RS PRO 25A British Standard Fuse, A1, 550V ac, 44.5mm
- RS Stock No.:
- 521-2539
- Brand:
- RS PRO
Bulk discount available
Subtotal (1 pack of 5 units)*
£25.11
(exc. VAT)
£30.13
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 200 unit(s) ready to ship
- Plus 400 unit(s) shipping from 05 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
---|---|---|
5 - 20 | £5.022 | £25.11 |
25 - 120 | £4.238 | £21.19 |
125 - 245 | £3.692 | £18.46 |
250 - 495 | £3.32 | £16.60 |
500 + | £3.19 | £15.95 |
*price indicative
- RS Stock No.:
- 521-2539
- 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 | 25A | |
Fuse Size | A1 | |
Voltage Rating | 550V ac | |
Fuse Standard | BS 88, IEC 60269 | |
Fixing Centres | 44.5mm | |
Application Category | gG | |
Tag Width | 11.1mm | |
High Rupture Capacity | Yes | |
Overall Length | 55.2mm | |
Body Diameter | 13.7mm | |
Tag Type | Slotted | |
Body Length | 34.6mm | |
Tag Orientation | Offset | |
Body Height | 14mm | |
Fuse Dimensions | 13.7 x 55.2mm | |
Series | STD | |
Select all | ||
---|---|---|
Brand RS PRO | ||
Current Rating 25A | ||
Fuse Size A1 | ||
Voltage Rating 550V ac | ||
Fuse Standard BS 88, IEC 60269 | ||
Fixing Centres 44.5mm | ||
Application Category gG | ||
Tag Width 11.1mm | ||
High Rupture Capacity Yes | ||
Overall Length 55.2mm | ||
Body Diameter 13.7mm | ||
Tag Type Slotted | ||
Body Length 34.6mm | ||
Tag Orientation Offset | ||
Body Height 14mm | ||
Fuse Dimensions 13.7 x 55.2mm | ||
Series STD | ||
RoHS Status: Exempt
- COO (Country of Origin):
- IN
Eaton STD Series British Standard Fuse, 25A Current Rating, 550V AC Voltage Rating - NITD20M25RS
This Fuse is an essential component designed for protecting various industrial applications. Featuring a current rating of 25A and a voltage rating of 550V AC, it meets the stringent BS 88 and IEC 60269 standards. The dimensions of this fuse are compatible with size A1, with fixing centres measuring 44.5mm.
Features & Benefits
• Peak let-through current limitation enhances safety
• Selective coordination offers 1:1:6 ratio for effective operation
• Designed for power loss values within limits of IEC standards
• Offset bolted tags ensure secure and efficient installation
• Suitability for RoHS compliant applications enhances versatility
• Selective coordination offers 1:1:6 ratio for effective operation
• Designed for power loss values within limits of IEC standards
• Offset bolted tags ensure secure and efficient installation
• Suitability for RoHS compliant applications enhances versatility
Applications
• Used for power distribution in industrial settings
• Ideal for motor protection and cable safeguarding
• Effective in compliance with electrical fuse standards
• Ideal for motor protection and cable safeguarding
• Effective in compliance with electrical fuse standards
What makes the specification of this fuse suitable for industrial applications?
The fuse features a high breaking capacity of 80kA, making it highly effective in limiting damage during fault conditions, thereby enhancing overall system safety.
How does the offset tag orientation benefit installation?
The offset tag design allows for easier installation in confined spaces, providing flexibility while maintaining a secure fit to the fuse holder.
What range of currents can be accommodated with this fuse?
This particular fuse can handle a current rating of up to 25A, with options available ranging from 2A to 32A, making it versatile for various applications.
How does this fuse comply with electrical standards?
It adheres to BS 88-2 and IEC 60269-2 specifications, ensuring it meets rigorous safety and performance criteria for electrical components.
What advantages does a high rupture capacity fuse offer?
High rupture capacity ensures effective interruption of high fault currents, protecting connected equipment and maintaining system integrity during fault conditions.
Related links
- Eaton 25A British Standard Fuse 550V ac, 44.5mm
- RS PRO 2A British Standard Fuse 550V ac, 44.5mm
- RS PRO 4A British Standard Fuse 550V ac, 44.5mm
- RS PRO 16A British Standard Fuse 550V ac, 44.5mm
- RS PRO 10A British Standard Fuse 550V ac, 44.5mm
- RS PRO 20A British Standard Fuse 550V ac, 44.5mm
- RS PRO 6A British Standard Fuse 550V ac, 44.5mm
- Eaton 4A British Standard Fuse 550V ac, 44.5mm