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High humidity in a cabinet produces condensation and corrosion, which often leads to creep currents, flash-over, contact problems, etc.
The difference in temperature between night and day can often be sufficient for condensation to form. To prevent this, besides a thermostat that starts a heater before the set minimum temperature is reached, a hygrostat should also be mounted that starts the heater/fan if the humidity exceeds a set value. MFR012 has a change-over contact and can even be used to control air humidifiers if the air becomes too dry.
General data |
|
|---|---|
| Control range humidity from | 35 % RF |
| Control range humidity to | 95 % RF |
| Hysteresis humidity | 4% RH |
| Mounting | Clip on, DIN rail |
| Contact type | Changeover (SPDT) |
| Colour | Light grey |
Rated operating conditions |
|
| Breaking capacity | 250 VAC: 5 A. DC: 20 W. |
| Contact resistance | <10 mΩ |
| Electrical lifetime | > 50,000 cycles |
| Connection type | 3-pole terminal for 2.5mm² |
| Operational temperature | 0 °C ... +60°C |
| Storage temperature | -40°C ... +60°C |
| Life span | > 50,000 cycles |
*Invisible Heading* |
|
|---|---|
| Operating humidity | < 90% RH |
| Humidity storage | <95% RH |
Dimensions |
|
| Height | 67 mm |
| Width | 50 mm |
| Depth | 38 mm |
| Weight | 0.06 kg |
| Material of body | Plastic |
Safety & approvals |
|
| IP class | IP20 |
| Approvals | CE, cULus, EMC, RoHS, UL, UL E164102 |
| Flammability class | UL94-V0 |
| EMC | EN 55014-1-2, EN 61000-3-2, EN 61000-3-3 |
High humidity in a cabinet produces condensation and corrosion, which often leads to creep currents, flash-over, contact problems, etc.
The difference in temperature between night and day can often be sufficient for condensation to form. To prevent this, besides a thermostat that starts a heater before the set minimum temperature is reached, a hygrostat should also be mounted that starts the heater/fan if the humidity exceeds a set value. MFR012 has a change-over contact and can even be used to control air humidifiers if the air becomes too dry.
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