The 27 SC converter is a head-mounted two-wire signal converter.
| Connection | M3 screw terminals (0.5 N-m torque) |
| Housing material | Non-flammable resin (black color) |
| Insulation | From input to output to feed |
| Output signal | 4-20 mA DC |
| Power supply | 9 - 35 V DC (not approved) 9 - 28 V DC (approved) |
| Operating temperature | -40 to +85 °C |
| Operating humidity | 0 to 95% RH (non-condensing) |
| Assembly | Head mounting (DIN type B head) |
| Weight | 50 g (1.76 oz) |