ac/dc fuses • class ar obsolete – replaced by psr series...
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www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
1 of 20
HIGH-SPEED SQUARE BODY FUSES
SpecificationsVoltage Range AC: 600 - 700 V
DC: 400 - 600 VAmperage Range 250 - 1800 AInterrupting Range AC: 200 kA
DC: 50 kAMicroswitch YesMounting Flush End (TTF) Metric ThreadMaterial Body: Ceramic
Contact: Plated BrassApprovals UL 248-13 Recognized (File: E71611)
C-UR-US (File: E71611) IEC 60269-4
Environmental RoHS Compliant, REACHCountry of Origin Mexico
Description Littelfuse L_SQ Series High-Speed Square Body Style (Semiconductor) Fuses are specially designed for the protection of power semiconductor devices including diodes, triacs, IGBTs, SCRs, MOSFETs and other solid state devices that are typically designed into power conversion and conditioning equipment. Variable frequency drives, AC and DC drives, soft starters, power converters, and UPS equipment all utilize the extremely sensitive power semiconductor components that cannot withstand any line surge or overcurrent conditions.
Littelfuse POWR-SPEED™ products offer optimized circuit protection at the extremely fast speed required to protect modern day, sensitive, high-power semiconductor devices. Such products are commonly found in numerous applications including pulp and paper industries, cranes and heavy-lifting equipment, processing industries, wastewater treatment plants and various large factories and MRO facilities.
AC/DC Fuses • Class aR
Features • Extremely current limiting
• Low watt-loss design
• Compliance with US and Canadian requirements
• Class aR Performance according to IEC60269-4
• Direct bus-bar mount design
• Dedicated technical support
VOLTAGE BODY TYPE
SIZE CODE MOUNTING AMPERE CATALOG
NUMBER
700V SQ 30 FLUSH END METRIC THREAD 550 A L070SQ30FL0550M
Part Numbering System
L070 SQ 30 FL 0550 M
Size Code
Body Type
Mounting
Voltage Code
FL – Flush End Metric Thread
Ampere Code
Microswitch
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POWR-SPEED™ Fuse Datasheet
2 of 20
HIGH-SPEED SQUARE BODY FUSES
Electrical Characteristics
CASE SIZE
CATALOG NUMBER
AMPERAGERATING (A)
VOLTAGE RATING (V)
INTERRUPTING RATING MELTING
(PRE-ARC) I2T (A2S)
TOTAL CLEARINGI2T (A2S)
AT RATED VOLTAGE
WATT LOSSAT 100% RATED CURRENT (W)
URAC DC AC DC
IEC UL IEC UL AC DC
30
L070SQ30FL0250 250 690 700 – 500 200 kA 50kA 4,640 44,400 15,800 40 •L070SQ30FL0315 315 690 700 – 500 200 kA 50kA 7,010 70,500 26,700 56 •L070SQ30FL0350 350 690 700 – 500 200 kA 50kA 9,410 86,700 36,400 66 •L070SQ30FL0400 400 690 700 – 500 200 kA 50kA 15,400 139,000 55,000 66 •L070SQ30FL0450 450 690 700 – 500 200 kA 50kA 23,800 207,300 79,100 68 •L070SQ30FL0500 500 690 700 – 500 200 kA 50kA 30,000 257,700 108,700 78 •L070SQ30FL0550 550 690 700 – 500 200 kA 50kA 40,000 353,000 143,700 77 •
