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TR12R - 12 Amp Fuse

  • 12 Amp
  • 200 kA @ 250 V.AC Volts AC
FusesSKU: TR12R

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TR12R - 12 Amp Fuse Description

TR12R - 12 Amp Fuse

The TR12R Class R Fuse is built for your electrical systems that need dependable overcurrent protection without unnecessary interruptions. Rated at 12 amps, this cartridge-style fuse combines time-delay performance with current-limiting protection, making it a smart choice for circuits exposed to temporary startup surges or inrush currents. Its compact footprint allows it to fit easily into many commercial and industrial electrical systems, while its high interrupting capacity helps protect connected equipment during severe fault conditions. Designed for consistent operation in demanding environments, the TR12R helps reduce the risk of equipment damage and costly downtime caused by overloads and short circuits.

Key Features and Benefits

  • 12A Current Rating: Provides reliable circuit protection for electrical systems requiring dependable overcurrent protection.
  • Time-Delay Operation: Helps prevent nuisance openings during equipment startup or temporary inrush current conditions.
  • Current-Limiting Design: Reduces damage from high fault currents and helps protect connected equipment during severe fault conditions.
  • High Interrupting Rating: Rated at 200 kA at 250VAC for dependable performance in demanding commercial and industrial environments.
  • Cartridge-Style Construction: Allows convenient installation in compatible electrical systems and fuse holders.
  • Class R Fuse Design: Supports secure compatibility with rejection-style fuse holders.
  • Non-Indicating Configuration: Provides straightforward maintenance and replacement without additional indication components.

Technical Specifications

  • Part Number: TR12R
  • Type: TR
  • Ampere Rating: 12A
  • Voltage Rating: 250VAC
  • Interrupting Rating: 200 kA @ 250VAC
  • Fuse Class: Class R
  • Style: Cartridge
  • Time Characteristic: Time-Delay
  • Indication Type: Non-Indicating
  • Dimensions:
    • Height: 2.0 in.
    • Width: 0.56 in.
    • Depth: 0.56 in.

Material Compliance and Certifications

  • Application Design: The TR12R fuse is designed for use in electrical systems that require dependable Class R overcurrent protection.
  • Current-Limiting Protection: Its current-limiting design helps enable safer operation in commercial and industrial applications, where reliable fault protection is important for system performance and equipment longevity.

Where It Works Best

  • The TR12R is commonly used in industrial machinery, HVAC systems, motor protection circuits, commercial distribution panels, lighting systems, transformer protection applications, and control panels and electrical equipment. Its time-delay characteristics make it especially useful in systems where motors or other equipment create brief startup surges that standard fast-acting fuses may not handle effectively.

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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:0.56
  • Depth:0.56
  • Height:2.0
  • Amperes:12
  • A.I.C. Rating & Volts:200 kA @ 250 V.AC
  • Type:TR
  • Additional Notes:Cartridge Style, Non-Indicating, Time-Delay, current-limiting Class R Fuse

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

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