Mersen TR-R Class RK5 Time-Delay Fuse, 4A 250VAC/160VDC, Ferrule Terminal, Copper Terminals
The Mersen TR-R Class RK5 time-delay fuse delivers dependable overcurrent protection rated 4A for both AC and DC circuits, with a dual voltage rating of 250VAC/160VDC and an impressive 200kA breaking capacity. Built with a ferrule terminal design and copper connection terminals, this fuse is engineered for demanding motor control and industrial protection applications where reliable fault current interruption is critical to equipment and personnel safety.
Key Features
- 4A Current Rating: Precise overcurrent protection for sensitive circuits and equipment applications.
- Class RK5 Time-Delay: Allows temporary overloads while protecting against sustained overcurrent conditions, ideal 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: Secure mechanical and electrical connections with copper terminals for reliable, low-resistance conductivity.
- PolyTube Insulating Material: Durable body insulation that protects against environmental factors and electrical stress.
- Frequency Rating: Rated 50/60 Hz for compatibility with standard AC power systems.
- Clip Mounting: Designed for clip-style mounting for straightforward installation and replacement in fuse blocks and holders.
Certifications & Compliance
- RoHS Compliant
Technical Specifications
- Rohs Compliant: Yes
Typical 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 Mersen?
Mersen TR-R fuses combine proven Class RK5 time-delay protection with high 200kA breaking capacity and dual AC/DC voltage capability rated to 250VAC/160VDC. The RoHS compliant design, copper connection terminals, and PolyTube insulating material work together to deliver reliable, code-compliant performance for professional electrical installations across motor control, industrial control, and power distribution environments where consistent circuit protection is essential.
Manufacturer Resources
Product Specs
- Ac Max I R Breaking Capacity I1:
- 200 kA
- Ac Or Dc:
- AC/DC
- Ampere Rating:
- 4 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:
- 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
- Product Type:
- Fuse
- Department:
- Electrical
- Product Group:
- Wiring Devices