A50QS Series / 500V

A50QS Amp-trap® Form 101 fuses grew out of the need to improve the overall performance of semiconductor fuses in response to new equipment requirements. The A50QS encompasses the best protection features lower I2t to provide better protection for equipment, longer life when subjected to cyclic loading and lower watts loss. A50QS is today's best choice for the protection of dynamic solid state equipment such as motor drives,inverters, UPS, etc.

Product Data

[491 KB]

Brochure

[Not Available]

DXF Drawings

UL File Card

CSA File Card

Features

Lowest I2t for greatest protection of semiconductor circuits
Low watts loss for cooler operation
Superior cycling ability gives an equipment design
advantage
State-of-the-art protection for 500 volt equipment
Ultra compact sizes allow down-sizing of existing
equipment

Ratings

AC: 500VAC, 35A to 1200A, 200kA I.R.
AC: 500VDC, 35A to 1200A, 100kA I.R.

Approvals

UL Recognized Component
AC: UL Guide No. JFHR2
CSA Certified LR12636
Some Ratings RoHS Compliant

Applications

Protection of 500V or less motor drives, UPS, inverters, etc.

Ferraz A50QS Series Fuse Selection

AMPERE RATING	CATALOG NUMBER	AMPERE RATING	CATALOG NUMBER	AMPERE RATING	CATALOG NUMBER	AMPERE RATING	CATALOG NUMBER
35	A50QS35-4	100	A50QS100-4	300	A50QS300-4	800	A50QS800-4
40	A50QS40-4	125	A50QS125-4	350	A50QS350-4	900	A50QS900-4
50	A50QS50-4	150	A50QS150-4	400	A50QS400-4	1000	A50QS1000-4
60	A50QS60-4	175	A50QS175-4	450	A50QS450-4	1200	A50QS1200-4
70	A50QS70-4	200	A50QS200-4	500	A50QS500-4
80	A50QS80-4	225	A50QS225-4	600	A50QS600-4
90	A50QS90-4	250	A50QS250-4	700	A50QS700-4