KLPC1200X
INDUSTRIAL FUSE, TIME DELAY, 1.2KA, 600V
- Manufacturer: LITTELFUSE
- Product type: Industrial & Electrical Power Fuses
- Product Range:POWR-GARD KLPC Series; Fuse Current:1.2kA; Voltage Rating VAC:600V; Voltage Rating VDC:480V; Fuse Size Metric:63.5mm x 95.3mm; Fuse Size Imperia 02B8151
- Fuse Current: 1.2kA
- Product Range: POWR-GARD KLPC Series
- Fuse Size Metric: 63.5mm x 95.3mm
- Fuse Size Imperial: 2-1/2" x 3-3/4"
- Voltage Rating VAC: 600V
- Voltage Rating VDC: 480V
- Blow Characteristic: Time Delay
| Delivery and price | |
|---|---|
| Units per pack | 10 |
| Price | 562.8 € |
| Current stock | 10+ |
| Lead time | 30 days |
**POWR-GARD[®] Fuse Datasheet** ## CLAS ~~S L~~ – KLP ~~C~~ SERIE ~~S FUSES~~ 600 V ac • Time-Delay • 200-6000 A ~~T~~ LL Pro- ## **Ordering Information** |200<br>250<br>300<br>350<br>400<br>450||500<br>600<br>601<br>650<br>700<br>750|AMPERE RATINGS<br>800<br>900<br>1000<br>1100<br>1200<br>1300|AMPERE RATINGS<br>1350<br>1400<br>1500<br>1600<br>1800<br>1900||2000<br>3000<br>2100<br>3500<br>2200<br>4000<br>2300<br>4500<br>2400<br>5000<br>2500<br>6000| |---|---|---|---|---|---|---| |||||||| |SERIES<br>KLPC|||AMPERAGE<br>CATALOG NUMBER<br>800<br>KLPC800<br>|<br>|<br>|||||ORDERING NUMBER<br>KLPC800.X| ## **Web Resources** ## **Description** KLPC series POWR-PRO[®] fuses meet or exceed the most stringent project specifications, including silver links, silver-plated copper end bells, glass-reinforced melamine bodies, O-ring seals between body and end bells, and granular quartz fillers. ## **Applications** - Switchboard mains and feeders - Motor control center mains - Large motor branch circuits - Protection of power circuit breakers ## **Features/Benefits** - POWR-PRO[®] Performance - Best-in-class time-delay withstand - Current-Limiting - Easily coordinated with other system components - 300 kA AC Interrupting Rating (self-certified) ## **Specifications** **Voltage Ratings** Ac: 600 V Dc: 480 V **Interrupting Ratings** Ac: 200 kA rms symmetrical 300 kA rms symmetrical (Littelfuse self-certified) Dc: 20,000 A **Ampere Range** 200 – 6000 A **Approvals** Ac: Standard 248-10, Class L UL Listed 601–6000 A (File: E81895) UL Recognized 200–600 A (File: E71611) CSA Certified 601A-6,000A. (File: LR29862) Federal Specifications 700–6000 A (QPL-W-F-1814) Dc: Littelfuse self-certified TC Curves, downloadable CAD drawings and other technical information: **littelfuse.com/klpc** ## **Dimensions** Please refer to Class L dimensions page 2. ## **Peak Let-Thru Curve** **==> picture [226 x 282] intentionally omitted <==** **----- Start of picture text -----**<br> KLPC<br>1,000,000 1,000,000<br>900,000 900,000<br>800,000 800,000<br>700,000 700,000<br>600,000 600,000<br>500,000 500,000<br>6000A -<br>400,000 400,000<br>4000A - B<br>300,000 3000A - 300,000<br>2000A -<br>1600A -<br>200,000 1200A - 200,000<br>800A -<br>600A -<br>‘><br>100,000 100,000<br>90,000 Ky 90,000<br>80,000 80,000<br>70,000 70,000<br>60,000 