UL Class Fuse, L Class, Time-Delay, 300A, 600V AC, Non-Indicating MPN:A4BY300
UL Class Fuse, L Class, Time-Delay, 300A, 600V AC, Non-Indicating
Protect your electrical systems with Mersen's UL Class Fuse, a reliable and efficient solution for high-current applications. This time-delay fuse features a 300A rating and 600V AC compatibility, making it ideal for use in industrial and commercial settings. The non-indicating design ensures safe and easy installation, while the bolt-on body style provides a secure fit in fuse blocks. With a high interrupt rating of 200kA at 600V AC, this fuse provides unparalleled protection against electrical surges and faults. Suitable for a wide range of applications, including power distribution, motor control, and electrical panel protection.
Top product features:
- Time-Delay functionality to prevent nuisance tripping
- Dual Element design for improved reliability and performance
- Interrupt Rating of 100kA at 300V DC and 200kA at 600V AC for enhanced safety and protection
Top product applications:
- High-Voltage Power Distribution Systems
- Industrial Power Generation and Distribution Equipment
- High-Current Motor Control and Protection Circuits
Fuse, 300 A, 600 V AC, 300 V DC, Class L, A4BY Series, Non-Indicating, Time-Delay, Body Style Bolt-On, Fits Fuse Block Style Non-Rejection, Interrupt Rating 100kA at 300V DC, 200kA at 600V AC, Fuse Size 8-5/8 in L x 2 in dia, Length 8 5/8 in, Diameter 2 in, Equivalent Brand and Series Bussmann KLU, Bussmann KTU, Littelfuse KLLU, Littelfuse KLPC, Mersen A4BY, Equivalent Series A4BY, KLLU, KLPC, KLU, KTU, Compatible Fuse Block Series Not Applicable, Body Material Glass, Melamine, Dual Element
Additional Information
- Country of Origin: MX
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 60 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 2.20
- Package Width: 2.20
- Package Height: 8.80
- Package Weight: 2.57
Product info last updated on February 24, 2026 4:40am UTC
Category: Fuses and Accessories