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Mersen TR45R Tri-Onic Class RK5 Time-Delay Fuse, 45A 250VAC/250VDC, Ferrule Terminal
Model: MER-TR45R
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Mersen TR7R Tri-Onic Class RK5 Time-Delay Fuse, 7A 250VAC/160VDC
The Mersen TR7R is a Class RK5 time-delay fuse rated 7A for both 250VAC and 160VDC applications, part of Mersen's Tri-Onic fuse line. Built with ferrule terminals, copper connection terminals, and PolyTube insulating material, this compact 2 in fuse delivers a 200 kA breaking capacity for demanding industrial and commercial electrical systems. Its time-delay characteristic allows temporary overloads while still protecting circuits against sustained overcurrent conditions.
Key Features
- Ampere Rating: 7A rating provides precise overcurrent protection for medium-load circuits and equipment.
- Class RK5 Time-Delay: Allows temporary overloads while protecting against sustained overcurrent conditions.
- Dual Voltage Rating: 250VAC/160VDC rating supports both AC and DC electrical systems.
- 200 kA Breaking Capacity: Safely interrupts high fault currents in demanding applications.
- Ferrule Terminal Design: Copper connection terminals ensure secure, reliable connections.
- PolyTube Insulation: Durable body insulating material in a compact 2 in length.
- Clip Mounting: Designed for standard clip-mount fuse holders at 50/60 Hz.
- Compact & Lightweight: 2 in length and 0.037 lb weight for easy installation.
Certifications & Compliance
- RoHS Compliant
Technical Specifications
- Ac Max I R Breaking Capacity I1: 200 kA
- Ac Or Dc: AC/DC
- Ampere Rating: 7A
- 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
Typical Applications
- Industrial Control Panels
- Motor Control Centers
- Power Distribution Equipment
- Electronic Equipment Protection
- HVAC System Controls
- Instrumentation Circuits
- Commercial Electrical Systems
Why Mersen?
Mersen fuses deliver proven reliability through RoHS compliant construction and professional-grade materials like copper terminals and PolyTube insulation. The compact 2 in, 0.037 lb design of the TR7R eases installation while maintaining a robust 200 kA breaking capacity, making it well suited for code-compliant protection in professional electrical work.
Manufacturer Resources
Product Specs
- Ac Max I R Breaking Capacity I1:
- 200 kA
- Ac Or Dc:
- AC/DC
- Ampere Rating:
- 7 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
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Type:
- Fuse