32
L070SQ32FL0630 630 690 700 – 500 200 kA 50kA 41,200 355,000 143,800 99 •L070SQ32FL0700 700 690 700 – 500 200 kA 50kA 55,000 467,300 199,400 111 •L070SQ32FL0800 800 690 700 – 500 200 kA 50kA 70,000 608,300 301,700 130 •L070SQ32FL0900 900 690 700 – 500 200 kA 50kA 123,000 924,700 434,700 128 •L070SQ32FL1000 1000 690 700 – 500 200 kA 50kA 176,000 1,206,000 602,700 132 •L070SQ32FL1100 1100 690 700 – 500 200 kA 50kA 240,000 1,407,000 810,000 148 •
33
L070SQ33FL0630 630 690 700 – 400 200 kA 50kA 30,000 302,300 149,400 115 •L070SQ33FL0700 700 690 700 – 400 200 kA 50kA 44,900 407,300 198,600 112 •L070SQ33FL0800 800 690 700 – 400 200 kA 50kA 70,700 582,000 285,000 120 •L070SQ33FL0900 900 690 700 – 400 200 kA 50kA 110,000 814,300 392,000 127 •L070SQ33FL1000 1000 690 700 – 400 200 kA 50kA 168,000 1,306,000 521,300 138 •L070SQ33FL1100 1100 690 700 – 400 200 kA 50kA 198,000 1,540,000 674,600 139 •L070SQ33FL1250 1250 690 700 – 400 200 kA 50kA 429,000 2,550,000 953,200 136 •L070SQ33FL1400 1400 690 700 – 400 200 kA 50kA 630,000 3,013,000 1,295,200 146 •L060SQ33FL1500 1500 600 600 – 400 200 kA 50kA 667,000 3,030,000 1,560,900 158 •L060SQ33FL1600 1600 600 600 – 400 200 kA 50kA 790,000 3,955,000 1,858,700 172 •L060SQ33FL1800 1800 600 600 – 400 200 kA 50kA 973,000 4,900,000 2,556,100 211 •
71 L125SQ71FL0450 450 – – 600 600 – 50 kA 53,000 – 152,000 76 •
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POWR-SPEED™ Fuse Datasheet
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HIGH-SPEED SQUARE BODY FUSES
CASE SIZE CATALOG NUMBER
FUSE ONLY FUSE AND MICRO-SWITCH (KIT)ORDERING PART
NUMBER UPC PACK QUANTITY
ORDERING PART NUMBER UPC MIN KIT QTY
30
L070SQ30FL0250 L070SQ30FL0250 07945803568 3 Pcs/Box L070SQ30FL0250M 07945803583 6 EachL070SQ30FL0315 L070SQ30FL0315 07945803567 3 Pcs/Box L070SQ30FL0315M 07945803582 6 EachL070SQ30FL0350 L070SQ30FL0350 07945803566 3 Pcs/Box L070SQ30FL0350M 07945803581 6 EachL070SQ30FL0400 L070SQ30FL0400 07945803565 3 Pcs/Box L070SQ30FL0400M 07945803580 6 EachL070SQ30FL0450 L070SQ30FL0450 07945803564 3 Pcs/Box L070SQ30FL0450M 07945803579 6 EachL070SQ30FL0500 L070SQ30FL0500 07945803563 3 Pcs/Box L070SQ30FL0500M 07945803578 6 EachL070SQ30FL0550 L070SQ30FL0550 07945884563 3 Pcs/Box L070SQ30FL0550M 07945884640 6 Each
32
