BLAKE Type 2 F Surge Protection Device

5 In 5 Out Insertion Loss <0.2dB 75Ω
IP20 Gas discharge tube arrester max 10KA
*Special Order! NCNR - Check Lead Time*

SKU: PROSPD55F

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BLAKE Type 2 F Surge Protection Device

5 In 5 Out Insertion Loss <0.2dB 75Ω
IP20 Gas discharge tube arrester max 10KA
*Special Order! NCNR - Check Lead Time*


This coaxial F-Type SPD shields your aerial system's devices from power surges. Equipment such as TVs, amplifiers, and receiver boxes would benefit from having this line of defence.

Surge Protective Devices (SPD) are used to protect installations from electrical power surges known as “transient overvoltages”.

They are also used to protect sensitive electronic equipment connected to the installation, such as computers, televisions. Any equipment with sensitive electronic circuitry can be vulnerable to damage by transient overvoltages.

The effects of a surge can result in either instant failure or damage to the equipment only evident over a longer period of time. It is important to remember that protecting the electrical installation alone, and not the other services, could leave another route for transient voltages to enter the installation.

There are three different types of Surge Protective Devices:

Type 1 SPD: installed at the origin, e.g. main distribution board.

Type 2 SPD: installed at sub-level.

Type 3 SPD: installed close to the protected load. They must only be installed as a supplement to Type 2 SPD.

The PROception range of SPDs are all Type 2.

What causes transient overvoltages?

Natural transient overvoltages mostly occur due to direct lightning strikes but can also occur from indirect strikes too.

Man-made transients appear due to the switching of motors and transformers, along with some types of lighting. Historically this has not been an issue within domestic installations but more recently, installations are changing with the advent of electric vehicle charging, heat pumps have made transients much more likely to occur within domestic installations.

How do SPDs work?

The gas discharge tube (GDT) is sealed with ceramic and its interior consists of two or more metal electrodes with gaps filled with the inert gases, argon and neon. As the overvoltage passes through, it arcs between the electrodes, allowing current to flow to ground, thus protecting your devices.

Technical Information:

Electrical Characteristics      
Product CodePROSPD55F
Connection TypeF-Type
Interface TypeMale to Female
Gas Discharge Tube Arrester90V/230V/350V
Frequency RangeDC - 1GHz
Operating CurrentNone
Max. Discharge Current (8/20μs) (Imax)10KA
Insertion Loss<0.2dB
Insulation Resistance≥1000MΩ
Impedance75Ω
Input Power<20W<50W<100W<200W<400W<500W
Initial Discharge Voltage≥50V≥70V≥120V≥190V≥280V≥280V
Protection Mode(s)Common Mode
Mechanical Characteristics      
TechnologyGas Discharge Tube (GDT)
Connection to NetworkConnector Male to Female
MountingFeedthrough
Housing MaterialBrass HPb59-1 GB4425-84
Working Temperature (°C)-40 to 85
Degree of ProtectionIP20
Failsafe ModeShort-Circuit
Disconnection IndicatorTransmission Interrupt

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