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Overview

The 31330 is an RF surge protection kit that is installed by Campbell Scientific, bulkhead-mounted through the enclosure wall. One side of the surge protector connects to a radio with a BNC antenna connection. The other side connects to an antenna/antenna coaxial cable with Type N connector. This kit includes:

  • RF protector with hardware, suitable for 100 to 512 MHz
  • 18 in. Type N to BNC coaxial jumper
  • 24 in. ground wire assembly
  • Installation of the kit into an enclosure on the same order

Note: For a flange-mounted version of this same kit, see the 31332 Surge Protection Kit, Type N to BNC, 100 to 512 MHz.

Compatibility

The 31330 is compatible with the following products:

  • RF320-series
  • RF310-series
  • RF300-series
  • ST-21

Specifications

Coaxial Jumper
Connector 1 Type N plug
Connector 2 BNC plug
Cable Type RG174/U
Length 45.7 cm (18 in.)

Surge
Frequency 100 to 512 MHz
Connectors Type N jack
Mounting Bulkhead or flange mount
Operation DC block (RF only)
Insertion Loss < 0.1 dB
Maximum Surge
  • IEC 61000-4-5 8/20 μs waveform
  • 20 kA (max)
Temperature -50° to +85°C
Standards CE compliant, RoHS compliant, IEC 60529 IP67, Bellcore #TA-NWT-000487
Connector Length 2.41 cm (0.95 in.)
Dimensions 9.27 x 7.16 x 3.55 cm (3.65 x 2.82 x 1.40 in.)
Weight 226.8 g (0.5 lb)

Ground Wire
Wire Type 12 AWG stranded with PVC jacket
Connector 5/8 crimp ring lug, soldered
Length 61 cm (24 in.)

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