Ferrule fuse-links 14x51 gG 500 to 690VAC
Low Voltage IEC Fuses / DS-LFCY14GG-07-0716_EN
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
Ferrule fuse-links 14x51 gG 500 to
690VAC
LOW VOLTAGE IEC FUSES
IEC CYLINDRICAL FUSE-LINKS
FEATURES & BENEFITS
• Reduced size
• Full range protection
• Striker version available for remote
indication of fuse operation
• Safest and most reliable protection
system
Mersen aM and gG fuse-links cover a wide range of physical sizes and
ampere ratings for 400, 500, and 690VAC for protection in electrical
distribution circuits and various industrial applications. Most ratings
are available in size 8x31 and size 10x38 with an optional indicator,
and in size 14x51 and 22x58 with an optional striker to activate
an auxiliary contact. Size 10x38 is also available with striker. All
cylindrical fuse-links have ceramic bodies and silver-plated contacts.
Cylindrical fuse-links “gG” are used for the protection of cables,
motors and LV-networks. They limit and cut o unacceptable
overcurrents and short-circuit currents up to their nominal breaking
capacity. Cylindrical fuse-links “gG” also protect electrical equipment
and installations against the dynamic eect of high short-currents.
Our technology and process was designed to ensure highly reliable
technical performance.
TECHNICAL DATA OVERVIEW
Voltage Range AC 500 ... 690 VAC
Ampere Range (A) 1 ... 50 A
Speed/Characteristic gG
I.R. AC (IEC) 120 kA
Body Material Ceramic
Body Style cylindrical
Contact Materials Silver plated copper
Product Size 14x51 mm
APPLICATIONS
• gG type for protection of line, cable
against overload and short circuit
in various industrial application and
electrical distribution circuits.
STANDARDS
• IEC 60269-1 & -2
• Approved by Lloyd’s Register of
Shipping and Bureau Veritas
1
Ferrule fuse-links 14x51 gG 500 to 690VAC
Low Voltage IEC Fuses / DS-LFCY14GG-07-0716_EN
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
PRODUCT RANGE
Size 14,3x51 gG 500/690VAC without indicator
FR14GG50V50
FR14GG50V50P
Catalog
number
Reference
number
Rated voltage AC
(IEC)
Rated current I
Rated breaking
n
capacity AC
Power dissipation
at In
FR14GG69V1 K218716 690 V 1 A 120 kA 0.6 W 21 g
FR14GG69V2 Y219234 690 V 2 A 120 kA 0.75 W 21 g
FR14GG69V4 A219765 690 V 4 A 120 kA 1.1 W 21 g
FR14GG69V6 H222210 690 V 6 A 120 kA 1.25 W 21 g
FR14GG69V8 D222965 690 V 8 A 120 kA 1.45 W 21 g
FR14GG69V10 L200754 690 V 10 A 120 kA 1.65 W 21 g
FR14GG69V12 L201812 690 V 12 A 120 kA 1.8 W 21 g
FR14GG69V16 A211554 690 V 16 A 120 kA 2.35 W 21 g
FR14GG69V20 Z212588 690 V 20 A 120 kA 2.75 W 21 g
FR14GG69V25 C213603 690 V 25 A 120 kA 3.1 W 21 g
FR14GG50V32 W216656 500 V 32 A 120 kA 3.6 W 21 g
FR14GG50V40 X218198 500 V 40 A 120 kA 4 W 21 g
FR14GG50V50 Z219235 500 V 50 A 120 kA 4.8 W 21 g
Size 14,3x51 gG 500VAC with striker
Catalog
number
FR14GG50V2P J211033 500 V 2 A 120 kA 0.75 W 21 g
FR14GG50V4P H212067 500 V 4 A 120 kA 1.1 W 21 g
FR14GG50V6P G214113 500 V 6 A 120 kA 1.25 W 21 g
FR14GG50V8P R215134 500 V 8 A 120 kA 1.45 W 2.1 g
FR14GG50V10P Z216153 500 V 10 A 120 kA 1.65 W 21 g
FR14GG50V12P L217176 500 V 12 A 120 kA 1.8 W 2.1 g
FR14GG50V16P Z218200 500 V 16 A 120 kA 2.35 W 21 g
