Need more information?
Mersen RF450
Fast-Acting Fuse Class H 250VAC 450A
Product Description
The Class H Fast-Acting Fuse is designed for general purpose applications where short-circuit currents do not exceed 10,000 amperes. It operates at a voltage of 250VAC and features a cylindrical body style. This fuse is compatible with replacement links from the RL series, available in amperage ratings from 2 to 600A.
Constructed with a brass contact material, this fuse ensures reliable performance in various settings. It is compliant with UL standards, specifically UL Listed to Standard 248-7 and has CSA certification. Additionally, it meets CE requirements and is ROHS compliant, thus ensuring adherence to safety and environmental regulations. The fuse mounts via a clip and utilizes a ferrule blade connection terminal type.
Need more information?
Offer details
- Offer from:
Trusted supplier — United States, member since 2023
- Availability:
- 3 pcs.Updated at: 19-09-2026In-Stock
- Warranty:
- 12 months
- Condition:
- New Factory Sealed
Specifications
- Brand
- Mersen
- CE conformity
- Consult Technical Services
- I.R. AC
- 10 kA
- Lead Free
- Consult Technical Services
- CSA Certification
- 1421-02 1421-02
- Body Material
- FWGE
- Class
- Class H
Available Offers
(1)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
![]() | Condition New Factory Sealed | Availability 3 pcs. Updated at: 19-09-2026In-Stock | Supplier | Warranty 12 months |
Documents
Data Sheet
Datasheet for Mersen RF450, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 19-09-2026

Market insights for RF450
Get real-time analytics and market data for RF450 and other products from the Circuit Breakers & Fuses category to optimize your purchasing decisions
- Real-time stock availability data from 700 MRO distributors in Europe and USA
- Price analysis by condition (new, used, refurbished) with market median prices
- Critical component availability monitoring to prevent production downtime

