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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Protistor® size 14x51 aR
690VAC (IEC) / 700VAC (UL)
TIME CURRENT CHARACTERISTIC CURVES
1000
700
500
300
200
100
70
50
Pre-arcing time (s)
30
20
10
7
5
3
2
1
0.7
0.5
0.3
0.2
0.1
0.07
0.05
0.03
0.02
0.01
0.007
0.005
0.003
0.002
'CC
6 A
8 A
10 A
12 A
16 A
20 A
25 A
32 A
40 A
50 A
63 A
0.001
0.0007
0.0005
0.0003
0.0002
0.0001
10
20
30
50
70
100
200
RMS value of pre-arcing/melting current (A) +- 8%
300
500
700
1000
3000
5000
2000
7000
10000
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
3
Protistor® size 14x51 aR
690VAC (IEC) / 700VAC (UL)
100
200
300
30000
CUT-OFF CURRENT CHARACTERISTIC
20000
10000
7000
5000
3000
2000
1000
700
500
300
200
Maximum peak let thru current Ic (A)
100
70
50
30
lm = 2.3 lp
30
50
70
200
300
500
100
700
1000
2000
3000
5000
50 Hz RMS symmetrical prospective current Ip (A)
63 A
50 A
40 A
32 A
25 A
20 A
16 A
12 A
10 A
8 A
6 A
000
000
7000
10000
30000
20000
50000
70000
000
I²T MULTIPLIER COEFFICIENT
1,1
1
0,9
0,8
0,7
0,6
0,5
0,4
0,3
Clearing I²t and arcing time correction factor
100
200
300
Applied AC voltage (V)
400
500
600
700
800
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
4
Protistor® size 14x51 aR
690VAC (IEC) / 700VAC (UL)
1
100
200
300
500
700
CHARACTERISTICS TOTAL I²T CURVE
10.0ms(2.80ms)
7.9ms(1.60ms)
10000
7000
5000
3000
Operating I²t (A²s)
2000
10.0ms(5.00ms)
4.4ms(0.80ms)
2.5ms(0.40ms)
1.4ms(0.20ms)
0.8ms(0.10ms)
63 A
50 A
40 A
1000
700
500
300
200
100
70
50
32 A
25 A
20 A
16 A
12 A
10 A
8 A
6 A
30
20
10
000
000
000
20
30
50
10
70
200
100
300
500
700
1000
2000
5000
3000
7000
10000
30000
50000
20000
70000
000
000
1e+06
50Hz RMS symetrical prospective current (Ip)(A)
POWER DISSIPATION
0,8
Correction factor for power dissipation
0,6
0,4
0,2
0
20
30
40
50
60
70
80
90
100
% of rated current
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
5
Protistor® size 14x51 aR
690VAC (IEC) / 700VAC (UL)
1500
+0.6
PEAK ARC VOLTAGE
1400
1300
1200
1100
1000
Peak arc voltage (V)
900
800
700
600
100
200
300
Applied AC voltage (V)
400
500
600
700
800
DIMENSIONS
Size 14x51 aR without striker
13.213.2
-1
+0.6
51
Dimensions in mm
Ø 14.3 ± 0.1
Size 14x51 aR with striker
0.5
13.213.2
-1
51
Dimensions in mm
Visual indicator
Ø 14.3 ± 0.1
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
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