Stego KFR 012 Catalog Page

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Mechanical

Hygrostat

KFR 012

Fixed relative humidity setpoint

High switching capacity

DIN rail mountable

The KFR 012 is designed to control the relative air humidity
inside of enclosures. When connected to an enclosure heater,
(de-humidifier), it will turn the heater on at the preset humidity

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setpoint in order to raise the dew point. This helps prevent
damage and malfunction of electronic components caused by
condensation and corrosion. The KFR 012 can also be used to
control cooling fans, warning lights or other devices.

Technical Data MFR 012

Part No.: 01240.0-00 - 65% RH setpoint

01241.0-00 - 50% RH setpoint

Switching tolerance:
Switching difference (hysteresis):
Permissible air velocity:

Contact type:
Contact resistance:
Service life:

Minimum switching capacity:
Maximum switching capacity:

EMI/EMC compliance:
Connection:
Mounting:
Dimensions (H x W x D):
Housing:
Weight:
Operating temperature:
Storage temperature:
Protection type:
Agency approvals:

Application examples:

+/- 5% RH
4% RH (+/- 3% tolerance)
50 ft/sec (15 m/s)

Contact maker (normally open)
<10mW
100,000 cycles

100mA @ AC/DC 20 V
5A @ AC 250 V (resistive load)

1.0A @ AC 250 V (inductive load
at cos j = 0.8)
DC 20 W
EN 55014-1-2, EN 61000-3-2, EN 61000-3-3
2-pole terminal, AWG 14 max. (2.5 mm²)
Clip for 35 mm DIN rail (EN 50022)

2.4 x 1.3 x 1.7” (60 x 33 x 43 mm)
Plastic, UL94V-O

1.4 oz. (40 g)
32 to 140°F (0 to 60°C)

-4 to 176°F (-20 to 80°C)
IP 20
UL submitted for approval

Electrical & Electronic enclosures
Telecommunication systems
Display panels
Ticket dispensers
Automatic teller machines (ATM’s)
Access & Parking control systems

1.7” (43 mm)

Heater

1.3” (33 mm)

Hygrostat

.4 0 mm)2 ” (6

Heater

Connection diagram

Specifications are subject to change without notice. Suitability of this product for its intended use and any associated risks must be determined by the end customer/buyer in its final application.

Example of connection

KFR012/03-07/US