Description
The Ferraz Shawmut ATQR30 is a 30A time-delay fuse from the Mersen Amp-Trap 2000 ATQR series. It is designed for overcurrent protection in compatible electrical distribution and control circuits, particularly applications where temporary inrush current can occur.
Its time-delay characteristic helps reduce nuisance fuse operation during normal startup conditions for suitable inductive loads. The current-limiting design helps restrict fault-current energy when the fuse operates within its specified ratings.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Ferraz Shawmut / Mersen |
| Series | ATQR |
| Model | ATQR30 |
| Rated Current | 30A |
| Rated Voltage | 600V AC |
| Rated DC Voltage | 300V DC |
| Fuse Class | Class CC |
| Operating Characteristic | Time-Delay |
| Protection Type | Current-Limiting |
| Interrupting Rating | 200kA AC / 100kA DC, Subject to Applicable Manufacturer Ratings |
| Connection | Ferrule Ends |
| Form Factor | Compact Cylindrical Fuse |
| Mounting | Compatible Class CC Fuse Holder |
| Standards | UL 248-4 and CSA C22.2 No. 248.4, According to Manufacturer Documentation |
Key Features
– 30A rated current for compatible circuits
– 600V AC and 300V DC ratings
– Class CC rejection-style design
– Time-delay operation for suitable inrush-current applications
– Current-limiting protection
– Compact construction for compatible fuse holders
Typical Applications
The ATQR30 may be suitable for:
– Control transformer protection
– Solenoid circuits
– Inductive electrical loads
– Industrial control panels
– Lighting and heating circuits where the fuse is appropriately specified
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