The Reliance ECSR-3-1/2 is a 3.5-amp, dual-element, time-delay Class RK5 fuse designed for reliable overcurrent protection in various electrical applications.
Key Features
- Dual-Element Construction: Provides both short-circuit and overload protection, allowing the fuse to handle temporary inrush currents without nuisance openings.
- Time-Delay Capability: Offers a minimum time-delay of 10 seconds at 500% of the rated current, accommodating motor startups and transient surges.
- High Interrupting Rating: Rated for 200,000 amperes interrupting capacity (AIC) at 600 volts AC, ensuring safe operation under high fault conditions.
- Voltage Rating: Suitable for circuits up to 600 volts AC.
- Current Limiting: Reduces the let-through energy during fault conditions, minimizing potential damage to downstream equipment.
- Compliance: Meets UL and CSA standards, ensuring adherence to safety and performance requirements.
Applications
The ECSR-3-1/2 fuse is ideal for protecting motors, transformers, service entrance equipment, feeders, and branch circuits. Its time-delay feature allows it to handle temporary overloads, making it suitable for circuits with inductive loads such as motors and transformers.
Specifications
- Amperage Rating: 3.5 A
- Voltage Rating: 600 V AC
- Interrupting Rating: 200 kA at 600 V AC
- Response Time: 10 seconds at 500% of rated current
- Body Dimensions: 0.81 inches in diameter x 5 inches in length
- Material: Fiberglass body with ferrule terminals
This fuse is available in boxes of four, providing a convenient solution for maintenance and replacement needs in industrial and commercial settings.
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