RTKSA-204.020
Frost protection thermostat, 1.8m, IP65, hysteresis 1.5K, STW, internal setting, external resetting
Colour: anthracite grey (similar to RAL 7016), transparent front, sensor material: Cu, max. sensor temperature: 120 …°C, max. head temperature: 80 …°C, permissible air humidity: max. 95 % r. H. non-condensing, operating voltage: none, max. switching current: NC contact: 16 (2.5) A at 230 V AC + 10 %, 0.25 A at 230 V DC + 10 %, STW contact: 6.3 (2.5) A at 230 V AC + 10 %, 0.25 A at 230 V DC + 10 %, min. switching current: at 24 V (AC / DC) min. 100 mA, max. switching current: 230 V AC 50 / 60 Hz, 230 V DC, min. switching current: 24 V AC / 50 Hz, 24 V DC, switching element: Microswitch, switching contact: Two-way contact, potential-free, control range: … 10 … + 15 …°C, electric connection: Push-in terminal, mounting / attachment: Wall mounting, controller housing must be installed in such a way that the ambient temperature is at least 2K higher than the setpoint. Protection class: I (including switching head and Cu capillary up to 4000 mm), safety and EMC: according to DIN EN 60730 (VDE 0631), sensor: liquid-filled capillary, general features: Degrees Celsius scale, 1.8m, IP65, hysteresis 1.5K, STW, internal setting, external resetting
Product inquiry
Art.-Nr.: KA020401
Technical data
| suitable as monitor | Yes |
| suitable as 2-point controller | No |
| suitable as cut-out | No |
| process temperature | 80°C |
| control range, upper value | 15°C |
| control range, lower value | -10°C |
| switching difference | 1.5 K |
| device version | surface-mounted unit |
| medium temperature (EF007506) | 120°C |
| sensor element | Kapillarrohr |
| number of NO contacts | 0 |
| number of NC contacts | 0 |
| number of two-way contacts | 1 |
| electric connection | push-in terminal |
| type of protection | IP65 |
| electronic version | No |
| with explosion protection | No |
| number of outputs | 1 |
| number of control ranges | 1 |
| output signal | switching (24 V AC, 50 Hz and/or 24 V DC) |
| external setting | No |
| operating voltage | none |
| setting range, upper value | 15°C |
| setting range, lower value | -10°C |
| colour | anthr. grey (RAL7016), front side transp. |
| function type (systems engineering) | STW |
| bearing temperature, upper value | 80°C |
| bearing temperature, lower value | -30°C |
| max. sensor temperature | 120°C |
| maximum switching voltage | 230 V AC 50 / 60 Hz, 230 V DC |
| maximum switching current | NC con.: 16 (2.5) A; NO con.: 6.3 (2.5) A |
| medium | air, not aggressive |
| minimum switching voltage | 24 V AC / 50 Hz, 24 V DC |
| minimum switching current | 150 mA |
| mounting / attachment | wall mounting |
| potential free switching contact | Yes |
| heating or cooling control function | Yes |
| switching element | microswitch |
| switching contact | two-way contact |
| protection class | I |
| EMC safety | in accordance with DIN EN 60730 |
| scale | degrees Celsius |
| ambient temperature, upper value | 120°C |
| ambient temperature, lower value | -30°C |
| maximum air humidity (non-condensing) | 95% r.H |
| switching difference, can be adjusted | No |
| contact interlocking | No |
| height | 146,8mm |
| width | 57,6mm |
| depth | 53mm |
| can be read off | Yes |
| with display | No |
| length of supply line | 1,8m |
| external temperature compensated | No |
| Circuit diagram | |
| Photo | Type | Articlenumber | Features | Kind |
|---|---|---|---|---|
 | JZ-29 | KA999901 | Fastening set for RTKSA THK/NTHK/SWK single controller | Accessories |
 | SWK-2-100 | KA989901 | Protective coil, 100mm, nickel-plated steel, inner x outer diameter 10.5x17mm | Accessories |
 | NTHK-2-200 | KA969908 | Immersion sleeve, 200mm, V4A (1.4571), inner x outer diameter 7.5x10mm | Accessories |
| NTHK-2-100 | KA969906 | Immersion sleeve, 100mm, V4A (1.4571), inner x outer diameter 7.5x10mm | Accessories |
| THK-2-200 | KA969903 | Immersion sleeve, 200mm, nickel-plated brass, inner x outer diameter 7.5x10mm | Accessories |
| THK-2-100 | KA969901 | Immersion sleeve, 100mm, nickel-plated brass, inner x outer diameter 7.5x10mm | Accessories |
| SWK-2-200 | KA989903 | Protective coil, 200mm, nickel-plated steel, inner x outer diameter 10.5x17mm | Accessories |
Contact request
Do you have questions or are you interested in our products?
Please contact the electrician you trust or write us a message.
