The Reliance ECSR-17-1/2 is a 17.5-ampere, dual-element, time-delay fuse classified under Class RK5. Designed for both inductive and non-inductive loads, it offers reliable overcurrent protection in various electrical applications.
Key Features
- Dual-Element Design: Provides superior time-delay performance, allowing for closer sizing to equipment’s full load amperage, thereby enhancing protection for motors and transformers.
- Time-Delay Capability: Offers a minimum of 10 seconds time delay at 500% of rated current, accommodating temporary inrush currents without nuisance openings.
- High Interrupting Rating: Rated at 200,000 amperes interrupting capacity (AIC) at 600 VAC and 20,000 AIC at 300 VDC, ensuring robust protection against high fault currents.
- Voltage Ratings: Suitable for systems up to 600 VAC and 300 VDC, providing versatility across various electrical setups.
- Current Limiting: Limits the let-through energy during fault conditions, reducing potential damage to downstream equipment.
- Compliance and Approvals: Meets UL 248-12 and CSA C22.2 standards, ensuring adherence to industry safety and performance requirements.
Applications
Ideal for use in power panelboards, motor control centers, combination starters, and machinery disconnects, the ECSR-17-1/2 fuse is engineered to handle the demands of modern electrical systems, providing both overload and short-circuit protection.
Specifications
- Current Rating: 17.5 Amperes
- Voltage Rating: 600 VAC / 300 VDC
- Interrupting Rating: 200 kA at 600 VAC; 20 kA at 300 VDC
- Dimensions: 0.81 inches in diameter; 5 inches in length
- Terminal Type: Ferrule with grooved ring
The Reliance ECSR-17-1/2 fuse is a dependable solution for safeguarding electrical circuits, combining time-delay functionality with high interrupting capacity to ensure system integrity and equipment longevity.
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