L070SQ32FL0630 L070SQ32FL0630 07945803562 3 Pcs/Box L070SQ32FL0630M 07945803577 6 EachL070SQ32FL0700 L070SQ32FL0700 07945803561 3 Pcs/Box L070SQ32FL0700M 07945803576 6 EachL070SQ32FL0800 L070SQ32FL0800 07945884682 3 Pcs/Box L070SQ32FL0800M 07945884686 6 EachL070SQ32FL0900 L070SQ32FL0900 07945803560 3 Pcs/Box L070SQ32FL0900M 07945803575 6 EachL070SQ32FL1000 L070SQ32FL1000 07945884564 3 Pcs/Box L070SQ32FL1000M 07945884641 6 EachL070SQ32FL1100 L070SQ32FL1100 07945884683 3 Pcs/Box L070SQ32FL1100M 07945884687 6 Each
33
L070SQ33FL0630 L070SQ33FL0630 07945803559 2 Pcs/Box L070SQ33FL0630M 07945803574 6 EachL070SQ33FL0700 L070SQ33FL0700 07945803558 2 Pcs/Box L070SQ33FL0700M 07945803573 6 EachL070SQ33FL0800 L070SQ33FL0800 07945803557 2 Pcs/Box L070SQ33FL0800M 07945803572 6 EachL070SQ33FL0900 L070SQ33FL0900 07945803556 2 Pcs/Box L070SQ33FL0900M 07945803571 6 EachL070SQ33FL1000 L070SQ33FL1000 07945803555 2 Pcs/Box L070SQ33FL1000M 07945803570 6 EachL070SQ33FL1100 L070SQ33FL1100 07945884684 2 Pcs/Box L070SQ33FL1100M 07945884688 6 EachL070SQ33FL1250 L070SQ33FL1250 07945884565 2 Pcs/Box L070SQ33FL1250M 07945884642 6 EachL070SQ33FL1400 L070SQ33FL1400 07945884685 2 Pcs/Box L070SQ33FL1400M 07945884689 6 EachL060SQ33FL1500 L060SQ33FL1500 07945884566 2 Pcs/Box L060SQ33FL1500M 07945884643 6 EachL060SQ33FL1600 L060SQ33FL1600 07945803554 2 Pcs/Box L060SQ33FL1600M 07945803569 6 EachL060SQ33FL1800 L060SQ33FL1800 07945884567 2 Pcs/Box L060SQ33FL1800M 07945884644 6 Each
71 L125SQ71FL0450 L125SQ71FL0450 07945884562 2 Pcs/Box L125SQ71FL0450M 07945884639 6 Each
Ordering Information
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POWR-SPEED™ Fuse Datasheet
4 of 20
HIGH-SPEED SQUARE BODY FUSESDimensions (30 Case Size) Millimeters [inches]Document Number: OL-L070SQ30FL0000Stud Size: M8 x 1.25Recommended Torque: 13.5 Nm
FUSE WITH MICROSWITCH
76.4[3.01]
VISUAL INDICATOR
¼" Q.C.TERMINAL
47.4 [1.86] REF
43.0[1.69]
43.0[1.69]
49.0 [1.93] REF
M8x1.25 - 6H 6.00 8.50 X 82.0°
M8x1.25 - 6H 0.24 0.33 X 82.0°[ ]17
[0.7]
M4x0.7 THREAD10.00[.394]
STUD LENGTH
49.0 - 51.01.93 - 2.01]]
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POWR-SPEED™ Fuse Datasheet
5 of 20
HIGH-SPEED SQUARE BODY FUSES
FUSE WITH MICROSWITCH
VISUAL INDICATOR
93.4[3.68]
¼" Q.C.TERMINAL
48.8 [1.92] REF
60.0[2.36]
60.0[2.36]
23[0.9]
M10x1.5 - 6H 11.50 11.25 X 82.0°
M10x1.5 - 6H 0.45 0.44 X 82.0°[ ]
66.0 [2.60] REF
M4x0.7 THREAD10.00[.394]
STUD LENGTH
50.0 - 52.0[1.97 - 2.05]
Dimensions (32 Case Size) Millimeters [inches]Document Number: OL-L070SQ32FL0000Stud Size: M10 x 1.50Recommended Torque: 26 Nm
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POWR-SPEED™ Fuse Datasheet
6 of 20
HIGH-SPEED SQUARE BODY FUSES
FUSE WITH MICROSWITCH
73.5[2.89]
73.5[2.89]
79.5 [3.13] REF
M12x1.75 - 6H 13.00 13.25 X 82.0°
M12x1.75 - 6H 0.51 0.52 X 82.0°[ ]30
[1.2]
M4x0.7 THREAD10.00[.394]
STUD LENGTH
50.0 - 52.0[1.97 - 2.05]
106.9[4.21]
49.2 [1.94] REF
14" Q.C.
