- Adjustable and pre-set relative humidity
- Status indicator (LED)
- High switching capacity
- Clip fixing
- Temperature-compensated
The electronic hygrostat senses the relative humidity in an enclosure with electric/electronic components and turns on a heater at the set point, helping prevent the formation of condensation in the enclosure. The LED integrated in the adjustment knob is lit when the connected heater is in operation.
| Switch difference | 5% RH (±3% RH tolerance) at +25°C (+77°F), 50% RH |
|---|---|
| Reaction time | 5 sec. |
| Contact type | change-over contact (relay) |
| Service life | > 50,000 cycles |
| Max. switching capacity (relay output) | 240VAC / 120VAC 8 (1.6) A DC 100W at 24VDC |
| Max. inrush current | AC 16A for 10 sec. |
| Optical indicator | LED |
| Connection | 5-pole terminal, clamping torque 0.5Nm max.: rigid/stranded1 wire 2.5mm² (AWG 14) |
| Mounting | clip for 35mm DIN rail, EN 60715 |
| Casing | plastic according to UL94 V-0, light grey |
| Dimensions | 64.5 x 42 x 38mm |
| Weight | approx. 70g |
| Fitting position | vertical |
| Operating/Storage temperature | 0 to +60°C (+32 to +140°F) / -20 to +70°C (-4 to +158°F) |
| Operating/Storage humidity | max. 90% RH (non-condensing) |
| Protection type | IP20 |
¹ When connecting with stranded wires, wire end ferrules must be used.
| Art. No. | Operating voltage | Setting range | Approvals | ||
|---|---|---|---|---|---|
| 01245.0-00 | 230VAC, 50/60Hz | 40 to 90% RH | VDE | UL File No. E164102 | EAC |
| 01246.0-00 | 230VAC, 50/60Hz | 65% RH pre-set | VDE | UL File No. E164102 | EAC |
| 01246.0-01 | 230VAC, 50/60Hz | 50% RH pre-set | VDE | UL File No. E164102 | EAC |
| 01245.9-00 | 120VAC, 50/60Hz | 40 to 90% RH | - | UL File No. E164102 | EAC |
| 01246.9-00 | 120VAC, 50/60Hz | 65% RH pre-set | - | UL File No. E164102 | EAC |
Technical drawing
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- EFR 012 | Electronic Hygrostat