FR14GG50V20P B219237 500 V 20 A 120 kA 2.75 W 21 g
FR14GG50V25P L222213 500 V 25 A 120 kA 3.1 W 21 g
FR14GG50V32P P200757 500 V 32 A 120 kA 3.6 W 21 g
FR14GG50V40P P201815 500 V 40 A 120 kA 4 W 21 g
FR14GG50V50P D211557 500 V 50 A 120 kA 4.8 W 21 g
Reference
number
Rated voltage AC
(IEC)
Rated current I
Rated breaking
n
capacity AC
Power dissipation
at In
Weight
Weight
2
Ferrule fuse-links 14x51 gG 500 to 690VAC
Low Voltage IEC Fuses / DS-LFCY14GG-07-0716_EN
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
TIME CURRENT CHARACTERISTIC CURVES
Size 14x51 690V gG
10000
7000
5000
3000
2000
1000
700
500
300
200
100
70
50
Actual 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
1 A
2 A
4 A
0.001
0.0007
0.0005
0.0003
0.0002
0.0001
1
2
RMS value of prospective current (A) +/- 8%
3
7
5
10
20
50
30
70
100
200
300
700
500
1000
3
Ferrule fuse-links 14x51 gG 500 to 690VAC
Low Voltage IEC Fuses / DS-LFCY14GG-07-0716_EN
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
TIME CURRENT CHARACTERISTIC CURVES
Size 14x51 690V gG
10000
7000
5000
3000
2000
1000
700
500
300
200
100
70
50
Actual pre-arcing time (s)
30
20
10
7
5
3
2
1
0.7
0.5
0.3
0.2
6 A
8 A
10 A
12 A
16 A
20 A
25 A
32 A
0.1
0.07
0.05
0.03
0.02
0.01
0.007
0.005
0.003
0.002
0.001
0.0007
0.0005
0.0003
0.0002
0.0001
10
20
30
50
70
100
200
RMS value of prospective current (A) +/- 8%
40 A
50 A
300
500
700
1000
2000
3000
5000
000
7000
4
Ferrule fuse-links 14x51 gG 500 to 690VAC
10
1e+06
1
2000
100
200
300
Low Voltage IEC Fuses / DS-LFCY14GG-07-0716_EN
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
CUT-OFF CURRENT CHARACTERISTIC
Size 14x51 690V gG
4 A
000
700
500
300
200
100
70
50
30
20
Maximum peak let thru current Ic (A)
10
2
1
Size 14x51 690V gG
lm = 2.3 lp
3
5
7
10
30
20
70
50
100
200
300
500
700
1000
50 Hz RMS symmetrical prospective current Ip (A)
2000
3000
5000
7000
10000
20000
30000
0000 200000 300000 500000
50000
70000
2 A
1 A
0000
10000
7000
5000
3000
2000
1000
700
500
300
200
Maximum peak let thru current Ic (A)
100
70
50
50 A
40 A
32 A
25 A
20 A
16 A
12 A
10 A
8 A
6 A
50
30
70
100
200
500
300
700
1000
2000
3000
7000
5000
10000
20000
30000
000
70000
50000
000
000
50 Hz RMS symmetrical prospective current Ip (A)
5
Ferrule fuse-links 14x51 gG 500 to 690VAC
100
20000
16 A
20 A
25 A
10 A
32 A
40 A
12 A
50 A
Low Voltage IEC Fuses / DS-LFCY14GG-07-0716_EN
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
PRE-ARCING AND OPERATING I²T CHARACTERISTICS
Size 14x51 690V gG
70
50
30
20
10
7
5
3
2
1
Pre-arcing and clearing I²t (A²s)
0,7
0,5
0,3
690V
400V
pre-arcing I²t
Size 14x51 690V gG
Rated current (A)
1 A
2 A
4 A
690V
10000
7000
5000
3000
2000
1000
700
500
300
200
100
70
50
Pre-arcing and clearing I²t (A²s)
30
20
10
400V
pre-arcing I²t
6 A
8 A
Rated current (A)
6
Ferrule fuse-links 14x51 gG 500 to 690VAC
Low Voltage IEC Fuses / DS-LFCY14GG-07-0716_EN
MERSEN reserves the right to change, update or correct, without notice, any information contained in this datasheet.
DIMENSIONS
Size 14x51 gG without indicator (1001212)
13.213.2
Ø 14.3 ± 0.1
-1
+0.6
51
Dimensions in mm
Size 14x51 gG with striker (1001211)
+0.6
0.5
13.2
-1
51
13.2
Striker
Ø 14.3 ± 0.1
Dimensions in mm
7
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