Mersen TR-R Class RK5 Time-Delay Fuse 4A 250VAC/160VDC Ferrule Terminal

Mersen TR-R Class RK5 Time-Delay Fuse 4A 250VAC/160VDC Ferrule Terminal

Professional Time-Delay Protection with High Breaking Capacity

The Mersen TR-R Class RK5 time-delay fuse delivers reliable overcurrent protection with 4A rating for both AC and DC applications. Featuring 250VAC/160VDC voltage ratings and 200kA breaking capacity, this ferrule terminal fuse provides professional-grade circuit protection with copper connection terminals and PolyTube insulating material for dependable performance in demanding electrical systems.

Professional Features & Benefits

• 4A Current Rating: Provides precise overcurrent protection for sensitive circuits and equipment applications.
• Class RK5 Time-Delay: Allows temporary overloads while protecting against sustained overcurrent conditions for motor and inductive load compatibility.
• 200kA Breaking Capacity: Delivers exceptional fault current interruption capability for high-demand electrical systems and installations.
• Dual Voltage Rating 250VAC/160VDC: Versatile protection for both alternating and direct current applications in diverse electrical environments.
• Ferrule Terminal Design: Ensures secure mechanical and electrical connections with copper terminals for reliable conductivity.
• PolyTube Insulating Material: Provides durable insulation and protection against environmental factors and electrical stress.
• RoHS Compliant: Meets environmental standards for safe disposal and reduced environmental impact in professional installations.

Technical Specifications

• Ac Max I R Breaking Capacity I1: 200 kA
• Ac Or Dc: AC/DC
• Ampere Rating: 4:00 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: 160 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

• Motor Control Centers and Starter Panels
• Industrial Control Systems
• Commercial HVAC Equipment
• Power Distribution Panels
• Electronic Equipment Protection
• Instrumentation and Control Circuits
• DC Power Supply Systems

Why Choose Mersen Quality?

Mersen TR-R fuses combine proven time-delay protection technology with high breaking capacity and dual voltage capability. The RoHS compliant design with copper terminals and PolyTube insulation ensures reliable performance and environmental responsibility in professional electrical installations.