Eaton 20A British Standard Fuse A1 550V ac, 42.5 mm
- RS Stock No.:
- 139-899
- Mfr. Part No.:
- NITD20M32
- Brand:
- Eaton
Bulk discount available
Subtotal (1 pack of 5 units)*
£18.77
(exc. VAT)
£22.525
(inc. VAT)
FREE delivery for orders over £60.00
In Stock
- Plus 175 unit(s) shipping from 04 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
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
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| 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 | |
| Select all | ||
|---|---|---|
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
Related links
- Eaton 20 A British Standard Fuse A1 550 V ac, 42.5 mm
- Eaton 32 A British Standard Fuse A1 550 V ac, 42.5 mm
- Eaton 32 A British Standard Fuse A1 550 V, 42.5 mm
- RS PRO 20 A British Standard Fuse A1 550 V ac, 44.5 mm
- Eaton 20 A British Standard Fuse A1 550 V ac, 44.5 mm
- RS PRO 25 A British Standard Fuse A1 550 V ac, 44.5 mm
- Eaton 6 A British Standard Fuse A1 550 V ac, 44.5 mm
- Eaton 10 A British Standard Fuse A1 550 V ac, 44.5 mm


