TE small twin beams and large quad beams. 560mA per set (2) max for 24VDC, 700mA max for 12VDC
PBH Heaters for Takex Beams are an optional field modification/ accessory. They can be retro-fitted, or installed on sites where a build-up of frost on the beam cover is anticipated.
PBH Heaters are thermistors; their electrical resistance varies according for ambient temperature. As such, the act as a combined heater/ thermostat.
PBH heaters are sold in pairs: one unit for the beam transmitter, and onefor the receiver
Note: A separate range of heaters and thermostats is available for use in Takex Beam Towers.
For more information, please see 
User Manual
