Mersen TR225R Tri-Onic Class RK5 Time-Delay Fuse for Overcurrent Protection
Mersen TR225R Tri-Onic Class RK5 Time-Delay Fuse for Overcurrent Protection
Mersen TR225R Tri-Onic Class RK5 Time-Delay Fuse for Overcurrent Protection
    Mersen TR225R Tri-Onic Class RK5 Time-Delay Fuse for Overcurrent Protection
Mersen TR225R Tri-Onic Class RK5 Time-Delay Fuse for Overcurrent Protection

Mersen TR225R Tri-Onic Class RK5 Time-Delay Fuse for Overcurrent Protection

Part #: TR225R Manufactured by: Mersen / Ferraz Shawmut
Regular price
$77.00
Sale price
$77.00
Regular price
4 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The TR225R, manufactured by Mersen Electrical Power, formerly known as Ferraz Fuses and Gould Fuses, represents a highly r...  Read more
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Warranty for Product #: TR225R
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Product Description P/N: TR225R

Description / Specifications

Description 

The Mersen TR225R is a Tri-Onic series Class RK5 time-delay fuse designed for reliable overcurrent protection in AC and DC systems. Rated at 225 Amps and 250 Volts, it provides current-limiting performance to protect motors, feeders, and distribution circuits. The TR225R is engineered to reduce nuisance tripping while maintaining high interrupting capability.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Mersen
Category Panel Accessories
Part Number TR225R
Subcategory Fuse
Fuse Class Class RK5
Current Rating 225 A
Rated Voltage (AC) 250 V
Rated Voltage (DC) 250 V
Frequency 50/60 Hz
Speed / Characteristic Time Delay
Interrupting Rating 200 kA AC
Mounting Type Clip
Terminal Type Blade
Terminal Material Tin-Plated Copper
Body Material PolyTube
AC / DC Rating AC/DC
ROHS Compliance Yes
Product Length 8.63 in
Product Diameter 2.06 in

 

 

Information About TR225R

The TR225R is part of Mersen’s Tri-Onic family of current-limiting fuses developed for demanding electrical protection applications. It features a time-delay design that allows temporary inrush currents, such as motor starting, without compromising protection against sustained overloads and short circuits. The fuse is constructed using advanced materials, including a PolyTube body and tin-plated copper blade terminals, to ensure consistent performance and durability. It is commonly installed in motor circuits, service entrance equipment, feeders, transformers, and general-purpose power distribution systems.

Key Features:

  • 225 Amp Rating: Suitable for high-current motor and feeder protection.
  • Class RK5 Fuse: Designed for use in standard RK5 fuse holders.
  • Time-Delay Characteristic: Allows inrush currents while protecting against overloads.
  • High Interrupting Capacity: Rated up to 200 kA for severe fault conditions.
  • Current-Limiting Design: Reduces peak let-through energy during short circuits.
  • AC/DC Rated: Supports both alternating and direct current applications.
  • Blade-Type Terminals: Ensures secure electrical contact in clip-mounted installations.

The TR225R delivers the reliability and precision required for motor circuits, feeders, and industrial power protection systems.

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Description / Specifications

Description 

The Mersen TR225R is a Tri-Onic series Class RK5 time-delay fuse designed for reliable overcurrent protection in AC and DC systems. Rated at 225 Amps and 250 Volts, it provides current-limiting performance to protect motors, feeders, and distribution circuits. The TR225R is engineered to reduce nuisance tripping while maintaining high interrupting capability.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Mersen
Category Panel Accessories
Part Number TR225R
Subcategory Fuse
Fuse Class Class RK5
Current Rating 225 A
Rated Voltage (AC) 250 V
Rated Voltage (DC) 250 V
Frequency 50/60 Hz
Speed / Characteristic Time Delay
Interrupting Rating 200 kA AC
Mounting Type Clip
Terminal Type Blade
Terminal Material Tin-Plated Copper
Body Material PolyTube
AC / DC Rating AC/DC
ROHS Compliance Yes
Product Length 8.63 in
Product Diameter 2.06 in

 

 

Information About TR225R

The TR225R is part of Mersen’s Tri-Onic family of current-limiting fuses developed for demanding electrical protection applications. It features a time-delay design that allows temporary inrush currents, such as motor starting, without compromising protection against sustained overloads and short circuits. The fuse is constructed using advanced materials, including a PolyTube body and tin-plated copper blade terminals, to ensure consistent performance and durability. It is commonly installed in motor circuits, service entrance equipment, feeders, transformers, and general-purpose power distribution systems.

Key Features:

  • 225 Amp Rating: Suitable for high-current motor and feeder protection.
  • Class RK5 Fuse: Designed for use in standard RK5 fuse holders.
  • Time-Delay Characteristic: Allows inrush currents while protecting against overloads.
  • High Interrupting Capacity: Rated up to 200 kA for severe fault conditions.
  • Current-Limiting Design: Reduces peak let-through energy during short circuits.
  • AC/DC Rated: Supports both alternating and direct current applications.
  • Blade-Type Terminals: Ensures secure electrical contact in clip-mounted installations.

The TR225R delivers the reliability and precision required for motor circuits, feeders, and industrial power protection systems.

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