Two Relay Outputs
Dual independent SPDT relays allow one receiver to switch two separate circuits or devices.
Enclosed & Ready
Supplied in its own plastic enclosure for a clean, protected, ready-to-mount installation.
Multi-Voltage Input
Runs from 12V or 24V AC/DC, matching a wide range of existing power supplies.
Wireless Switching
Receives 433MHz signals to trigger gates, doors and lighting without running control cable.
What is the HCR-BU2 used for?
It is a standalone 433MHz receiver that switches two SPDT relay outputs from wireless transmitters, for controlling gates, doors, lighting or other circuits.
Does it come with an enclosure?
Yes. The HCR-BU2 is supplied in its own plastic enclosure ready to mount.
What power does it need?
It accepts a 12V or 24V AC/DC multi-voltage supply.
How many outputs does it have?
Two independent SPDT relay outputs.
Does it require an alarm panel?
No. It operates as a standalone receiver without a control panel.
What frequency does it receive?
433MHz, matching Bosch and compatible 433MHz wireless transmitters.
