Mersen TR50R Class RK5 Time-Delay Fuse 50A 250VAC/250VDC Ferrule Terminal

Mersen TR50R Class RK5 Time-Delay Fuse 50A 250VAC/250VDC Ferrule Terminal

Professional Time-Delay Protection for AC/DC Applications

The Mersen TR50R delivers reliable Class RK5 time-delay protection with 50A rating for both 250VAC and 250VDC applications. This professional-grade fuse features ferrule terminals with copper connection material and PolyTube body insulation, providing dependable overcurrent protection with 200 kA breaking capacity for demanding electrical systems.

Professional Features & Benefits

• 50A Ampere Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment.
• Class RK5 Time-Delay: Offers coordinated protection with temporary overload tolerance, reducing nuisance tripping while maintaining safety.
• 250VAC/250VDC Dual Rating: Versatile voltage compatibility for both AC and DC applications in a single fuse design.
• 200 kA Breaking Capacity: High interrupting rating ensures reliable fault current interruption in demanding electrical environments.
• Ferrule Terminal Design: Copper terminals provide secure, low-resistance connections for reliable electrical contact.
• PolyTube Body Construction: Durable insulating material ensures long-term performance and electrical isolation.
• RoHS Compliant: Meets environmental standards for responsible electrical component manufacturing.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 50 A
• Body Insulating Material: PolyTube
• Connection Terminal Material: Copper
• Connection Terminal Type: Ferrule
• Frequency Hz : 50/60 Hz
• Fuse Class: Class RK5
• Mounting Method: Clip
• Product Length: 3 in
• Product Weight: 0.119 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 Supply Protection
• Manufacturing Equipment
• Electrical Control Cabinets
• Process Control Systems

Why Choose Mersen Quality?

Mersen delivers proven reliability with RoHS compliant construction and professional-grade materials including copper terminals and PolyTube insulation. The compact 3-inch length and lightweight 0.119 lb design ensures easy installation while maintaining the high 200 kA breaking capacity required for demanding electrical protection applications.