The EWTQ 905 is a two point intervention temperature control, dependent or independent, with ON/OFF, PD or PID and SOFT START or AUTOTUNING operation that can be set at the main output.

• Housing: self-extinguishing ABS plastic
• Dimensions: front 48x48 mm; depth 115 mm
• Mounting: a panel on a 45.5x45.5 mm hole
• Main Output: on relay in exchange 3(1)A 250V AC or static (SSR) 0/24 Vdc/10 mA
• Secondary output: on relay N.O. 3(1)A 250V AC or static (SSR) 0/24 Vdc/10 mA
• Auxiliary output: 12 Vdc/20 mA (for supplying temperature probes or similar)
• Inputs (according to model): PTC / RTD (Ni100, Pt100) / Tc J, K / current (4…20 mA; Ri = 41 -)
• Resolution: 1 °C without decimal point reading, 0.1 °C for decimal point reading (a resolution of 5 and 0.5 may also be selected, respectively)
• Accuracy: better than 0,5 % of bottom scale
• Power supply : 220, 110 Vac ±10% selectable with an internal jumper; 48, 24 Vac ±10% selectable with an internal jumper