PRODUCT CATALOGUE 2022 | alre.de

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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