Mersen TR1R Class RK5 Time-Delay Fuse 1A 250VAC/250VDC Ferrule Terminal

Mersen TR1R Class RK5 Time-Delay Fuse 1A 250VAC/250VDC Ferrule Terminal

Professional Time-Delay Protection for AC/DC Applications

The Mersen TR1R delivers reliable overcurrent protection with Class RK5 time-delay characteristics for both AC and DC circuits up to 250V. This professional-grade fuse features ferrule terminals with copper connection material and PolyTube body insulation, providing dependable circuit protection with 200 kA breaking capacity for demanding electrical applications.

Professional Features & Benefits

• Class RK5 Time-Delay Design: Provides selective coordination and withstands temporary overloads while protecting against sustained overcurrent conditions
• Dual Voltage Rating 250VAC/250VDC: Versatile protection for both alternating and direct current applications up to 250V
• 200 kA Breaking Capacity: High interrupting rating ensures reliable fault current interruption in demanding electrical systems
• Ferrule Terminal Construction: Copper terminals provide secure, low-resistance connections for reliable electrical contact
• PolyTube Body Insulation: Durable insulating material ensures safe operation and long service life
• Compact 2-inch Length: Space-efficient design fits standard fuse holders and electrical enclosures
• RoHS Compliant: Meets environmental compliance standards for professional electrical installations

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 1:00 AM
• 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: 2 in
• Product Weight: 0.037 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 Control Panels and Motor Control Centers
• Commercial HVAC and Lighting Systems
• Power Distribution Equipment
• Electronic Equipment Protection
• Instrumentation and Control Circuits
• DC Power Systems and Battery Backup Applications
• Renewable Energy System Protection

Why Choose Mersen Quality?

Mersen delivers proven reliability with RoHS compliant construction and professional-grade materials including copper terminals and PolyTube insulation. The compact, lightweight design at 0.037 lb ensures easy installation while maintaining the high performance standards required for critical electrical protection applications.