TERMINAL
VISUAL INDICATOR
Dimensions (33 Case Size) Millimeters [inches]Document Number: OL-L070SQ33FL0000Stud Size: M12 x 1.75Recommended Torque: 45 Nm
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POWR-SPEED™ Fuse Datasheet
7 of 20
HIGH-SPEED SQUARE BODY FUSES
FUSE WITH MICROSWITCH
84.9[3.34]
VISUAL INDICATOR
¼" Q.C.TERMINAL
72.2 [2.84] REF
M8x1.25 - 6H 8.00 8.50 X 82.0°
M8x1.25 - 6H 0.31 0.33 X 82.0°[ ]
51.5[2.03]
51.5[2.03]
57.5 [2.26] REF
20[0.8]
73.3 - 74.7[2.89 - 2.94]
M4x0.7 THREAD10.00[.394]
STUD LENGTH
Dimensions (71 Case Size) Millimeters [inches]Document Number: OL-L125SQ71FL0000Stud Size: M8 x 1.25Recommended Torque: 13.5 Nm
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POWR-SPEED™ Fuse Datasheet
8 of 20
HIGH-SPEED SQUARE BODY FUSES
1009080706050
1009080706050
200000
10000090000800007000060000
50000
40000
30000
20000
100009000800070006000
5000
4000
3000
2000
1000900800700600
500
400
300
200
100
40
30
20
10987654
40
30
20
10987654
- 550A
- 500A
- 450A
- 400A4
3
2
10.90.80.70.60.50.4
4
3
2
10.90.80.70.60.50.4CO
NDS
- 350A
- 315A
- 250A
0
0.3
0.2
0.10.090.080.070.060.050.04
0
0.3
0.2
0.10.090.080.070.060.050.04
RE‐ARC
ING) TIM
E IN SEC
0.03
0.02
0.010.0090.0080.0070.0060.0050.004
0 003
0.03
0.02
0.010.0090.0080.0070.0060.0050.004
0 003
MELTING (PR
0.003
0.002
0.0010.00090.00080.00070.00060.00050.0004
0 0003
0.003
0.002
0.0010.00090.00080.00070.00060.00050.0004
0 00030.0003
0.0002
0.0001
0.0003
0.0002
0.0001
200000
1000009000080000700006000050000
40000
30000
20000
1000090008000700060005000
4000
3000
2000
1000900800700600500
400
300
200
100
PROSPECTIVE R.M.S CURRENT IN AMPERE
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETTIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
05/06/2016
52 OF 2
FCC01-SQ30FL
SQ30FL 250A - 550A
- THIS DATA IS GENERATED IN EXCEL -
CU C C S C CU S FCC01 SQ30FL
Time Current Curve (30 Case Size)L_SQ Series
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POWR-SPEED™ Fuse Datasheet
9 of 20
HIGH-SPEED SQUARE BODY FUSES
1009080706050
1009080706050
200000
1000009000080000
70000
60000
50000
40000
30000
20000
1000090008000
7000
6000
5000
4000
3000
2000
1000
40
30
20
10987654
40
30
20
10987654
- 1100A
- 1000A
- 900A4
3
2
10.90.80.70.60.50.4
4
3
2
10.90.80.70.60.50.4CO
NDS
- 800A
- 700A
- 630A
0
0.3
0.2
0.10.090.080.070.060.050.04
0
0.3
0.2
0.10.090.080.070.060.050.04
RE‐ARC
ING) TIM
E IN SEC
0.03
0.02
0.010.0090.0080.0070.0060.0050.004
0 003
0.03
0.02
0.010.0090.0080.0070.0060.0050.004
0 003
MELTING (PR
0.003
0.002
0.0010.00090.00080.00070.00060.00050.0004
0 0003
0.003
0.002
0.0010.00090.00080.00070.00060.00050.0004
0 00030.0003
0.0002
0.0001
0.0003
0.0002
0.0001
200000
1000009000080000
70000
60000
50000
40000
30000
20000
1000090008000
7000
6000
5000
4000
3000
2000
1000
PROSPECTIVE R.M.S CURRENT IN AMPERE
