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| NLN/NLS Class K5 Fuses 250/600 VAC I "ONE-TIME" I 1 - 600 Amperes SPECIFICATIONS Voltage Ratings: AC: 250 Volts (NLN, NLKP) 600 Volts (NLS) DC: 250 Volts (NLN) 400 Volts (NLS 35 - 60A) 500 Volts (NLS 8 - 15A) (NLS 225 - 600A) 600 Volts (NLS 1 - 7A) (NLS 20 - 30A) (NLS 70 - 200A) Interrupting Ratings: AC: 50,000 amperes rms symmetrical (NLN/NLS) 10,000 amperes (NLKP) DC: 20,000 amperes (NLN/NLS 1 - 60A) 50,000 amperes (NLN/NLS 70 - 600A) Ampere Range: 1- 600 amperes (NLN/NLS) 15 - 60 amperes (NLKP) Approvals: NLN/NLS: Standard 248-9, Class K5 UL Listed (File No: E81895) CSA Certified (File No: LR29862)** **Excludes NLN 15-60A NLKP: Standard 248-6, Class H UL Listed (File No: E81895) CSA Certified (File No: LR29865) Meets CSA "Type P" requirements AMPERE RATINGS 1 7 * 25 * 60 125 300 2 8 * 30 70 150 350 3 10 * 35 80 175 400 4 12 * 40 90 200 450 5 * 15 * 45 100 225 500 6 * 20 * 50 110 250 600 * NLKP series available only in those amperages preceded by an asterisk. Example part number (series & amperage): NLS 125 NLN and NLS series fuses provide low cost protection for general purpose feeder and branch circuits when available short circuit currents are less than 50,000 amperes. They replace all Class H fuses which have only a 10,000 ampere interrupting rating. They are suitable for use in many residential and smaller commercial and industrial applications. NLKP series fuses are Canadian "Code" fuses specifically designed to meet Canadian Electrical Code Type P fuse requirements for residential use. They have a 10,000 ampere interrupting rating. However, to obtain the added benefits of time-delay, currentlimitation, and higher interrupting rating, consider the use of POWR-PRO(R) IDSR IndicatorTM fuses for circuits between 250 and 600 volts. The user gets all the benefits of time-delay RK5 fuses plus the added benefits of an indicating fuse that tells when it has opened. Complete information on these fuses may be found in the POWR-PRO(R) section of this catalog. For circuits up to 250 volts, see FLNR fuses in this section of the catalog. RECOMMENDED FUSE BLOCKS LH250 series (for NLN and NLKP series fuses) LH600 series (for NLS series fuses) Refer to Fuse Block section of this catalog for additional information. APPLICATIONS General purpose residential and commercial circuits with little or no motor load. Resistive heating loads. ECONOMICAL I NOTE: NLKP series fuses have limited interrupting rating and should be used only where available short circuit current is known to be less than the fuse interrupting rating. Where available fault current is unknown, where it exceeds NLN/NLS interrupting rating, or where it may increase in the future, 200,000 ampere interrupting rating Littelfuse POWR-PROTM FLNR_ID/FLSR_ID IndicatorTM fuses and FLNR/FLSR series fuses provide superior protection for all motor and general purpose circuits containing inductive loads. For use in applications where lowest initial cost is the major consideration. SAFETY I 50,000 A.I.R., Class K5 -- Adequate interrupting capacity for residences and many smaller facilities. 34 NLN/NLS Class K5 Fuses 250/600 VAC I "ONE-TIME" C I 1 - 600 Amperes A D B FIG. 2 C F D G E A B FIG. 1 AMPERES REFER TO FIG. NO. DIMENSIONS IN INCHES (mm in parentheses) SERIES NLN NLKP NLS NLN NLKP NLS NLN NLS NLN NLS NLN NLS NLN NLS A 2 (50.8) 5 (127.0) 3 (76.2) 5-1/2 (139.7) 5-7/8 (149.2) 7-7/8 (200.0) 7-1/8 (181.0) 9-5/8 (244.5) 8-5/8 (219.1) 11-5/8 (295.3) 10-3/8 (263.5) 13-3/8 (339.7) B 1/2 (12.7) 3/4 (19.1) 3/4 (19.1) 1 (25.4) 1 (25.4) 1-1/4 (31.8) 1-1/2 (38.1) 1-3/4 (44.5) 2 (50.8) 2-1/2 (63.5) 2-1/2 (63.5) 3 (76.2) C 1/2 (12.7) 5/8 (15.9) 5/8 (15.9) 5/8 (15.9) 1 (25.4) 1 (25.4) 1-3/8 (34.9) 1-3/8 (34.9) 1-7/8 (47.6) 1-7/8 (47.6) 2-1/4 (57.2) 2-1/4 (57.2) D 9/16 (14.3) 13/16 (20.6) 13/16 (20.6) 1-1/16 (27.0) 1-1/16 (27.0) 1-5/16 (33.3) 1-9/16 (39.7) 1-27/32 (46.8) 2-3/32 (53.2) 2-19/32 (65.9) 2-19/32 (65.9) 3-3/32 (78.6) E -- -- -- -- 1/8 (3.2) 1/8 (3.2) 3/16 (4.8) 3/16 (4.8) 1/4 (6.4) 1/4 (6.4) 1/4 (6.4) 1/4 (6.4) F -- -- -- -- 3/4 (19.1) 3/4 (19.1) 1-1/8 (28.6) 1-1/8 (28.6) 1-5/8 (41.3) 1-5/8 (41.3) 2 (50.8) 2 (50.8) G -- -- -- -- 1-5/16 (33.3) 1-9/16 (39.7) 1-7/8 (47.6) 2-3/32 (53.2) 2-13/32 (61.1) 2-7/8 (73.0) 2-7/8 (73.0) 3-7/16 (87.3) 1 - 30 1 35 - 60 1 70 - 100 2 110 - 200 2 225 - 400 2 450 - 600 2 200A 200A 400A 100A 600A 15A 20A 25A 30A 1000 800 600 400 300 200 60A 1000 800 600 400 300 200 100 80 60 40 30 20 100 80 60 40 30 20 TIME IN SECONDS 10 8 6 4 3 2 TIME IN SECONDS 10 8 6 4 3 2 1 .8 .6 .4 .3 .2 1 .8 .6 .4 .3 .2 .1 .08 .06 .04 .03 .02 .1 .08 .06 .05 .04 .03 .02 .01 .01 100A 400A 600 15A 20A 25A 30A 600A 1000 800 60A 60 100 80 NLN NLS 40 60 100 80 200 300 400 600 1000 800 2000 3000 4000 6000 10000 8000 20000 30000 40000 60000 100000 80000 6 5 10 8 20 30 40 200 300 400 2000 3000 4000 6000 10000 8000 20000 30000 40000 60000 100000 80000 6 5 10 8 20 30 CURRENT IN AMPERES CURRENT IN AMPERES 35 |
Price & Availability of NLS
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