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BSC auxiliary relay ZR 401

Weather center extension

Ready to ship today, Delivery time appr. 1-3 workdays
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€305.94 *

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The ZR 401 auxiliary relay is a central ventilation unit with four ventilation groups. Each... more

The ZR 401 auxiliary relay is a central ventilation unit with four ventilation groups. Each group can be controlled via its own ventilation pushbutton input (double rocker pushbutton without mutual interlocking). The "Open", "Close" and "Stop" functions can thus be signaled to the ventilation groups.

The additional relay ZR 401 is also used as an extension of the individual ventilation groups for the wind/rain detectors (WRM) or rain detectors (RM). By using this additional relay, the system is extended by three groups. Any number of ZR 401 additional relays can be connected as an extension to a wind/rain logic. The four available outputs are potential-free contacts with a maximum switching capacity of 8 A at 230 V AC/50 Hz.

Connection terminals: 1.5 mm2 finely stranded, 2.5 mm2 solid
Number of ventilation groups: 4
Housing: plastic; color similar to RAL 7035 (light gray)
Weight: 1050 g
Power consumption: 5 VA
Switching capacity per group: 8 A at 230 V AC
Protection class: IP 30
Temperature range: Temperature class 3 according to VdS 2581 (-5 °C to +40 °C), temperature class 3 according to VdS 2593 (-5 °C to +40 °C)
Supply voltage: 230 V AC/50 Hz

Technical advice

+49 9282 48731-15

Fast delivery

... of goods in stock. Orders placed before 14:00 are usually shipped the same day.

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What do you have to look out for when you want to connect a wind and/or rain detector to a SHEV control panel or ventilation system? We will give you a few tips to ensure that you choose the right product.
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Scope of delivery: Relay in housing as shown
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