 4-20mA smart isolating driver + LFD |
| MTL4646Y | Analogue Output | 1 | 4-20mA smart isolating driver + oc LFD |
| MTL4649 | Analogue Output | 2 | 4-20mA smart isolating driver + LFD |
| MTL4649Y | Analogue Output | 2 | 4-20mA smart isolating driver + oc LFD |
| | | | |
| MTL4675 | Temperature Input | 1 | temperature converter, THC or RTD |
| MTL4676-RTD | Temperature Input | 2 | temperature converter, RTD |
| MTL4676-THC | Temperature Input | 2 | temperature converter, THC |