Olson 3908 Data Protector Mains RF Filter Spike Transient Suppressor 250V 6.3A

Olson 3908 Data Protector Mains RF Filter Spike Transient Suppressor 250V 6.3A

The Olson 3908 Data Protector is a mains-line RF filter combined with spike and transient suppression, designed to clean incoming AC power before it reaches sensitive electronic equipment. Made by Olson Electronics Ltd of London, UK, it provides eight IEC C13 outlets on its front face and is rated for 250V AC at a maximum of 6.3A. A front-panel red pilot light indicates power, and a 6.3A fuse holder provides overcurrent protection.

Specifications & What's Included

• Brand: Olson Electronics Ltd (London N15 4QL, UK)
• Model: 3908 Data Protector
• Function: Mains RF/EMI filter with spike and transient suppressor
• Voltage Rating: 250V AC
• Current Rating: 6.3A Maximum
• Fuse: 6.3A (front-accessible fuse holder)
• Outlets: 8 × IEC C13 sockets on front face
• Power Indicator: Red pilot light on front panel
• Housing: Gray aluminum strip/panel-mount enclosure with mounting studs
• Country of Manufacture: United Kingdom
• Unit only included — no power cord

Applications

Mains RF filters with spike and transient suppressors like the Olson 3908 are used to protect sensitive electronic equipment — such as computers, data acquisition systems, instruments, and communications gear — from noise, radio-frequency interference, and voltage transients carried on the AC supply line. The IEC C13 outlet format was standard for rack-mounted and lab instruments in Europe and the UK, making this type of unit a common fit in instrument racks, server rooms, and laboratory benches. Olson Electronics produced this range in the 1980s and early 1990s primarily for the UK and European market, where 250V mains supplies are standard. Units like the 3908 continue to be useful wherever a clean, filtered mains supply is needed for legacy or current instrumentation running on IEC C13 power inlets.