MERSEN Medium Voltage Fuse: A500 Series, R-Rated, 5 kV AC, 3 A, Fast-Acting
The MERSEN A500 Series is a fast-acting, general-purpose cylindrical medium voltage fuse, specifically the R-Rated A500T3E-1 model. It is rated for 5 kV AC and 3 A, with a non-indicating design. This fuse is designed…
SKU 3G-OTH-24940
Need installation or engineering help?
Ask a question
Product Description
The MERSEN A500 Series is a fast-acting, general-purpose cylindrical medium voltage fuse, specifically the R-Rated A500T3E-1 model. It is rated for 5 kV AC and 3 A, with a non-indicating design. This fuse is designed for fast-acting overcurrent protection in medium voltage applications.
Frequently Asked Questions
What is the MERSEN A500T3E-1 medium voltage fuse used for?
The MERSEN A500T3E-1 is a fast-acting, R-rated medium voltage fuse designed for overcurrent protection in motor circuits and transformer primaries. It is commonly applied in industrial switchgear and control panels operating at 5 kV AC, providing reliable short-circuit interruption.
What are the specifications of the MERSEN A500T3E-1 fuse?
The MERSEN A500T3E-1 is a 5 kV AC, 3 A, fast-acting, non-indicating fuse from the A500 Series. It is R-rated for motor-circuit protection and has a cylindrical body. The manufacturer part number is A500T3E-1, and it is designed for general-purpose medium voltage applications.
Where to buy the MERSEN A500T3E-1 fuse worldwide?
3G Electric supplies the MERSEN A500T3E-1 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this fast-acting medium voltage fuse.
How to select the correct MERSEN A500 series fuse for a motor circuit?
Selecting the correct MERSEN A500 series fuse requires matching the voltage rating (5 kV AC), current rating (3 A for the A500T3E-1), and R-rating to the motor full-load amps and starting characteristics. Always consult the motor nameplate and applicable NEC/IEC guidelines to ensure proper coordination.
Used in
Common applications for MERSENMERSEN Products
3G Electric supplies MERSEN fast-acting & general-purpose cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















