Description
The Bussmann FNQ-R-7 is a 7A time-delay fuse from Eaton’s Limitron series. It provides current-limiting overcurrent protection for compatible industrial and commercial electrical circuits.
Its time-delay characteristic allows for temporary inrush currents associated with equipment such as small control transformers. The Class CC rejection-style construction is designed for use with compatible fuse holders and protection systems.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Eaton Bussmann |
| Series | Limitron FNQ-R |
| Model | FNQ-R-7 |
| Rated Current | 7A |
| Rated Voltage | 600V AC |
| Fuse Class | Class CC |
| Fuse Characteristic | Dual-Element Time-Delay |
| Protection Type | Current-Limiting |
| Interrupting Rating | 200 kA AC RMS Symmetrical |
| Response Time | 12 Seconds at 200% of Rated Current, per Manufacturer Specification |
| Connection | Ferrule Ends |
| Dimensions | Approximately 10.3mm Diameter × 38.1mm Length |
| Construction | Melamine Tube with Nickel-Plated Brass End Caps |
| Mounting | Compatible Class CC Fuse Holder |
| Compliance | UL Listed, CSA Certified, CE Marked and RoHS Compliant According to Manufacturer Documentation |
Key Features
– 7A rated current for suitable control circuits
– 600V AC voltage rating
– Time-delay response for temporary inrush currents
– Current-limiting protection against short-circuit faults
– Class CC rejection-style construction
– Compact cylindrical body with ferrule connections
– High interrupting capacity for compatible systems
Typical Applications
The FNQ-R-7 is intended for suitable applications such as:
– Industrial control panels
– Small control transformer protection
– Electrical control circuits
– Branch circuit protection where Class CC fuses are specified
– Compatible in-line fuse holders
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