Mersen TR90R Class RK5 Time-Delay Fuse 90A 250VAC/250VDC Blade Terminal

Mersen TR90R Class RK5 Time-Delay Fuse 90A 250VAC/250VDC Blade Terminal

Professional Time-Delay Protection for AC/DC Applications

The Mersen TR90R delivers reliable Class RK5 time-delay fuse protection with 90A rating for both 250VAC and 250VDC applications. This professional-grade fuse features blade terminal connections with tin-plated copper construction and PolyTube insulating material for dependable performance in demanding electrical systems. With 200 kA breaking capacity and clip mounting design, it provides comprehensive overcurrent protection for diverse AC/DC installations.

Professional Features & Benefits

• 90A Current Rating: Handles substantial electrical loads while providing precise overcurrent protection for critical circuits.
• Class RK5 Time-Delay: Allows temporary overloads while protecting against sustained overcurrent conditions, ideal for motor and inductive load applications.
• 250VAC/250VDC Dual Rating: Versatile voltage compatibility supports both AC and DC systems in a single fuse design.
• 200 kA Breaking Capacity: High interrupting rating ensures safe fault current interruption in high-energy electrical systems.
• Blade Terminal Design: Tin-plated copper terminals provide secure, low-resistance connections with excellent corrosion resistance.
• PolyTube Construction: Advanced insulating material delivers superior electrical isolation and mechanical durability.
• RoHS Compliant: Meets environmental standards for safe, responsible electrical component manufacturing.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 90 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: 5.88 in
• Product Weight: 0.303 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 HVAC Systems
• Power Distribution Panels
• DC Power Systems
• Manufacturing Equipment Protection
• Electrical Switchgear Applications
• Process Control Systems

Why Choose Mersen Quality?

Mersen delivers proven electrical protection solutions with RoHS compliant manufacturing and professional-grade construction. The TR90R fuse combines advanced PolyTube insulation with tin-plated copper terminals for long-term reliability in critical electrical applications, backed by comprehensive technical specifications and industry-standard performance ratings.