2 Year Warranty Guaranteed
All items both Re-Certified, and New sold by Essential Electric include a 30 day return policy and a 2-year full warranty. This means that they are guaranteed to be free from defects for a full 2 years from the date that the product was shipped from our warehouse.
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Description
A4BY400-55AL
A4BY400-55AL is a Mersen Amp-Trap Class L time-delay fuse rated for 400 amperes at 600 volts AC and 300 volts DC, designed to protect service entrance equipment, feeder circuits, and circuit breakers. This current-limiting fuse features a 4-second minimum time delay at 500 percent rating, allowing it to pass normal current surges while coordinating with ground fault relays. The cylindrical body with plated terminals provides superior reliability in harsh environments, and blade-stamped catalog numbers ensure permanent identification.
- Amperage Rating: 400A
- Voltage Rating: 600V AC / 300V DC
- Fuse Class: Class L
- Speed Characteristic: Time Delay (4-second minimum)
- AC Interrupting Rating: 200,000 AIC
- DC Interrupting Rating: 100,000 AIC
- Physical Size: 2 inches x 8 5/8 inches
- Current Limiting: Yes
- UL Listed to Standard 248-10 (601-6000A), File E2137
- CSA Certified to Standard C22.2 No. 248.10
- Operating Frequency: 50/60 Hz
Specifications
- Part Number: A4BY400-55AL
- Manufacturer : Mersen
- Brand : Ferraz Shawmut
- Category : Fuse
- Item Subcategory : Fuse Part
- Family : Amp-Trap
- Type : A4BY
- Voltage : 600
- Amperage : 400
- AIC rating : 200kA@600V
- Connection : Bolt-In
- Barrels : 1
- Velocity : TD - Time Delay
Product Data
- UPC : 78200193781
- GTIN : 00782001937812
- Weight : 4
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