Eaton 20A British Standard Fuse A1 550V ac, 42.5 mm

Bulk discount available

Subtotal (1 pack of 5 units)*

£18.77

(exc. VAT)

£22.525

(inc. VAT)

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  • Plus 175 unit(s) shipping from 04 May 2026
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Units
Per unit
Per Pack*
5 - 45£3.754£18.77
50 - 120£3.38£16.90
125 - 245£3.076£15.38
250 - 495£2.816£14.08
500 +£2.628£13.14

*price indicative

RS Stock No.:
139-899
Mfr. Part No.:
NITD20M32
Brand:
Eaton
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Brand

Eaton

Current Rating

20A

Product Type

British Standard Fuse

Fuse Size

A1

Voltage

550V ac

Standards/Approvals

EAC, IEC 60269, BS 88

Fixing Centres

42.5 mm

Application Category

gG, gM

Tag Width

11.1mm

High Rupture Capacity

Yes

Length

54.5mm

Overall Length

55mm

Diameter

13.8mm

Series

NITD

RoHS Status: Exempt

Eaton British Standard Fuse, 80kA Breaking Capacity, For AC Circuits - NITD Series - NITD20M32


To keep your power distribution system on course, protect it with this Eaton British Standard fuse. It helps to minimise the chance of electric shocks and damage to equipment by stopping short circuits and overcurrent in their tracks. As a result, plant machinery runs efficiently and safety is boosted. The module's breaking capacity of 80kA means you can rest assured even strong energy surges are cut swiftly. Installation and replacement of this unit are a breeze – if it blows, you simply unbolt it from its carrier and slot in a new one. This is a suitable option for use in commercial and industrial setups, such as those found in power utilities and automotive manufacturing.

Features & Benefits


• Suitable for dense circuit board packing, due to low-temperature rise

• Current rating of 20A for compatibility with demanding equipment

• gM classification makes it the right fit for use in motors

• Comes in a pack of 5 so you'll have spares on hand

What's the power loss of this British Standard fuse?


This product has a low power loss of 2.9W, so you can rest assured it's efficient and has minimal impact on the power supply of your circuit.

Note

Eaton formerly known as Bussmann

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