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETTIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
05/06/2016
62 OF 2
FCC01-SQ32FL
SQ32FL 630A - 1100A
- THIS DATA IS GENERATED IN EXCEL -
TIME CURRENT CHARACTERISTIC CURVES FCC01 SQ32FL
Time Current Curve (32 Case Size)L_SQ Series
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POWR-SPEED™ Fuse Datasheet
10 of 20
HIGH-SPEED SQUARE BODY FUSES
1009080706050
1009080706050
200000
1000009000080000
70000
60000
50000
40000
30000
20000
1000090008000
7000
6000
5000
4000
3000
2000
1000
- 1800A
40
30
20
10987654
40
30
20
10987654
- 1600A
- 1500A
- 1400A
- 1250A
- 1100A
1000A4
3
2
10.90.80.70.60.50.4
4
3
2
10.90.80.70.60.50.4CO
NDS
- 1000A
- 900A
- 800A
- 700A
- 630A
0
0.3
0.2
0.10.090.080.070.060.050.04
0
0.3
0.2
0.10.090.080.070.060.050.04
RE‐ARC
ING) TIM
E IN SEC
0.03
0.02
0.010.0090.0080.0070.0060.0050.004
0 003
0.03
0.02
0.010.0090.0080.0070.0060.0050.004
0 003
MELTING (PR
0.003
0.002
0.0010.00090.00080.00070.00060.00050.0004
0 0003
0.003
0.002
0.0010.00090.00080.00070.00060.00050.0004
0 00030.0003
0.0002
0.0001
0.0003
0.0002
0.0001
200000
1000009000080000
70000
60000
50000
40000
30000
20000
1000090008000
7000
6000
5000
4000
3000
2000
1000
PROSPECTIVE R.M.S CURRENT IN AMPERE
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETTIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
05/06/2016
52 OF 2
FCC01-SQ33FL
SQ33FL 630A - 1800A
- THIS DATA IS GENERATED IN EXCEL -
CU C C S C CU S FCC01 SQ33FL
Time Current Curve (33 Case Size)L_SQ Series
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www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
11 of 20
HIGH-SPEED SQUARE BODY FUSES
Time Current Curve (71 Case Size)L_SQ Series
1009080706050
1009080706050
50000
40000
30000
20000
10000900080007000
6000
5000
4000
3000
2000
1000900800700
600
500
400
300
200
100
40
30
20
10987654
40
30
20
10987654450A -4
3
2
10.90.80.70.60.50.4
4
3
2
10.90.80.70.60.50.4CO
NDS
450A
0.3
0.2
0.10.090.080.070.060.050.04
0.3
0.2
0.10.090.080.070.060.050.04
RE‐ARC
ING) TIM
E IN SEC
0.03
0.02
0.010.0090.0080.0070.0060.0050.004
0 003
0.03
0.02
0.010.0090.0080.0070.0060.0050.004
0 003
TMELTING (PR
0.003
0.002
0.0010.00090.00080.00070.00060.00050.0004
0.0003
0.003
0.002
0.0010.00090.00080.00070.00060.00050.0004
0.00030.0003
0.0002
0.0001
0.0003
0.0002
0.0001
50000
40000
30000
20000
10000900080007000
6000
5000
4000
3000
2000
1000900800700
600
500
400
300
200
100
PROSPECTIVE R.M.S CURRENT IN AMPERE
BASIS FOR DATA:
TEST VOLTAGE: 600VDC TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETTIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
05/06/2016
31 OF 1
FCC01-SQ71
L125SQ71FL 450A
- THIS DATA IS GENERATED IN EXCEL -
TIME CURRENT CHARACTERISTIC CURVES FCC01 SQ71
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www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
