Compact thermostat FKO-011/FKS-011
Small compact thermostat FKO-011/FKS-011
FKO-011: Thermostat (NC); contact breaker for regulating heaters. The contact opens when temperature is rising.
FKS- 011: Thermostat (NO); contact maker for regulating of filter fans and heat exchangers or for switching signal devises when temperature limit has been exceeded. The contact closes when temperature is rising.
Technical data:
| Switch temperature difference | 7 K (±4 K tolerance) |
| Sensor element | thermostatic bimetal |
| Contact type | snap-action contact |
| Service life | 100,000 cycles verified |
| Max. operating voltage, frequency range | AC 250 V,10A, 50-60 Hz AC120V,15A |
| Connection1 | 2 Push-In clamps rigid wire 2.5 mm² (AWG 14) stranded wire1 1.5 mm² (AWG 16) |
| Mounting | clip for 35 mm DIN rail, EN 60715 |
| Casing | plastic according to UL94 V-0, grey color |
| Dimensions | 60 x 33 x 43 mm |
| Weight | approx. 40 g |
| Fitting position | variable |
| Operating/Storage temperature | -45 to +80 °C (-49 to +176 °F) |
| Operating/Storage humidity | max. 90 % RH (non-condensing) |
| Protection type/Protection class | IP20 / II |
| Setting range | Art. No. Contact breaker (NC) | Art. No. Contact maker (NO) | Switching current²/ AC 250 V | Switching capacity AC 120 V | max. DC 24-72 V |
| 0 to +60 °C | 1140.0-00 | 11141.0-00 | 10 (2) A | 15 (2) A | 30 W |
| -10 to +50 °C | 11142.0-00 | 11143.0-00 | 10 (2) A | 15 (2) A | 30 W |
| +20 to +80 °C | 11159.0-00 | 11158.0-00 | 3 (2) A | 3 (2) A | 30 W |
| +32 to +140 °F | 11140.9-00 | 11141.9-00 | 10 (2) A | 15 (2) A | 30 W |
| +14 to +122 °F | 11142.9-00 | 11147.9-00 | 10 (2) A | 15 (2) A | 30 W |