60,000<br>50,000 50,000<br>40,000 40,000<br>30,000 30,000<br>20,000 20,000<br>A<br>10,000 10,000<br>AVAILABLE FAULT CURRENT<br>SYMMETRICAL R.M.S. AMPERES<br>1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 90,000 100,000 200,000<br>PEAK LET- THRU IN AMPERES<br>1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 20,000 30,000 40,000 50,000 60,000 70,000 80,000 90,000 100,000 200,000<br>**----- End of picture text -----**<br> _Note: For more information, see Peak Let-Thru Table_ **1 of 2** © 2019 Littelfuse POWR-GARD[®] Products Rev: 060719 www.littelfuse.com **POWR-GARD[®] Fuse Datasheet** **==> picture [93 x 32] intentionally omitted <==** ## CLAS ~~S L~~ – KLP ~~C~~ SERIE ~~S FUSES~~ ## **Current-Limiting Effects of KLPC (600 V) Fuses** **==> picture [505 x 147] intentionally omitted <==** **----- Start of picture text -----**<br> SHORT CIRCUIT APPARENT RMS SYMMETRICAL CURRENT FOR VARIOUS FUSE RATINGS<br>CURRENT* 800 A 1200 A 1600 A 2000 A 3000 A 4000 A 5000 A 6000 A<br>5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000 5,000<br>10,000 8,800 10,000 10,000 10,000 10,000 10,000 10,000 10,000<br>15,000 10,500 13,500 15,000 15,000 15,000 15,000 15,000 15,000<br>20,000 12,000 15,000 19,000 20,000 20,000 20,000 20,000 20,000<br>25,000 13,000 16,000 21,000 24,000 25,000 25,000 25,000 25,000<br>30,000 14,000 18,000 23,000 26,000 30,000 30,000 30,000 30,000<br>35,000 15,000 19,000 24,000 27,000 32,000 35,000 35,000 35,000<br>40,000 16,000 20,000 25,000 28,000 34,000 40,000 40,000 40,000<br>50,000 17,000 22,000 27,000 31,000 37,000 42,500 50,000 50,000<br>60,000 18,000 24,000 29,000 34,000 40,000 46,000 52,000 60,000<br>80,000 20,000 26,000 32,000 37,000 44,000 51,000 57,000 70,000<br>100,000 21,000 27,000 34,000 40,000 46,000 57,000 65,000 75,000<br>150,000 23,000 31,000 38,000 44,000 54,000 67,000 75,000 87,000<br>200,000 24,000 34,000 42,000 46,000 57,000 70,000 80,000 95,000<br>**----- End of picture text -----**<br> *Prospective RMS Sym met ri cal Amperes Short-Circuit Current • _Note: Data derived from Peak Let-Thru Curves_ ## **Dimensions** **==> picture [530 x 441] intentionally omitted <==** **----- Start of picture text -----**<br> FIG. DIMENSIONS INCHES (mm)<br>AMPERES<br>NO. A B C D E F G H J K L M N<br>200-800 1 3 [3] ⁄4 5 [3] ⁄4 6 [3] ⁄4 — — 8 [5] ⁄8 — — 2 2 [1] ⁄2 3⁄8 5⁄8 x 11⁄8 —<br>(95.3) (146.1) (171.5) (219.1) (50.8) (63.5) (9.5) (15.9) x (28.6)<br>900-1200 2 3 [3] ⁄4 5 [3] ⁄4 6 [3] ⁄4 9 [1] ⁄4 9 [1] ⁄2 10 [3] ⁄4 — — 2 2 [1] ⁄2 3⁄8 5⁄8 x 3⁄4 5⁄8 x 11⁄8<br>(95.3) (146.1) (171.5) (235.0) (241.3) (273.1) (50.8) (63.5) (9.5) (15.9) x (19.1) (15.9) x (28.6)<br>1300-1600 2 3 [3] ⁄4 5 [3] ⁄4 6 [3] ⁄4 9 [1] ⁄4 9 [1] ⁄2 10 [3] ⁄4 — — 2 [3] ⁄8 3 7⁄16 5⁄8 x 3⁄4 5⁄8 x 11⁄8<br>(95.3) (146.1) (171.5) (235.0) (241.3) (273.1) (60.3) (76.2) (11.1) (15.9) x (19.1) (15.9) x (28.6)<br>1800-2000 2 3 [3] ⁄4 5 [3] ⁄4 6 [3] ⁄4 9 [1] ⁄4 9 [1] ⁄2 10 [3] ⁄4 — — 2 [3] ⁄4 3 [1] ⁄2 1⁄2 5⁄8 x 3⁄4 5⁄8 x 