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Amp-Trap® A50QS 500VAC 500VDC

Approvals & Standards
UL recognized component UL File 60314
AC: UL guide no. JFHR2
DC Tested to UL standard 198L parameters (70-1200A)
CSA Certified LR12636

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.

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.

Key features & benefits

  • 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 500V equipment

  • Ultra compact sizes allow down-sizing of existing equipment

Applications

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

Technical Specifications
Frequency (Hz) 50/60 Hz
Amperage Range 35 to 1200 A
Speed/Characteristic High Speed
UL Category Code JFHR2
CSA File Number Class 1422-30 File 012636_0_000 

Reference Finder

Item number Ampere rating Fuse size Clearing I2t At Rated Voltage Indication System Product weight
A50QS325-4IL See product
325A - - Yes 0.3266kg
A50QS35-4 See product
35A - - No 0.1134kg
A50QS35-4IL See product
35A - - Yes 0.1225kg
A50QS350-4 See product
350A - - No 0.3084kg
A50QS350-4IL See product
350A - - Yes 0.3266kg
A50QS40-4 See product
40A - - No 0.1134kg
A50QS40-4IL See product
40A - - Yes 0.1225kg
A50QS400-4 See product
400A - - No 0.3084kg
A50QS400-4IL See product
400A - - Yes 0.3266kg
A50QS450-4 See product
450A - - No 0.5443kg
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