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A4BY1000 Gould A4BY1000 is a 1000A Class L time-delay fuse rated 600V AC and 300V DC with a 200kA AC interrupting rating. It features a bolt-on blade terminal design with a GMG insulating body.
Mfr Part #:

A4BY1000

Available from 1 distributors
Mfr Name: Gould
Gould
Gould A4BY1000 is a 1000A Class L time-delay fuse rated 600V AC and 300V DC with a 200kA AC interrupting rating. It features a bolt-on blade terminal design with a GMG insulating body.
✓ Total Stock: 1 pcs
$ Price Range: $1.20

A4BY1000 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
1 pcs
On Request
1 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

A4BY1000 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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A4BY1000 Description

Short technical summary and product information.

The Gould A4BY1000 is a 1000 ampere Class L time-delay fuse designed for high-current overcurrent protection. It is rated for 600 volts AC and 300 volts DC, with an interrupting rating of 200 kiloamperes AC and 100 kiloamperes DC. The fuse provides a 4-second time delay at 500% rated load, making it suitable for circuits with inrush currents.

 

The fuse body is constructed from GMG insulating material, and the connection terminals are silver-plated copper blades for reliable conductivity. It uses a bolt-on mounting style and has a diameter of 2.5 inches. The A4BY1000 is UL Listed to Standard 248-10, CSA Certified, and DC tested to UL 248 limits.

A4BY1000 Quick Information

Product Type: Fuse
Canonical Name: Gould A4BY1000 Class L Time-Delay Fuse, 1000A, 600V AC/300V DC
Subcategory: Class L Time-Delay Fuse

A4BY1000 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

A4BY1000 Estimated Pricing

Qty Low High
1+ $1.20 $1.20

Estimated market price range - modelled values for guidance only, not live distributor offers.

A4BY1000 Features

  • 1000A Class L time-delay fuse.
  • Rated 600V AC and 300V DC.
  • 200kA AC interrupting rating.
  • Bolt-on silver-plated copper blade terminals.
  • GMG insulating body construction.

A4BY1000 Applications

  • High-current branch circuit protection.
  • Motor circuits with inrush currents.
  • Industrial power distribution systems.
  • Switchboard and panelboard protection.

A4BY1000 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the Gould A4BY1000?

The Gould A4BY1000 is rated for 1000 amperes.

What are the voltage ratings for the A4BY1000?

The A4BY1000 is rated 600V AC and 300V DC.

What is the interrupting rating of the A4BY1000?

The interrupting rating is 200 kA AC and 100 kA DC.

What is the time delay characteristic of this fuse?

The A4BY1000 has a 4-second time delay at 500% rated load.

What is the mounting type for the A4BY1000?

The fuse uses a bolt-on mounting type with blade terminals.

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