Operating range: Min.0- Max 90 C Tolerance: T.Min.±6 C T.Max ±4 C Differential : 6±2 C Set point ( fixed calibration): Min.60C - Max 90C To be used heat resisitant cables: T120C Tolerance: ±10 C Differential: 15±25 C Temperature limit of thermostat head: T 85 Contact rating: 16 (4) A 250V- 6 (1) A 400V- Rated impulsive voltage: 4kV Double immersion thermostat control Limiter fail safe with manual reset Liquid filled sensing element suitable for PED fluids.