Bulk discount available
Subtotal (1 pack of 5 units)*
£23.24
(exc. VAT)
£27.89
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 290 unit(s) ready to ship
- Plus 425 unit(s) shipping from 20 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 5 - 20 | £4.648 | £23.24 |
| 25 - 120 | £3.918 | £19.59 |
| 125 - 245 | £3.42 | £17.10 |
| 250 - 495 | £3.076 | £15.38 |
| 500 + | £2.946 | £14.73 |
*price indicative
- RS Stock No.:
- 521-2933
- Brand:
- RS PRO
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | RS PRO | |
| Current Rating | 20A | |
| Fuse Size | F1 | |
| Voltage Rating | 550V ac | |
| Fuse Standard | BS 88, IEC 269-1 | |
| Application Category | gG | |
| Tag Width | 12.7mm | |
| High Rupture Capacity | Yes | |
| Overall Length | 58.5mm | |
| Body Diameter | 13.8mm | |
| Tag Type | Blade | |
| Body Length | 34.6mm | |
| Body Height | 34.6mm | |
| Series | NSD | |
| Fuse Dimensions | 13.8 x 58.5mm | |
| Select all | ||
|---|---|---|
Brand RS PRO | ||
Current Rating 20A | ||
Fuse Size F1 | ||
Voltage Rating 550V ac | ||
Fuse Standard BS 88, IEC 269-1 | ||
Application Category gG | ||
Tag Width 12.7mm | ||
High Rupture Capacity Yes | ||
Overall Length 58.5mm | ||
Body Diameter 13.8mm | ||
Tag Type Blade | ||
Body Length 34.6mm | ||
Body Height 34.6mm | ||
Series NSD | ||
Fuse Dimensions 13.8 x 58.5mm | ||
RoHS Status: Exempt
- COO (Country of Origin):
- IN
Eaton NSD Series British Standard Fuse, 20A Current Rating, 550V AC Voltage Rating - NSD20RS
This British Standard Fuse is designed for reliable protection in electrical circuits. As a high-quality component, this 20A fuse features exceptional durability and efficiency. Measuring 58.5mm in overall length and equipped with a blade type tag, its design is in accordance with BS 88 and IEC 269-1 standards, making it suitable for a wide array of applications in electrical systems.
Features & Benefits
• 20A rating suitable for various electrical systems
• Operates at a voltage rating of 550V AC
• Compact size facilitates easy installation in tight spaces
• Complies with BS 88 and IEC 269-1 standards for reliability
• Operates at a voltage rating of 550V AC
• Compact size facilitates easy installation in tight spaces
• Complies with BS 88 and IEC 269-1 standards for reliability
Applications
• Used for circuit protection in industrial machinery
• Suitable for electrical requiring a 20A rating
• Ideal for use in automation and control systems
• Effective in devices requiring high rupture capacity fuses
• Suitable for electrical requiring a 20A rating
• Ideal for use in automation and control systems
• Effective in devices requiring high rupture capacity fuses
What type of environments is this fuse suitable for?
The fuse is ideal for industrial applications and environments where electrical systems require robust and reliable circuit protection against overloads and short circuits.
How does its blade type design enhance connection stability?
The blade type design provides a secure fit in fuse holders, ensuring minimal movement and maintaining a safe electrical connection during operation.
What maintenance is required for effective operation?
Regular inspection of the fuse for signs of wear or damage is recommended to ensure optimal performance, especially in high-demand scenarios.
How does the high rupture capacity impact safety?
The high rupture capacity means the fuse can safely interrupt excessive current levels, reducing the risk of equipment damage and fire hazards in circuits.
Related links
- Eaton 20A British Standard Fuse 550V ac
- RS PRO 6A British Standard Fuse 550V ac
- Eaton 32A British Standard Fuse 550V ac
- Eaton 25A British Standard Fuse 550V ac
- Eaton 6A British Standard Fuse 550V ac
- Eaton 16A British Standard Fuse 550V ac
- RS PRO 10A British Standard Fuse 550V ac
- RS PRO 4A British Standard Fuse 550V ac
