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RS PRO 250A British Standard Fuse B3 415V AC High Rupture Capacity Tag Fuse 111 mm 521-2781
Specifications
| Country of Origin | India |
|---|---|
| Voltage | 415V ac |
| Diameter | 31mm |
| Brand | RS PRO |
| Height | 31mm |
| Length | 47mm |
| Model | 521-2781 |
| Width | 31mm |
| Overall Length | 136mm |
| Current Rating | 250A |
| Series | RS PRO |
| Standards/Approvals | IEC 269, BS 88 |
| Fuse Size | B3 |
| Fixing Centres | 111 mm |
| Tag Width | 19mm |
| Tag Orientation | Centred |
| Application Category | gG |
| Eaton 250A British Standard Fuse B3 415V ac, 111 mmBrand | Eaton |
| Fuse,BS88,B3 reduced 250Brand | Lawson Fuses |
Key Features
- Complies with IEC 269 and BS 88 standards ensuring high quality and safety.
- Rated current of 250A suitable for demanding electrical loads.
- Bolted tag design offers secure and stable electrical connections.
- Compact dimensions with 111 mm fixing centres for easy installation.
- High rupture capacity enhances protection by safely interrupting fault currents.
- Designed for gG application category, suitable for general purpose use.
- Ideal for industrial electrical systems, automation equipment, mechanical systems, and commercial installations.
Product Description
RS PRO 521-2781 is a 250A British Standard Fuse B3 designed for industrial and commercial applications where reliable circuit protection is essential. It operates at 415V AC and conforms to internationally recognized standards BS 88 and IEC 269, guaranteeing quality and safety.
This fuse features a bolted tag orientation that offers a robust and secure connection, minimizing the risk of accidental disconnection in high-demand environments. Its compact size and fixing centres of 111 mm allow easy integration into existing electrical installations.
With high rupture capacity (HRC), the fuse is capable of safely interrupting high fault currents, protecting electrical equipment from damage and reducing fire hazards. The gG application category makes it versatile for general purpose protection needs in circuits handling resistive and inductive loads.
Its physical dimensions are 31 mm in diameter, 47 mm in length, and 136 mm overall length, making it compatible with a variety of fuse holders and switchgear assemblies. Complies with IEC 269 and BS 88 standards for assured performance and safety.
Rated at 250A current supporting high electrical loads. Bolted tag design ensures strong, stable connections. High rupture capacity for enhanced circuit safety. Compact size facilitates convenient installation. Suitable for use in industrial, automation, mechanical, and commercial electrical systems.
Manufactured in India under strict quality controls.
This RS PRO British Standard Fuse B3 is ideal for protecting circuits in factories, commercial buildings, and automation platforms, helping prevent overloads and faults that could cause downtime or equipment damage. Its robust design and compliance with international standards provide confidence in high-performance electrical safety.
Explore more electrical protection products and fuses in EnvMart’s comprehensive catalogue to find the right solutions for your industrial and commercial electrical needs.
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Frequently Asked Questions
This model has a rated current of 250A, making it suitable for demanding electrical loads.
It operates at 415V AC, ensuring compatibility with high voltage electrical systems.
The fuse has a diameter of 31 mm, a length of 47 mm, and an overall length of 136 mm.
This fuse is designed for the gG application category, suitable for general purpose protection in circuits handling resistive and inductive loads.
It complies with IEC 269 and BS 88 standards, ensuring quality and safety in its operation.
It features a bolted tag design with a tag width of 19 mm, providing secure and stable electrical connections.
The fixing centres for this model are 111 mm, allowing for easy installation in existing setups.
The overall length of this fuse is 136 mm, which is compatible with a variety of fuse holders and switchgear assemblies.
This fuse is manufactured in India under strict quality controls.
The high rupture capacity enhances protection by safely interrupting fault currents, thereby protecting electrical equipment from damage.
It is ideal for use in industrial electrical systems, automation equipment, mechanical systems, and commercial installations.
This model is classified as a B3 fuse size, which is a standard designation for certain types of fuses.
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