Model name demystification
M - 300 U - PP - D
![](images/coaxial-arrestors/small320.png)
![](images/coaxial-arrestors/IMG_2892.png)
![](images/coaxial-arrestors/IMG_2868-1.png)
![](images/coaxial-arrestors/IMG_2875-1.png)
![](images/coaxial-arrestors/lightning-10.jpg)
Coaxial and balanced line arrestors
Model number
Connector type:
U = UHF (SO239)
N = N
B = BNC
F= F
Designator:
QRP = QRP (10 watt)
O = Offset connectors
PP = Power pass
Designator:
D = Double unit
Morgan Mfg.
![(placeholder)](images/coaxial-arrestors/shape_31.png)
![(placeholder)](images/coaxial-arrestors/shape_32.png)
![(placeholder)](images/coaxial-arrestors/shape_33.png)
![(placeholder)](images/coaxial-arrestors/shape_34.png)
![(placeholder)](images/coaxial-arrestors/shape_35.png)