JTU-20
Duct thermostat, 20…100…°C, external resetting, capillary length 1250mm
Minimum or maximum thermostat for supply air monitoring and fan control in ventilation and air conditioning systems. Overheating protection thermostat for electric heating coils and direct-fired air heaters in oil and gas operation.
Art.-Nr.: E6100075
Technical data
| Ambient temperature, lower value | -15 °C |
| Ambient temperature, upper value | 80 °C |
| Bearing temperature, lower value | -15 °C |
| Bearing temperature, upper value | 80 °C |
| Capillary length | 1,25 m |
| Colour | Grey |
| Control range, burner from | 20 °C |
| Control range, burner up to | 100 °C |
| Cooling control function | Yes |
| Degree of contamination | 2 |
| Device version | Surface-mounted unit |
| Electric connection | Screw terminals |
| Electronic control | No |
| External reset | Yes |
| Function type (systems engineering) | STB |
| Heating control function | Yes |
| Housing material | Sheet steel |
| Internal setting | Yes |
| Length of sensor | 1250 mm |
| Max. sensor temperature | 200 °C |
| Maximum air humidity (non-condensing) | 95 % r.H |
| Maximum switching current | 15 (8) A |
| Maximum switching voltage | 230 V AC, 50 Hz |
| Medium | Air, not aggressive |
| Minimum switching current | 150 mA |
| Minimum switching voltage | 24 V AC / 50 Hz |
| Mounting / attachment | Mounting on air duct |
| Number of control ranges | 1 |
| Number of outputs | 2 |
| Operating voltage | None |
| Operation | Internal setpoint adjuster, reset button |
| Output signal | Switching, burner interlocking |
| Potential free switching contact | Yes |
| Protection class | I |
| Rated impulse voltage | 4000 V |
| Safety and EMC | In accordance with DIN EN 60730 |
| Scale | Degree Celsius |
| Sensor element | Capillary tube |
| Sensor material | Cu |
| Surface properties | Matt |
| Switching contact | Two-way contact |
| Switching element | Microswitch |
| Switching power | 3450 W |
| Type of protection | IP40 |
| With explosion protection | No |
| Circuit diagram | |
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