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Circuit breaker delivers 3A rated current

Posted: 05 Aug 2011 ?? ?Print Version ?Bookmark and Share

Keywords:circuit breaker? fuse? current rating?

Schurter has added the T9-211 with a plastic nut PA 66 to its T9 family of circuit breakers. The device delivers a lower 3A rating current and complies with the China RoHS requirement due to the plastic nut, the company noted.

An IP 65 rated cover can be added to the threaded neck version to provide protection against environmental conditions such as dust or jetting water. The rear mount version supports 0.5每3mm panel thicknesses. The complete series offers flexibility in design by fitting a wide variety of customer mounting requirements, Schurter stated.


The T9-211 complies with the China RoHS requirement.

Circuit breakers with the fuse holder-style body are ideal substitutes for panel fuses where inrush currents cause nuisance trips or premature aging of fuse element over time. Resetting the circuit avoids unnecessary downtime and maintenance costs associated with fuse replacement. It also eliminates the chance of replacing the fuse with an incorrect current rating that could result in damage to the equipment. Indication of circuit interruption is also a benefit to using a circuit breaker. The reset button pops out when tripped and remains depressed when pressed to reset. Safe and reliable operation of the T9 series is ensured with a cycling trip-free release.

Typical applications include power supplies, UPS, PDUs, power tools, industrial appliances, medical diagnostic and analysis appliances, lighting, sports and hobby equipment or HVAC products. The T9 series meets UL standard 1077 for Supplementary Protection, CSA C22.2 235, IEC 60934 and GB17701. Current ratings range from 31每6A at 240VAC and 48/32VDC.

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