RS PRO 6.3A T Glass Cartridge Fuse, 5 x 20mm

Bulk discount available

Subtotal (1 pack of 10 units)*

£2.85

(exc. VAT)

£3.42

(inc. VAT)

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Being discontinued
  • 750 left, ready to ship
  • Plus 148 left, ready to ship from another location
  • Plus 1,010 unit(s) shipping from 29 October 2025
Pack(s)
Per Pack
Per unit*
1 - 9£2.85£0.285
10 - 49£2.71£0.271
50 - 74£2.52£0.252
75 +£2.40£0.24

*price indicative

RS Stock No.:
563-425
Brand:
RS PRO
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Brand

RS PRO

Current Rating

6.3A

Fuse Size

5 x 20mm

Fuse Speed

T

Voltage Rating

250V ac

Body Material

Glass

COO (Country of Origin):
TW

RS PRO 6.3 A Glass Cartridge Fuse, 5 x 20 mm, Speed T


Need to protect your electrical circuits and internal appliances from short circuits and overcurrents? Turn to this glass cartridge fuse from RS PRO. If too much current is drawn, it will blow and break the circuit, protecting your equipment from damage.


As the cartridge is made of glass, you can easily identify whether the fuse inside has blown. You can install this versatile cartridge in demanding industrial environments thanks to its broad operating temperature range of -55ºC to +125ºC. This T-rated fuse can withstand higher levels of current for a short time without fusing.


This product has a low breaking capacity (LBC), so it's best suited to circuits that carry a lower voltage. It's commonly found in both residential and commercial settings, from kitchens to production lines and telecommunications exchanges. The component works with devices such as cars, refrigerator pumps and air-conditioning systems.

Features and Benefits


  • Glass body material

  • Breaking capacity (at maximum voltage rating) of 35 A

  • Current rating of 6.3 A

  • Fuse size of 5 x 20 mm

  • T fuse speed

  • No high-rupture capacity

  • No indicator

  • Maximum operating temperature of +125ºC

  • Minimum operating temperature of -55ºC

  • Resistance of 8.3 Ω

  • Miniature size designation

  • Voltage rating of 250 V AC


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