The Bullet ECSR50 is a 50-amp, 600-volt, dual-element, time-delay fuse designed for superior protection in AC power distribution systems. As a Class RK5 fuse, it offers a high interrupting rating of 200,000 amperes RMS symmetrical, ensuring reliable performance in demanding applications.
Key Features
- Dual-Element Design: Provides both short-circuit and overload protection, allowing the fuse to handle temporary inrush currents without unnecessary openings.
- Time-Delay Capability: Offers a minimum time-delay of 10 seconds at 500% of the rated current, making it suitable for circuits with inductive loads such as motors and transformers.
- High Interrupting Rating: Withstands up to 200,000 amperes RMS symmetrical, ensuring safety and reliability in high-fault current scenarios.
- Versatile Application: Ideal for protecting mains, feeders, and branch circuits in systems with both inductive and non-inductive loads.
- Standard Dimensions: Measures 5.5 inches in length and 1.06 inches in diameter, facilitating easy installation in compatible fuse holders.
Applications
The ECSR50 fuse is recommended for use in:
- AC power distribution system mains
- Feeders and branch circuits
- Protection of motors and motor branch circuits
- Transformers and other inductive loads
- Lighting, heating, and other non-inductive load applications
Specifications
- Amperage Rating: 50 A
- Voltage Rating: 600 V AC
- Interrupting Rating: 200 kAIC
- Response Time: 10 seconds at 500% of rated current
- Fuse Class: RK5
- Fuse Indicator: Non-indicating
- End Connections: Ferrule end x ferrule end
- Dimensions: Length: 5.5 inches; Diameter: 1.06 inches
The Bullet ECSR50 fuse combines robust protection with time-delay functionality, making it a reliable choice for safeguarding electrical systems against overloads and short circuits.
