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A4BY450 - Ferraz Shawmut Amp-Trap 600 Volt 450 Amp Time Delay UL Class L Fuse ( Equal to KTU, KLLU )
When it comes to protecting service entrance equipment, feeder circuits, and circuit breakers, A4BY fuses have been the industry’s favorite. The A4BY is a 100% rated device and may be applied at continuous currents up to its ampere rating. A 4-second minimum time delay at 500% rating allows the A4BY to pass normal current surges and to coordinate with ground fault relays.
Features:
- Unique dimensions prevent replacement by other fuse classes
- Blade stamped catalog numbers for permanent identification
- Glass melamine body and plated terminals provide superior reliability in harsh environments
Applications:
- Mains, Feeders
- Circuit Breakers
- Loadcenters
- Panelboards
- Switchboards
- Metering Centers
Discount Fuse, Inc. is a Factory Authorized Distributor of Ferraz Shawmut Products.
- Ratings:
- AC: 200 to 6,000A 600VAC,200kA I.R.
- DC: 200 to 2500A 300VDC, 100kA I.R.
- APPROVALS:
- UL Listed to Standard 248-10 (601-6000A) File E2137
- CSA Certified to Standard C22.2 No. 248.10 (601-6000A)
- Ferraz Shawmut Certified for DC per UL248 (601-6000A)
- For A PDF File That Includes Complete Technical Specs, Dimensions, Etc., Click HERE
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