Overview
The Edison ECSR80 is a Class RK5 dual-element, time-delay fuse designed for AC power distribution systems. It features a current-limiting design with superior overload and cycling capabilities, rated 80 A at 600 V with a 200 kAIC interrupt rating. This cartridge-style fuse is widely used in industrial and commercial applications where motors, transformers, and other inductive loads require both overload and short-circuit protection.
Key Features
- Dual-element, time-delay design with minimum industry standard 10-second time-delay at 5 times the fuse rating
- Provides motor overload, ground fault and short-circuit protection
- Time-delay characteristics allow sizing closer to running ampacity of inductive loads to reduce cost and improve overcurrent protection
- Blade end terminal configuration, 1.11 in diameter, 7.88 in overall length
- UL Class RK5 certified for economical overcurrent protection solutions
- Recommended for AC power distribution mains, feeders and branch circuits with inductive or non-inductive loads where available short-circuit current does not exceed 200,000 RMS symmetrical amperes
Technical Specifications
The Edison ECSR80 combines reliable protection with industry-standard performance specifications:
- Current Rating: 80 Amperes
- Voltage Rating: 600VAC
- Class: RK5
- Type: Dual-Element, Time-Delay
- Interrupt Rating: 200 kAIC (200,000 RMS Symmetrical Amperes)
- Time Delay: 10 seconds at 500% (5× rated current)
- Terminal Type: Blade End × Blade End
- Body Diameter: 1.11 inches
- Overall Length: 7.88 inches
- Weight: 0.54 lb
- Body Material: Fiberglass
- Configuration: Non-Indicating, Rejection Type
Typical Applications
These fuses are the most popular used in the industry and the most economical for most applications, especially motors and transformers. Typical uses include:
- Motor branch circuits and starters
- Transformer primary protection
- Feeder circuits with inductive loads
- AC distribution panels and switchboards
- Equipment circuits subject to temporary surge currents
- Three-phase and single-phase power distribution
Compatibility & Replacements
Compatible With
- Standard Class RK5 fuse holders and switches
- 600V AC power distribution systems
- Motor control centers (MCCs) rated for RK5 cartridge fuses
- Industrial panelboards and switchgear
- Motor starters and overload relays
Replaces / Drop-In Replacement For
The Edison ECSR80 is part of the ECSR series of time-delay fuses. For specific replacement compatibility with legacy or competing brands, verify with your equipment manufacturer or system integrator before ordering to ensure fuse holder acceptance and coordination.
Works With
- Eaton / Bussmann fuse holders (Bulletâ„¢ cartridge compatible)
- Cooper Industries electrical distribution equipment
- Standard RK5 rejection-type fuse cartridge holders
- Motor control and overload protection systems
- Selective coordination schemes with Class RK5 fuses