12 of 20
HIGH-SPEED SQUARE BODY FUSES
100,00090,00080,000
70,000
60,000
50,000
40,000
30,000
20,000
10,0009,0008,000
7,000
6,000
5,000
4,000
3,000
2,000
100,00090,00080,000
70,000
60,000
50,000
40,000
30,000
20,000
10,0009,0008,000
7,000
6,000
5,000
4,000
3,000
2,000
200,
000
100,
000
90,0
0080
,000
70,0
0060
,000
50,0
00
40,0
00
30,0
00
20,0
00
10,0
009,
000
8,00
07,
000
6,00
05,
000
4,00
0
3,00
0
2,00
0
1,00
090
080
070
060
050
0
400
300
200
100
PE
AK
LE
T-TH
RU
IN A
MP
ER
ES
550A -
500A -
450A -
400A -
350A -
315A -
250A -
1,000900800
700
600
500
400
300
200
100
1,000900800
700
600
500
400
300
200
100
200,
000
100,
000
90,0
0080
,000
70,0
0060
,000
50,0
00
40,0
00
30,0
00
20,0
00
10,0
009,
000
8,00
07,
000
6,00
05,
000
4,00
0
3,00
0
2,00
0
1,00
090
080
070
060
050
0
400
300
200
100
AVAILABLE FAULT CURRENTSYMMETRICAL R.M.S. AMPERES
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETPEAK LET‐THRU CHARACTERISTIC CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
12/16/2015
A2 OF 2
FCC05-SQ30FL
SQ30FL 250A - 550A
- DATA GENERATED IN EXCEL -
Peak Let-Thru Curve (30 Case Size)L_SQ Series
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www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
13 of 20
HIGH-SPEED SQUARE BODY FUSES
100,000
90,000
80,000
70,000
60,000
50,000
40,000
30,000
20,000
10,000
9,000
8,000
7,000
6,000
100,000
90,000
80,000
70,000
60,000
50,000
40,000
30,000
20,000
10,000
9,000
8,000
7,000
6,00020
0,00
0
100,
000
90,0
0080
,000
70,0
00
60,0
00
50,0
00
40,0
00
30,0
00
20,0
00
10,0
009,
000
8,00
0
7,00
0
6,00
0
5,00
0
4,00
0
3,00
0
2,00
0
1,00
0
PE
AK
LE
T-TH
RU
IN A
MP
ER
ES
1100A -
1000A -
900A -
800A -
700A -
630A -
5,000
4,000
3,000
2,000
1,000
5,000
4,000
3,000
2,000
1,000
200,
000
100,
000
90,0
0080
,000
70,0
00
60,0
00
50,0
00
40,0
00
30,0
00
20,0
00
10,0
009,
000
8,00
0
7,00
0
6,00
0
5,00
0
4,00
0
3,00
0
2,00
0
1,00
0
AVAILABLE FAULT CURRENTSYMMETRICAL R.M.S. AMPERES
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETPEAK LET‐THRU CHARACTERISTIC CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
12/16/2015
A2 OF 2
FCC05-SQ32FL
SQ32FL 630A - 1100A
- DATA GENERATED IN EXCEL -
Peak Let-Thru Curve (32 Case Size)L_SQ Series
OB
SO
LET
E –
Rep
lace
d b
y P
SR
Ser
ies
www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
14 of 20
HIGH-SPEED SQUARE BODY FUSES
100,000
90,000
80,000
70,000
60,000
50,000
40,000
30,000
20,000
10,000
9,000
8,000
7,000
6,000
100,000
90,000
80,000
70,000
60,000
50,000
40,000
30,000
20,000
10,000
9,000
8,000
7,000
6,00020
0,00
0
100,
000
90,0
0080
,000
70,0
00
60,0
00
50,0
00
40,0
00
30,0
00
20,0
00
10,0
009,
000
8,00
0
7,00
0
6,00
0
5,00
0
4,00
0
3,00
0
2,00
0
1,00
0
PE
AK
LE
T-TH
RU
IN A
MP
ER
ES
1800A -
1600A -
1500A -
1400A -
1250A -
1100A -
1000A -
900A -
800A -
700A -
630A -
