Sokkel Switching heating/coolingTurn button Normally Open (NO)

Electronic room thermostat, heating and cooling, fm 2*Normally open contact, non-isolated Switch contact opens when the set temperature is reached. Without fixing claws. With separate connection (230 V~) for external switchover between heating or cooling. See respective cover plates 1794 R-xx. Class of temperature controller 1 Contribution to space heating energy efficiency 1,0%. Rated voltage: 230 V~ Power dissipation: ≤ 0,15 W Rated current: 8 A Temperature range (device): 5 °C - 30 °C Dimensions: (L x W x D): 71 mm x 71 mm x 30 mm Mounting depth: 25 mm Protection class device: IP 20 Only in conjunction with standard flush-mounting boxes according to DIN 49073, erect or Busch-Jaeger No. 3040 wallbox stonework, 3050 wallbox cavity wall or 3060 wallbox concrete Servo-valves, "de-energised open", are necessary for connection to thermostat. e.g. Article No. 6164/10-102 Switching temperature difference: ± 0.5 K