Mersen

Mersen TR350R Class RK5 Time-Delay Current Limiting Fuse – 350A – 250VAC/250VDC – Tri-Onic® Series

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SKU: TR350R GTIN/UPC: 782001748142
$85.40
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The Mersen TR350R is a Tri-Onic® Class RK5 time-delay fuse designed for reliable overcurrent and short-circuit protection in industrial and commercial power distribution systems. Rated at 350 Amps, this current-limiting fuse is engineered to safely tolerate motor starting currents and transformer inrush conditions while maintaining dependable circuit protection. With voltage ratings up to 250VAC and 250VDC, the TR350R is suitable for use in feeders, branch circuits, service entrance equipment, motors, and transformers requiring coordinated time-delay protection.

Voltage and Rating

  • Current Rating: 350 Amps
  • Voltage Rating: 250VAC / 250VDC
  • Frequency: 50/60 Hz
  • Fuse Class: RK5
  • Fuse Type: Time-Delay, Current-Limiting

Key Specifications

  • Product Type: Industrial Fuse
  • Series: Tri-Onic® TR-R
  • Part Number: TR350R
  • Manufacturer: Mersen / Ferraz Shawmut
  • Mounting Style: Blade
  • Time-Delay Feature: Yes
  • Current Limiting: Yes

Technical Specifications

  • Protection Type: Overcurrent and Short-Circuit Protection
  • Suitable For: Motors, Transformers, Feeders, Service Entrance Equipment, and Branch Circuits
  • Inrush Current Handling: Designed to withstand motor starting and transformer energizing currents
  • Construction Features: Time-Delay Operation, High Interrupting Current-Limiting Design
  • Application: Industrial and Commercial Power Distribution Systems

Standards and Approvals

  • Rated Voltage AC (UL): 250VAC
  • Rated Voltage DC (UL): 250VDC
  • Fuse Classification: Class RK5

Product Data

  • Manufacturer: Mersen / Ferraz Shawmut
  • Series: Tri-Onic® TR-R
  • Part Number: TR350R
  • EAN/UPC: 782001748142

Applications

  • Motor Protection
  • Transformer Protection
  • Service Entrance Equipment
  • Feeder Circuit Protection
  • Branch Circuit Protection
  • Industrial Power Distribution Systems
  • Commercial Electrical Installations
  • Motor Control Centers
  • Heavy-Duty Electrical Infrastructure
  • General Purpose Overcurrent Protection Systems
  • Type Fuses
  • Vendor Mersen
  • Brand Mersen

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You may return items within 30 days of delivery for a refund.

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