AIR CONDITIONING TECHNOLOGY
ELECTRONIC DEW POINT MONITOR WFRRN STANDARD RAIL MOUNTING
TECHNICAL DATA
APPLICATION
Surface finish:
matt
For interrupting the cooling, when the relative atmospheric humidity exceeds approx. 98%.
Housing colour: Housing material:
light grey, similar to RAL 7035
PC plastic 0 to 55 °C
Ambient temperature: Storage temperature: Permissible atmospheric humidity: Electrical connection: Mounting / attachment:
−20 to +70 °C
max. 95% rel. humidity, non-condensing
screw-type terminals up to 2.5 mm²
standard rail mounting
Protection rating: Safety and EMC:
IP20
according to DIN EN 60730
Average power consumption:
approx. 1 VA
Min. switching current:
depending on the switching voltage (min. 0.3 W) depending on the switching current (min. 0.3 W)
Min. switching voltage:
Blatt A4 Maßstab 1:1
Switching element: Switching contact:
relay
toggler, potential-free
Output signal:
switching
Control function:
dew point triggering
Hysteresis:
8 MΩ
WFRRN-240.018
Fixed break point: General features:
approx. 98% relative humidity ‘dew point triggering’ display
Accessories:
dew point sensors (TPS)
TYPE / IMAGE
ITEM NO.
FEATURES
CIRCUIT DIAGRAM
EURO / PG
WFRRN-240.018
Operating voltage: 24 VDC, 24 VAC, 50 Hz Protection class: III Max. switching current: 10 (3) A at 48 VAC, 10 A at 30 VDC, 1 A at 60 VDC Max. switching voltage: 48 VAC, 50 Hz / 60 VDC Switching power: 500 VA at 48 VAC, 300 W at 30 VDC, 60 W at 60 VDC
D4780587
179.00 / I
4 3
5
Blatt A4 Maßstab 1:1
Elektronik
6
7
9 10
V+
% r.H. WFRRN-210.018
24V~
WFRRN-210.018
Operating voltage: 230 VAC, 50 Hz Protection class: II, if properly mounted Max. switching current: 10 (3) A at 230 VAC, 10 A at 30 VDC, 1 A at 60 VDC Max. switching voltage: 230 VAC, 50 Hz / 60 VDC Switching power: 2300 VA at 230 VAC, 300 W at 30 VDC, 60 W at 60 VDC
D4780572
183.10 / I
4 3
5
Elektronik
6
7
9 10
L N
% r.H.
137
Catalogue 2025
Prices valid from 01.01.2025 – 31.12.2025, prices may be subject to change | V1
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