Description
The Mersen ATQR20 is a Class CC Time-Delay Fuse designed for protection in high inrush current applications such as control transformers and solenoids. Its robust design ensures reliable performance in electrical distribution systems.
Key Features
- Time-Delay Characteristic: Accommodates the high inrush currents of control transformers and similar loads without causing nuisance openings.
- Current-Limiting: Provides effective protection by limiting peak let-thru currents, thereby reducing the risk of system damage.
- Rejection-Style Design: Prevents incorrect fuse replacements when used with recommended fuse blocks, ensuring correct installation.
- High-Visibility Orange Label: Facilitates quick identification and replacement, reducing downtime.
- Traceability: Features a metal-embossed date and catalog number for lasting identification and traceability.
- Durable Construction: The fiberglass body offers dimensional stability in challenging industrial environments.
- Efficient Arc Quenching: High-grade silica filler ensures rapid and effective arc quenching, contributing to high current limitation.
Specifications
- Voltage Rating: 600V AC
- Current Rating: 20A
- Approvals:
- UL listed to standard 248-4 (File E2137)
- DC listed to UL standard 248
- CSA certified to standard C22.2 No. 248.4
Applications
- Control transformers
- Solenoids
- Inductive loads
- Lighting, heating, and general-purpose circuits
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