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D 12
®
AC: 35-60A
500VAC, 200kA I.R.
70-1200A
500VAC, 200kA I.R.
®
DC: 35-1200A
500VDC, 100kA I.R.
Ratings
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.
®
UL Recognized
Component
®
AC: UL Guide No. JFHR2
®
DC Tested to UL
Standard 198L
parameters (70-1200A)
®
CSA Certified
LR12636
Approvals
A 50 QS 250 - 4
Amp-trap
® Fuse
Rated Volts - 500
Style
Amperes*
Mounting Type*
Blades, bolt-in
* For ampere ratings and types not listed, consult the factory.
Catalog Numbering System
A
50
QS
250
4
FUSE
FUSE BLOCK
AMPERE
MOUNTING
CATALOG
RATING
TYPE
NUMBER
1 - 30
35-200
4
P243E
225-600
4
P266C
Single Pole Fuse Blocks for A50QS Fuses
Features / Benefits
® Lowest l2t 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
HIGHLIGHTS:
®
500V AC/DC Rated
®
Lowest l
2t
®
Low Watts Loss
®
Superior Cycling
Ability
APPLICATIONS:
®
Protection of 500V or
less motor drives,
UPS, inverters, etc.
AMP-TRAP®–Form 101
A50QS
SEMICONDUCTOR PROTECTION FUSES
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