5,000
4,000
3,000
2,000
1,000
5,000
4,000
3,000
2,000
1,000
200,
000
100,
000
90,0
0080
,000
70,0
00
60,0
00
50,0
00
40,0
00
30,0
00
20,0
00
10,0
009,
000
8,00
0
7,00
0
6,00
0
5,00
0
4,00
0
3,00
0
2,00
0
1,00
0
AVAILABLE FAULT CURRENTSYMMETRICAL R.M.S. AMPERES
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETPEAK LET‐THRU CHARACTERISTIC CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
12/16/2015
A2 OF 2
FCC05-SQ33FL
SQ33FL 630A - 1800A
- DATA GENERATED IN EXCEL -
Peak Let-Thru Curve (33 Case Size)L_SQ Series
OB
SO
LET
E –
Rep
lace
d b
y P
SR
Ser
ies
www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
15 of 20
HIGH-SPEED SQUARE BODY FUSES
50,000
40,000
30,000
20,000
10,000
9,000
8,000
7,000
6,000
5,000
50,000
40,000
30,000
20,000
10,000
9,000
8,000
7,000
6,000
5,000
50,0
00
40,0
00
30,0
00
20,0
00
10,0
00
9,00
0
8,00
0
7,00
0
6,00
0
5,00
0
4,00
0
3,00
0
2,00
0
1,00
0
PE
AK
LE
T-TH
RU
IN A
MP
ER
ES
450A -
4,000
3,000
2,000
1,000
4,000
3,000
2,000
1,000
50,0
00
40,0
00
30,0
00
20,0
00
10,0
00
9,00
0
8,00
0
7,00
0
6,00
0
5,00
0
4,00
0
3,00
0
2,00
0
1,00
0
AVAILABLE FAULT CURRENTSYMMETRICAL R.M.S. AMPERES
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETPEAK LET‐THRU CHARACTERISTIC CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
12/16/2015
A2 OF 2
FCC05-SQ71FL
SQ71FL 450A
- DATA GENERATED IN EXCEL -
Peak Let-Thru Curve (71 Case Size)L_SQ Series
OB
SO
LET
E –
Rep
lace
d b
y P
SR
Ser
ies
www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
16 of 20
HIGH-SPEED SQUARE BODY FUSES
-60°C -40°C -20°C 0°C 20°C 40°C 60°C 80°C 100°C 120°C 140°C-76°F -40°F -4°F 32°F 68°F 104°F 140°F 176°F 212°F 248°F 284°F
AMBIENT TEMPERATURE
60
40
20
0
PERC
ENT
OF
UPR
ATIN
G
0
20
40
60
PERCENT O
F DO
WN
RATING
Temperature Derating Curve (Temperature of Air Immediately Surrounding Fuse)L_SQ Series
AMBIENT TEMPERATURE
PER
CEN
T O
F U
PRAT
ING
PERC
ENT O
F DO
WN
RATIN
G
OB
SO
LET
E –
Rep
lace
d b
y P
SR
Ser
ies
www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
17 of 20
HIGH-SPEED SQUARE BODY FUSES
Total Clearing I2t Correction Factor CurveL_SQ Series
1
0.9
1
0.9
700
600
500
400
300
200
100
0.8
0.7
0.6
0.8
0.7
0.6
0.5
0.4
0.5
0.4tor
0.3 0.3
aring I2 t Correction Fact
0.2 0.2
Total Clea
0.1 0.1
700
600
500
400
300
200
100
Operating Voltage in Volt
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETI2T CORRECTION FACTOR
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
01/26/2015
A3 OF 3
FCC0-
L50S 35-800ABASIS FOR DATA:
TEST VOLTAGE: 100V - 700V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETI2T VARIATION CURVES
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
04/16/2015
A1 OF 1
FCC07-Square Body- THIS DATA IS GENERATED IN EXCEL -
I2T CORRECTION FACTOR FCC0I2T VARIATION CURVES FCC07 Square Body
TOTA
L C
LEA
RIN
G I2 T
CO
RR
ECTI
ON
FA
CTO
R
