Mersen, formerly Ferraz Shawmut Protistor Data Sheet
Protistor® size 14x51 aR
690VAC (IEC) / 700VAC (UL)
Protistor® size 14x51 aR
690VAC (IEC) / 700VAC (UL)
SEMICONDUCTOR PROTECTION FUSES
IEC HIGH-SPEED CYLINDRICAL FUSE-LINKS AC PROTECTION
FEATURES & BENEFITS
• Low l²t for improved semiconductor
protection
• Extremely fast acting
• Current limiting
• Excellent cycling capability
• UL recognized
• aR-class according to 60269-4
APPLICATIONS
• Small inverters
These Protistor® size 14x51 have been designed to protect power
semi conductors, complying with standard IEC 60269-4. They are
extremely high interrupting rating fuses with large band of ratings
(current rating 6 to 63A).
Two models are existing: with or without striker.
TECHNICAL DATA OVERVIEW
Voltage AC 690 VAC
Rated Voltage
Ampere Range (A) 6 ... 63 A
Speed/Characteristic aR
I.R. AC (IEC) 160 kA
I.R. AC (UL) 200 kA
I.R. DC (UL) 50 kA
AC IEC: 690V
AC UL: 700V
DC UL: 500V
• UPS systems
• Variable speed drives
• Other similar 700V or less equipments
STANDARDS
• IEC 60269-4
• UL recognized
• CSA
• RoHS compliant
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
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Protistor® size 14x51 aR
690VAC (IEC) / 700VAC (UL)
PRODUCT RANGE
Size 14x51 aR with striker
Catalog
number
Item
number
Rated voltage
AC (IEC)
Rated current
I
n
Clearing I²t at
Rated Voltage
Rated breaking
capacity AC
Power dissipation
at I
n
Pre-arcing I²t Package Weight
FR14AR69V16T
FR14AR69V6T P1056656 690 V 6 A 20 A²s 160 kA 1.5 W 2.4 A²s 10 20 g
FR14AR69V8T Q1056657 690 V 8 A 30 A²s 160 kA 2 W 3.3 A²s 10 20 g
FR14AR69V10T R1056658 690 V 10 A 40 A²s 160 kA 3 W 4.3 A²s 10 20 g
FR14AR69V12T S1056659 690 V 12 A 55 A²s 160 kA 4 W 5.4 A²s 10 20 g
FR14AR69V16T T1056660 690 V 16 A 100 A²s 160 kA 5 W 11.3 A²s 10 20 g
FR14AR69V20T V1056661 690 V 20 A 160 A²s 160 kA 5.5 W 21.7 A²s 10 20 g
FR14AR69V25T W1056662 690 V 25 A 345 A²s 160 kA 6 W 45.3 A²s 10 20 g
FR14AR69V32T X1056663 690 V 32 A 500 A²s 160 kA 7.7 W 77.4 A²s 10 20 g
FR14AR69V40T Y1056664 690 V 40 A 850 A²s 160 kA 9.2 W 129.6 A²s 10 20 g
FR14AR69V50T Z1056665 690 V 50 A 1500 A²s 160 kA 11.2 W 241.1 A²s 10 20 g
FR14AR69V63T A1056666 690 V 63 A 2600 A²s 160 kA 14.3 W 428.6 A²s 10 20 g
Size 14x51 aR without striker
Catalog
number
Item
number
Rated voltage
AC (IEC)
Rated current I
Clearing I²t at
n
Rated Voltage
Rated breaking
capacity AC
Power dissipation
at I
n
Pre-arcing I²t Package Weight
FR14AR69V50
FR14AR69V6 H1027325 690 V 6 A 20 A²s 160 kA 1.5 W 2.4 A²s 10 20 g
FR14AR69V8 J1027326 690 V 8 A 30 A²s 160 kA 2 W 3.3 A²s 10 20 g
FR14AR69V10 K1027327 690 V 10 A 40 A²s 160 kA 3 W 4.3 A²s 10 20 g
FR14AR69V12 L1027328 690 V 12 A 55 A²s 160 kA 4 W 5.4 A²s 10 20 g
FR14AR69V16 M1027329 690 V 16 A 100 A²s 160 kA 5 W 11.3 A²s 10 20 g
FR14AR69V20 N1027330 690 V 20 A 160 A²s 160 kA 5.5 W 21.7 A²s 10 20 g
FR14AR69V25 P1027331 690 V 25 A 345 A²s 160 kA 6 W 45.3 A²s 10 20 g
FR14AR69V32 Q1027332 690 V 32 A 500 A²s 160 kA 7.7 W 77.4 A²s 10 20 g
FR14AR69V40 R1027333 690 V 40 A 850 A²s 160 kA 9.2 W 129.6 A²s 10 20 g
FR14AR69V50 S1027334 690 V 50 A 1500 A²s 160 kA 11.2 W 241.1 A²s 10 20 g
FR14AR69V63 T1027335 690 V 63 A 2600 A²s 160 kA 14.3 W 428.6 A²s 10 20 g
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
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