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A3T125 - 125Amp Fuse

  • 125 Amp
  • 200 kA @ 300 V.AC Volts AC

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A3T125 - 125Amp Fuse Description

A3T125 - 125Amp Fuse

The Mersen A3T125 is a 125 Amp, Class T fast-acting fuse designed for superior protection in compact electrical systems. Operating at 300VAC and 160VDC, this fuse offers exceptional current-limiting performance with interrupting ratings of 200kA AC and 50kA DC, effectively minimizing potential damage during fault conditions. Its compact size and unique dimensions prevent the substitution of other fuses with lower voltage ratings or current-limiting capabilities, ensuring optimal safety and performance. The A3T125's glass melamine body provides excellent dimensional stability, and its blade-stamped catalog number ensures permanent identification.

Key Features and Benefits

  • High Current-Limiting Capability: Interrupting ratings of 200kA AC and 50kA DC for rapid fault interruption.
  • Compact Design: Small physical size allows for greater design flexibility in space-constrained applications.
  • Unique Dimensions: Prevents replacement by other fuse classes, maintaining system integrity.
  • Durable Construction: Glass melamine body offers superior dimensional stability.
  • Permanent Identification: Blade-stamped catalog numbers facilitate easy and lasting identification.

Technical Specifications

  • Catalog Number: A3T125
  • Voltage Rating: 300VAC / 160VDC
  • Current Rating: 125 Amps
  • Interrupting Rating: 200kA AC / 50kA DC
  • Frequency: 50/60 Hz
  • Dimensions: 2.44 inches (length) x 1.06 inches (diameter)
  • Terminal Type: Blade
  • Body Material: Glass melamine
  • Mounting Type: Bolt-On

Material Compliance and Certifications

  • UL Listed: Standard 248-15, File E2137
  • CSA Certified: Standard C22.2 No. 248.15
  • DC UL Listed: Standard 248
  • RoHS Compliant: Ensures adherence to environmental and safety standards.

Suitability

  • The A3T125 fuse is ideal for applications requiring high-speed fault interruption in compact spaces, such as load centers, panelboards, switchboards, circuit breakers, and metering centers. Its fast-acting characteristic and high interrupting capacity make it suitable for protecting sensitive equipment and ensuring system reliability.

 

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. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:1.062
  • Depth:1.062
  • Height:2.437
  • Amperes:125
  • A.I.C. Rating & Volts:200 kA @ 300 V.AC
  • Type:A3T
  • Additional Notes:Knife-Blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T 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).

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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).

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