A4BT1000 - 1000 Amp Fuse Description
A4BT1000 - 1000 Amp Fuse
When your electrical system demands serious protection, the Mersen A4BT1000 Amp-Trap® Class L Time-Delay Fuse is built to deliver dependable performance where it matters most. Designed for high-capacity industrial and commercial power distribution systems, this 1000A fuse helps protect mains, feeders, transformers, and large motor circuits from damaging overcurrents and short circuits. Its time-delay construction allows temporary inrush currents during motor startups to pass without unnecessary fuse operation, helping reduce downtime and nuisance interruptions in critical applications.
Whether you are maintaining a manufacturing facility, servicing heavy-duty HVAC equipment, or upgrading industrial power systems, this Mersen Class L fuse delivers the protection and reliability professionals count on every day.
Key Features and Benefits
- Handles high-capacity electrical protection applications up to 1000 amps
- Time-delay design helps prevent nuisance fuse openings during equipment startup
- Ideal for large motors and systems with high inrush current demands
- High 200 kA interrupting rating adds another layer of protection during fault conditions
- Current-limiting Class L fuse helps minimize potential equipment damage
- Supports both 600VAC and 500VDC applications
- Can be applied to normal loads up to its full ampere rating
- Silver-plated copper blade terminals improve conductivity and resist corrosion
- Bolted mounting configuration helps provide a secure and stable installation
Technical Specifications
-
Catalog Number: A4BT1000
-
Manufacturer: Mersen
-
Series: A4BT – Class L – Time-Delay
-
Product Type: Amp-Trap® Fuse
-
Fuse Class: Class L
-
Ampere Rating: 1000A
-
Rated AC Voltage: 600VAC
-
Rated DC Voltage: 500VDC
-
Frequency: 50/60 Hz
-
Interrupting Rating: 200 kA AC
-
Fuse Characteristic: Time Delay
-
Mounting Type: Bolted
-
Terminal Type: Blade
-
Terminal Material: Silver-Plated Copper
-
Body Material: GMG
-
Product Diameter: 63.5 mm
-
Product Length: 273 mm
-
Product Weight: 1.9368 kg
-
UPC/EAN: 782001939922
-
Product Group: Low Voltage UL/CSA Fuses
-
RoHS Compliant: Yes
Material Compliance and Certifications
- The Mersen A4BT1000 fuse is RoHS compliant, helping support modern environmental and material compliance requirements.
- It is designed for use in low-voltage UL/CSA fuse applications and built to meet the performance expectations of today’s industrial electrical systems.
Where It Works Best
- Industrial motor control systems
- Main service entrance protection
- Electrical distribution equipment
- Manufacturing and processing facilities
- Large HVAC and refrigeration systems
- Transformer protection applications
- Commercial power distribution systems
- Heavy-duty feeder circuits
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Mersen® is a registered trademark of Mersen S.A. Products sold are surplus, used, or refurbished and are NOT supplied by Mersen S.A. or its affiliates.
Specifications
- Width:2.0
- Depth:2.0
- Height:10.75
- Amperes:1000
- A.I.C. Rating & Volts:200 kA @ 600 V.AC
- Type:A4BT
- Additional Notes:Knife-Blade Style, Non-Indicating, 10-second Time-Delay (at 500% of rating), current-limiting Class L Fuse
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).