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MFR 012 Mechanical hygrostat, 35-95% RH, 1NC/NO, 20-250VAC

MFR 012 Mechanical hygrostat, 35-95% RH, 1NC/NO, 20-250VAC

Item code: ST.01220.0-00

Condition: New product

Manufacturer:

Electromechanical hygrostat to control enclosure heaters so that the dew point is raised when a critical relative humidity of 65% is exceeded. 

Type MFR 012, 

35-95% RH, 1NC/NO, 20-250VAC. 

Approvals UL File No. E164102, EAC, CQC.  

Stego 01220.0-00

2 Items

56,75 € tax excl.

Data sheet

Product type Hygrostat
Switching function Change-over Contact (Heating/Cooling)
Power supply voltage 230V AC
Operating temperature 0°C ... +60°C
Degree of protection IP20
Approvals VDE, UL, CCC, EAC

More info

The mechanical humidity regulators are used to switch heaters, cooling equipment, filter fans or signal devices on or off if the temperature or humidity value rises above or falls below an adjustable or preset reference value. The regulators must only be used in stationary, sealed housings for electrical devices.

Switch difference¹ 4% RH (±3% tolerance)
Permissible air velocity 15m/sec.
Contact type change-over contact
Service life > 50,000 cycles
Min. switching capacity 20VAC/DC 100mA
Max. switching capacity 250VAC, 5A
DC 20W
Connection 3-pole terminal for 2.5mm², clamping torque 0.5Nm max.:
rigid wire 2.5mm² (AWG 14)
stranded wire² 1.5mm² (AWG 16)
Mounting clip for 35mm DIN rail, EN 60715
Casing plastic according to UL94 V-0, light grey
Dimensions 67 x 50 x 38mm
Weight approx. 60g
Fitting position variable
Operating/Storage temperature 0 to +60°C (+32 to +140°F) / -40 to +60°C (-40 to +140°F)
Operating/Storage humidity max. 95% RH (non-condensing)
Protection type IP20
Approvals UL File No. E164102, EAC, CQC

¹ at 50% RH

² When connecting with stranded wires, wire end ferrules must be used.

Art. No.Setting range
01220.0-00 35 to 95% RH

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