Littelfuse LDC Series Catalog Page
POWR-GARD® Fuse Datasheet
UL Class L
LDC SERIES POWR-PRO® FUSES
600VAC/DC•Time-Delay•150-2000Amperes
Specifications
Voltage Ratings: AC: 600 V
DC: 600 V
Interrupting Ratings : AC: 200 kA rms symmetrical
DC: 50 k A
(16 millisecond time-constant)
Ampere Range: 150–2000 A
Approvals: Standard 248-10, Class L
UL Listed 601–2000 A (File No. E81895)
UL Recognized 150–600 A
(File No. E71611)
CSA Certified 150–2000 A
(File No. LR29862)
Description
High DC voltage and interrupting ratings make the
POWR-PRO LDC ideal for DC applications. The DC
interrupting performance exceeds UL listing requirements.
Applications
• Solar inverter and array protection
• UPS protection especially for large battery circuits
• DC distribution and variable speed drives
• Mass transit systems
Features/Benefits
• Extremely Current-Limiting
• 600 V AC/DC rated
• 200 kA AC Interrupting Rating
• 50 kA DC Interrupting Rating
Ordering Information
AMPERE RAT INGS
150 450 750 1201 1601
200 500 800 1300 1800
250 600 900 1350 1900
300 601 1000 1400 2000
350 650 1100 1500
400 700 1200 1600
SERIES AMPER AGE CATALOG N UMBER SYS TEM NUMBE R
LDC 700 LDC700 0LDC700.X
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/ldc
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©June 2011 Littelfusewww.littelfuse.com
POWR-GARD® Fuse Datasheet
UL Class L
CLASS L CURRENT-LIMITING EFFECTS
Current-Limiting Effects of LDC (600 V) Fuses
SHORT CIRCUIT
CURRENT*
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
APPA REN T RMS S YM ME T RI CA L CUR REN T FOR VA RIOUS FUSE RATINGS
80 0 A 120 0 A 1600 A 2000 A
5,000 5,000 5,000 5,000
8,500 10,000 10,000 10,000
9,750 14,000 15,000 15,000
10,500 15,000 19,000 20,000
11,500 16,000 21,000 25,000
12,000 17,000 22,000 26,000
12,500 18,000 23,000 28,000
13,500 19,000 24,000 30,000
14,000 21,000 26,000 32,000
15,000 22,000 28,000 34,000
16,000 24,000 30,000 36,000
100,000
150,000
200,000
*Prospective RMS Sy m met ri cal A mperes Short- Circuit C urrent
Note: Data derived from Pe ak Let-Thru Curves
18,000 25,000 33,000 40,000
20,000 30,000 38,000 44,000
23,000 32,000 41,000 46,000
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©June 2011 Littelfusewww.littelfuse.com
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