Electronic dew point monitor, WFRRN Standard rail mounting
Technical data
Application
Surface finish: Housing colour: Housing material:
matt
For interrupting cooling when the relative at- mospheric humidity exceeds approx. 98%.
light grey, like RAL 7035
PC plastic 0 … 55 °C
Ambient temperature: Storage temperature: Permissible atmospheric humidity: Electrical connection:
−20 … +70 °C
max. 95% rel. humidity, non-condensing screw-type terminals up to 2.5 mm² Standard rail mounting
Mounting/attachment:
Protection rating: Safety and EMC:
IP 20
according to DIN EN 60730
Average power consump- tion: Min. switching current:
approx. 1 VA
depending on the switching voltage (min. 0.3 W) depending on the switching current (min. 0.3 W)
Min. switching voltage:
Switching element: Switching contact:
relay
toggler, potential-free
Output signal:
switching
Control function:
dew point triggering
Hysteresis:
8 M Ω
Break point fixed: General features:
approx. 98% relative humidity “dew point triggering” display
Accessories:
dew point sensors (TPS)
Type/image
Item no.
Features
Circuit diagram
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
I
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
I
Catalogue 2022 | Page 135
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