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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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Product Info
- Manufacturer:Mersen
- Sub-Category:Low Voltage Fuse
Description
A4BY250
A4BY250 is a Mersen Class L time delay fuse designed for reliable circuit protection with a 250 amp rating.This Class L fuse features a cylindrical glass melamine body with plated terminals for durability in harsh environments. It is rated for 600 VAC and 300 VDC operation, with a current limiting design and a 200 kA interrupt rating for AC and 100 kA for DC. The fuse size is 2 inches in diameter by 8-5/8 inches in length, providing unique dimensions that prevent replacement by other fuse classes. It is suitable for protecting service entrance equipment, feeder circuits, and circuit breakers, offering a 4-second minimum time delay at 500% rating to allow normal current surges and coordination with ground fault relays.
- Key Specifications
- Amperage: 250 A
- Voltage Rating AC: 600 VAC
- Voltage Rating DC: 300 VDC
- Interrupt Rating AC: 200 kA
- Interrupt Rating DC: 100 kA
- Fuse Type: Time Delay / Slow Blow
- Fuse Class: L
- Dimensions: 2" diameter x 8-5/8" length
- Body Material: Glass melamine
- Terminals: Plated
- Current Limiting: Yes
- Part Number: A4BY250
- Manufacturer : Mersen
- Brand : Mersen
- Category : Fuse
- Item Subcategory : Low Voltage Fuse
- Family : AKR Series
- Type : A4BY
- Voltage : 600
- Amperage : 250
- AIC rating : 200kA@600V
- Diameter : 2
- Class Rating : L
- Barrels : 1
- UPC : 782001939014
- GTIN : 00782001939014
- Weight : 1
- Certification : CSA, UL
Specifications
Product Data
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