Mersen TR225R Class RK5 Time-Delay Fuse 225A 250VAC/250VDC Blade Terminal

Mersen TR225R Class RK5 Time-Delay Fuse 225A 250VAC/250VDC Blade Terminal

Professional Time-Delay Protection for Critical Electrical Systems

The Mersen TR225R delivers reliable overcurrent protection with Class RK5 time-delay characteristics, rated for 225A service at 250VAC/250VDC. This professional-grade fuse features blade terminal connections with tin-plated copper construction and PolyTube insulating material for dependable performance in demanding electrical applications.

Professional Features & Benefits

• 225A Current Rating: Handles high-amperage loads with reliable overcurrent protection for critical circuits and equipment.
• Class RK5 Time-Delay: Provides selective coordination and withstands temporary overloads while clearing sustained faults quickly.
• 250VAC/250VDC Dual Rating: Versatile voltage compatibility for both AC and DC applications in diverse electrical systems.
• 200 kA Breaking Capacity: Exceptional fault current interruption capability ensures safe operation under extreme conditions.
• Blade Terminal Design: Secure clip mounting with tin-plated copper terminals for reliable connections and easy installation.
• PolyTube Construction: Durable insulating material provides excellent electrical isolation and mechanical protection.
• RoHS Compliant: Meets environmental standards for responsible electrical component selection.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 225 A
• Body Insulating Material: PolyTube
• Connection Terminal Material: Tin-Plated Copper
• Connection Terminal Type: Blade
• Frequency Hz : 50/60 Hz
• Fuse Class: Class RK5
• Mounting Method: Clip
• Product Length: 8.63 in
• Product Weight: 1.64 lb
• Rated Voltage Ac Ul: 250 V
• Rated Voltage Dc Ul: 250 V
• Rohs Compliant: Yes
• Speed Characteristic: Time Delay

Installation & Operation

1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
4. Configure any available load management or control features as supported by the provided specifications.
5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

• Industrial Motor Control Centers
• Commercial Electrical Distribution
• Power Generation Equipment
• Manufacturing Process Control
• Critical Infrastructure Protection
• Heavy Equipment Power Systems
• Emergency Power Applications

Why Choose Mersen Quality?

Mersen delivers proven reliability with RoHS compliant construction and professional-grade materials including tin-plated copper terminals and PolyTube insulation. The 8.63-inch compact design and clip mounting system ensure dependable performance in demanding electrical protection applications.