ETR 77.008-5
Universal temperature controller, -50-+50…°C, hysteresis 0.5-5K, internal setting
Electronic universal temperature controller. Various sensor versions allow universal use in heating, ventilation, air-conditioning, and refrigeration technology as well as in machinery and apparatus engineering. The heating status is indicated by a red LED. Sensors are not included in the scope of delivery. The sensor cable can be extended up to 100 m using a cable cross-section of min. 1.5 mm².
Universal temperature controller, -50-+50…°C, hysteresis 0.5-5K, internal setting
Art.-Nr.: D4770014
Technical data
| Actual temperature display | No |
| Ambient temperature, lower value | -20 °C |
| Ambient temperature, upper value | 50 °C |
| Assembly | Controller without sensor |
| Bearing temperature, lower value | -20 °C |
| Bearing temperature, upper value | 50 °C |
| Cable entry | 1 x M20x1,5; 1 x M12x1,5 |
| Colour | Grey |
| Control range, lower value | -50 °C |
| Control range, upper value | 50 °C |
| Cooling control function | Yes |
| Degree of contamination | 2 |
| Depth | 56 mm |
| Electric connection | Screw terminals |
| Electronic control | Yes |
| External setting | No |
| Heating control function | Yes |
| Height | 169 mm |
| Housing material | Plastic |
| Internal setting | Yes |
| Maximum air humidity (non-condensing) | 95 % r.H |
| Maximum switching current | S:10 (3) A ; O: 5 (1,5) A |
| Maximum switching voltage | 230 V AC, 50 Hz |
| Mounting / attachment | Wall mounting |
| Number of control ranges | 1 |
| Number of outputs | 2 |
| Operating voltage | 230 V AC / 50 Hz |
| Operation | Internal setpoint adjuster |
| Output signal | Switching |
| Potential free switching contact | Yes |
| Protection class | II, following appropriate mounting |
| RAL colour number (similar) | 7016/7035 |
| Rated impulse voltage | 4000 V |
| Scale | Degree Celsius |
| Sensor element | PTC |
| Sensor type | KTY 81-121 (sensor 51) |
| Suitable as 2-point controller | Yes |
| Surface properties | Matt |
| Switching contact | Two-way contact |
| Switching difference, can be adjusted | Yes |
| Switching differential adjustable from | 0,5 K |
| Switching differential adjustable up to | 5 K |
| Switching element | Relay |
| Switching power | 2300 W bzw. 1150 W |
| Type of protection | IP65 |
| Width | 96 mm |
| With explosion protection | No |
| Circuit diagram | |
| Photo | Type | Articlenumber | Features | Kind |
|---|---|---|---|---|
 | STF-51 | SN080500 | Radiation temperature sensor, 2x KTY-81-121 | Accessories |
 | KF-51/6 | G9031453 | Cable temperature sensor, KTY81-121, 6m, silicon sensor cable, -50...+150...°C | Accessories |
 | AF-51 | G9040420 | External temperature sensor, KTY81-121 | Accessories |
| KF-51 | G9031452 | Cable temperature sensor, KTY81-121, 1.5m, silicon sensor cable, -50...+150...°C | Accessories |
 | ALF-51 | G9050210 | Contact temperature sensor, KTY81-121 | Accessories |
 | BTF2-Y81/121-0000 | SA140017 | Room temperature sensor, KTY81-121, surface-mounted super flat | Accessories |
 | FUFY 81/121-0000 | SN090201 | Room temperature sensor, KTY81-121, flush-mounted, cover 50x50mm, pure white gloss | Accessories |
Contact request
This form is currently undergoing maintenance. Please try again later.Do you have questions or are you interested in our products?
Please contact the electrician you trust or write us a message.
