Martindale FD550 Elite Fuse Finder Kit

Martindale Electric

Martindale approved distributor and service centre.

The Martindale FD550 is a digital fuse finder kit, with microprocessor controlled multi-level sensitivity for fuse and breaker indentification.

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Usually Stock or Short Lead Time

£ 71.40 rrp £ 84.00

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(£ 85.68 inc VAT.)

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The Martindale FD550 Digital Elite Fuse Finder brings microprocessor controlled multi-level sensitivity to fuse and breaker identification. A 6 segment bargraph gives progressive indication of signal strength allowing even faster identification. In addition, the Elite Fuse Finder also includes a noncontact voltage indicator.

The FD650/R is a combined AC voltage detector and fuse finder receiver (when used in combination with the FD500/T transmitter).


Microprocessor controlled.
6 segment bargraph.
Non-contact voltage indicator.
Automatic Mode: Has a memory & auto adjusting of sensitivity for foolproof identification.
Manual Mode: Allows for rapid fuse finding using the bar graph.

Martindale FD550 Specifications:

  • Transmission Pulse Width: approx 1.7µS width.
  • Transmission Pulse Amplitude: 20A max.
  • Receiver Tracing Depth: 0 - 10cm, for fuse assignment (depending on local conditions).
  • Frequency Range: 50 - 60Hz.
  • Temperature Range: -10°C to 40°C at max 60% RH.
  • Earth Leakage: Nil.
  • Mains Supply: 230V, 30 - 70Hz.
  • Power Consumption: 1W approx.
  • Overvoltage: CAT III 300V.
  • Protection Class: IP20.
  • Dimensions: 65 x 65 x 46mm approx.
  • Weight: 60g.
  • Martindale FD550 Warranty: 2 years.

Includes: FD550 digital fuse finder, receiver, transmitter, batteries and instruction manual.

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Martindale FD550 Elite Fuse Finder Kit