Mersen

Mersen TR450R Class RK5 Time-Delay Current Limiting Fuse – 450A – 250VAC/160VDC – Tri-Onic® Series

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SKU: TR450R GTIN/UPC: 782001748180
$138.60
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The Mersen TR450R is a Tri-Onic® Class RK5 time-delay fuse engineered for dependable overcurrent and short-circuit protection in industrial and commercial electrical systems. Rated at 450 Amps, this current-limiting fuse is designed to safely accommodate motor starting currents and transformer inrush currents while maintaining reliable circuit protection. Suitable for applications up to 250VAC and 160VDC, the TR450R is ideal for service entrance equipment, feeders, branch circuits, motors, and transformers requiring time-delay protection and enhanced system reliability.

Voltage and Rating

  • Current Rating: 450 Amps
  • Voltage Rating: 250VAC / 160VDC
  • 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: TR450R
  • Manufacturer: Mersen / Ferraz Shawmut
  • Fuse Class: Class RK5
  • 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, Current-Limiting Design
  • Application: Industrial and Commercial Power Distribution

Standards and Approvals

  • Rated Voltage AC (UL): 250VAC
  • Rated Voltage DC (UL): 160VDC
  • Fuse Classification: Class RK5

Product Data

  • Manufacturer: Mersen / Ferraz Shawmut
  • Series: Tri-Onic® TR-R
  • Part Number: TR450R
  • EAN/UPC: 782001748180

Applications

  • Motor Protection
  • Transformer Protection
  • Service Entrance Equipment
  • Feeder Circuit Protection
  • Branch Circuit Protection
  • Industrial Power Distribution Systems
  • Commercial Electrical Installations
  • Motor Control Centers
  • Manufacturing Facilities
  • Heavy-Duty Electrical Infrastructure Systems
  • General Purpose Overcurrent Protection Applications
  • 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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