OPERATING VOLTAGE IN VOLT
OB
SO
LET
E –
Rep
lace
d b
y P
SR
Ser
ies
www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
18 of 20
HIGH-SPEED SQUARE BODY FUSES
1
0.9
1
0.9
10090807060504030
0.8
0.7
0.6
0.8
0.7
0.6
0.5
0.4
0.5
0.4
or
0.3 0.3
Loss Correction Facto
0.2 0.2
Watts
0.1 0.1
100
90807060504030
Percent of Rated Current (%)
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETI2T CORRECTION FACTOR
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
01/26/2015
A3 OF 3
FCC0-
L50S 35-800ABASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETDERATING CURVE ‐WATTS LOSS CORRECTION
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
04/10/2015
A1 OF 1
FCC08-Square Body
- THIS DATA IS GENERATED IN EXCEL -
Watts Loss Correction Factor CurveL_SQ Series
WAT
TS L
OSS
CO
RR
ECTI
ON
FA
CTO
R
PERCENT OF RATED CURRENT (%)
OB
SO
LET
E –
Rep
lace
d b
y P
SR
Ser
ies
www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
19 of 20
HIGH-SPEED SQUARE BODY FUSES
1500
1400
1500
1400
700
600
500
400
300
200
1200
1000
1200
1000
800 800
600 600
ak Arc Voltage in Volt
400 400
Pea
200 200
700
600
500
400
300
200
Operating Voltage in Volts
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETARC VOLTAGE
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
01/26/2015
A3 OF 3
FCC0-
L70S 35-800ABASIS FOR DATA:
TEST VOLTAGE: 200V-700V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:DATE:REVISION:DRAWING NO.: SHEETMAX ARC VOLTAGE VARIATION CURVE
LITTELFUSE, INC.CHICAGO, IL. USA
LLL
04/16/2015
A1 OF 1
FCC09-Square Body
- THIS DATA IS GENERATED IN EXCEL -
q y
Peak Arc Voltage CurveL_SQ Series
PEA
K A
RC
VO
LTA
GE
IN V
OLT
OPERATING VOLTAGE IN VOLT
OB
SO
LET
E –
Rep
lace
d b
y P
SR
Ser
ies
www.littelfuse.com © 2017 Littelfuse POWR-GARD® Products Rev: 122117
POWR-SPEED™ Fuse Datasheet
20 of 20
HIGH-SPEED SQUARE BODY FUSES
42.0
63.0
MS7H1500C
10.0
32.333.4
42.0
39.0
MS3H1000C33.4
10.0
32.3
Microswitch[Dimensions in millimeters]
MS7H1500CDocument Number: OL-MS7H1500C
MS3H1000CDocument Number: OL-MS3H1000C
Electrical Characteristics
CATALOG NUMBER/ORDERING NUMBER
INDICATING STYLE
INSULATION VOLTAGE RATING (VAC)
FUSE CASE SIZE
POSITIVE OPERATING
MIN VOLTAGE / MIN CURRENT
INTERRUPTING RATINGOPERATING
TEMP.RELATIVE HUMIDITYCURRENT
NON-INDUCTIVE LOAD
INDUCTIVE LOAD (DC L/R=25ms)
30V 110V 250V 30V 110V 250V
MS3H1000C*Standard NO-NC
100030, 32,
33
4V / 1mA
AC (50/60 Hz) 5A 5A 5A 5A 5A 4A -60°C to +125° C
95%DC 5A 0.6A 0.3A 3A 0.2A 0.1A
MS7H1500C*Standard NO-NC
1500 71AC (50/60 Hz) 5A 5A 5A 5A 5A 4A -60°C to
+125° C95%
DC 5A 0.6A 0.3A 3A 0.2A 0.1A
* Contains internal microswitch (Part Number: U83161.8), listed under UL File: E42016.
42.0
63.0
MS7H1500C
10.0
32.333.4
42.0
39.0
MS3H1000C33.4
10.0
32.3
OB
SO
LET
E –
Rep
lace
d b
y P
SR
Ser
ies
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