Edison ECSR80 600V 80A Class RK5 Time-Delay Fuse
The Edison ECSR80 is a dual-element, time-delay fuse designed to provide superior protection for AC power distribution systems, particularly in applications involving inductive loads such as motors and transformers. With a voltage rating of 600 VAC and a current rating of 80 amperes, this Class RK5 fuse offers reliable performance in demanding environments.
Key Features
- Dual-Element Construction: Allows for closer sizing to the running ampacity of inductive loads, enhancing overcurrent protection and reducing costs.
- Time-Delay Capability: Provides a minimum time-delay of 10 seconds at 500% of the fuse rating, effectively handling temporary inrush currents without unnecessary fuse openings.
- High Interrupting Rating: Capable of interrupting fault currents up to 200,000 amperes RMS symmetrical, ensuring robust protection against short circuits.
- Current Limiting: Offers moderate current limitation, safeguarding connected equipment from the damaging effects of high fault currents.
- Superior Overload and Cycling Capabilities: Designed to withstand frequent starts and stops, making it ideal for motor protection applications.
Specifications
- Amperage Rating: 80 A
- Voltage Rating: 600 VAC
- Interrupting Rating: 200 kAIC
- Response Time: 10 seconds at 500% of rated current
- Fuse Class: RK5
- Terminal Type: Blade end x blade end
- Body Dimensions: 1.11 inches in diameter, 7.88 inches in length
- Material: Fiberglass body with blade terminals
Applications
The ECSR80 fuse is recommended for use in:
- AC power distribution system mains, feeders, and branch circuits
- Protection of motors and motor branch circuits
- Protection of transformers and other inductive loads
- General-purpose applications, including lighting and heating circuits
Its time-delay characteristics allow for sizing closer to full load amps, providing enhanced protection and cost efficiency in various industrial and commercial settings.



















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