SQB3 Square body aR fuse links for semiconductors

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Rapidplus^©
SQB3 Square body fuse links for semiconductors

RAPIDPLUS SQUARE BODY SQB3 aR fuse links are specially designed for protection of power semiconductor devices.

Typical application comprise protection of diodes, thyristors, triacs and IGBTs, used in power rectifiers, UPS, converters, motor drives, soft starters, solid state relays, photovoltaic inverters, welding inverters and any application in power electronics, where it is necessary to protect power semiconductor devices.

Thanks to the design of their melting elements, the materials employed and their construction with solidified sand, these fuses provide excellent characteristics:

· Ultra-fast acting.
· Very good current limiting.
· Very low I²t values.
· High breaking capacity.
· Excellent cycling capability

The range comprises the following fuse links:

SIZE
SQB3 690V AC 500A to 1400A

VERSIONS
FLUSH END CONTACT
BLADE CONTACT 80mm
BLADE CONTACT 110mm

 
These fuse links have a trip indicator that can be used as a visual indication or can be equipped with a microswitch mounted directly on the fuse link.