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3700_0 Fuses 5/10/20/30A 32V

Product Code: 3700
Excl. VAT: £2.07 Incl. VAT: £2.48
  • Buy 5 for £1.88 (£2.26 incl. tax) each and save 10%
  • Buy 10 for £1.82 (£2.18 incl. tax) each and save 13%
  • Buy 50 for £1.71 (£2.05 incl. tax) each and save 18%
  • Buy 100 for £1.60 (£1.92 incl. tax) each and save 23%
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You can use these fuses to protect your system if you have high current power supplies or batteries.

Fuses - 5/10/20/30A 32V

You can use these fuses to protect your system if you have high current power supplies or batteries. When semiconductors fail, they often become a short circuit, and will glow white-hot if the power supply is powerful enough. A properly sized fuse can interrupt the flow, preventing possible fire or damage to other components in the system.


If your system is using a good quality power supply like our 3022-3025 supplies, the power supply will limit the current at it's maximum, (2 Amps in this case) and a fuse is usually not necessary.

If your source of power is very high current, for example a 12 Volt / 10 Amp power supply, and a component fails, up to 120 watts of power can be concentrated on it. Many batteries can deliver hundreds, or even thousands of amps, and fuses are strongly recommended.

A good practice is to put one large fuse at the output of the power source, and smaller fuses at each device (Phidget). The fuses current ratings should be choosen to be slightly higher than the maximum current the device is expected to draw.

Product Features

  • UL approved, Fast-Acting Automotive Fuses
  • Assortment of 5, 10, 20 and 30A
  • Maximum Voltage: 32V


Agency Appproval UL
Fuse Type Fast-Acting Automotive
Maximum Voltage 32V
Amperage Orange - 5A
Red - 10A
Yellow - 20A
Green - 30A
Fuse Body Plastic Sulfone polymer
Fuse Element Tin Plated Zinc Alloy

Product Attachments

View File3700 Datasheet    Size: (184.27 KB)

FeeFo Reviews

Date / Score
Customer Comment Our Response
22-Feb-2015 Product:
As advertised
Read more reviews on Feefo
Feefo reviews 100% 1

Whenever possible, items which are in stock are dispatched the same day, or the next working day.

Large and/or heavy items are dispatched by UPS courier service and these orders must be placed before 15:00hrs (GMT) to ensure same day dispatch.

Small items are normally sent using a Royal Mail service for UK orders, and International Airmail or UPS for overseas orders

Returns Policy

3700_0 Fuses 5/10/20/30A 32V