11⁄8<br>(95.3) (146.1) (171.5) (235.0) (241.3) (273.1) (69.9) (88.9) (12.7) (15.9) x (19.1) (15.9) x (28.6)<br>4 5 [3] ⁄4 6 [3] ⁄4 9 [1] ⁄4 9 [1] ⁄2 10 [3] ⁄4 1 [5] ⁄8 1 [3] ⁄4 3 [1] ⁄2 5 3⁄4 5⁄8 x 3⁄4 5⁄8 x 11⁄8<br>2100-2500 3<br>(101.6) (146.1) (171.5) (235.0) (241.3) (273.1) (41.3) (44.5) (88.9) (127.0) (19.1) (15.9) x (19.1) (15.9) x (28.6)<br>4 5 [3] ⁄4 6 [3] ⁄4 9 [1] ⁄4 9 [1] ⁄2 10 [3] ⁄4 1 [5] ⁄8 1 [3] ⁄4 4 5 3⁄4 5⁄8 x 3⁄4 5⁄8 x 11⁄8<br>2501-3000 3<br>(101.6) (146.1) (171.5) (235.0) (241.3) (273.1) (41.3) (44.5) (101.6) (127.0) (19.1) (15.9) x (19.1) (15.9) x (28.6)<br>4 5 [3] ⁄4 6 [3] ⁄4 9 [1] ⁄4 9 [1] ⁄2 10 [3] ⁄4 1 [3] ⁄4 3 [1] ⁄4 4 [3] ⁄4 5 [3] ⁄4 3⁄4 5⁄8 x 13⁄8 5⁄8 x 13⁄8<br>3500-4000 4<br>(101.6) (146.1) (171.5) (235.0) (241.3) (273.1) (44.5) (82.6) (120.7) (146.1) (19.1) (15.9) x (34.9) (15.9) x (34.9)<br>4500-5000 5 4 5 [3] ⁄4 — 9 [1] ⁄4 — 10 [3] ⁄4 1 [5] ⁄8 3 [1] ⁄4 5 [1] ⁄4 7 [1] ⁄8 1 5⁄8 DIA. —<br>(101.6) (146.1) (235.0) (273.1) (41.3) (82.6) (133.4) (181.0) (25.4) (15.9)<br>6000 5 4 5 [3] ⁄4 — 9 [1] ⁄4 — 10 [3] ⁄4 1 [5] ⁄8 3 [1] ⁄4 5 [1] ⁄4 7 [1] ⁄8 1 5⁄8 DIA. —<br>(101.6) (146.1) (235.0) (273.1) (41.3) (82.6) (133.4) (181.0) (25.4) (15.9)<br>J<br>J<br>J H<br>C B A F C B A D E F C B A D E F<br>M N N<br>M M G<br>FIG.1 FIG.2 FIG. 3<br>J J<br>H H<br>C B A D E F D B A F<br>L<br>N K<br>M<br>G G M<br>FIG. 4 FIG. 5<br>**----- End of picture text -----**<br> **Disclaimer Notice -** Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at **www.littelfuse.com/product-disclaimer.** **2 of 2** © 2019 Littelfuse POWR-GARD[®] Products Rev: 060719 www.littelfuse.com
Updated at April 17, 2026
Founded in 1927 and headquartered in Chicago, Illinois, Littelfuse is a premier global manufacturer of circuit protection, power control, and sensing technologies. Widely recognized for pioneering the first small, fast-acting protective fuse, the company has grown into an industry leader whose highly reliable components are essential to modern industrial, transportation, and consumer electronics applications worldwide. At the core of the Littelfuse portfolio is an expansive and industry-leading range of circuit protection solutions. This encompasses a massive selection of traditional fuses, fuse holders, and resettable PTC thermistor fuses designed to safely interrupt overcurrent conditions. To defend against electrical overstress, Littelfuse also provides advanced transient voltage suppression (TVS) technologies, including thousands of specialized TVS diodes, TVS varistors, and gas discharge tubes (GDTs) that ensure robust defense against voltage spikes and environmental hazards. Beyond its foundational protection components, Littelfuse manufactures a diverse array of discrete semiconductors, sensors, and switching devices. Engineers rely on their high-performance thyristors, including TRIACs and SCRs, alongside power-efficient Schottky diodes and MOSFETs for demanding power control applications. Complemented by precision proximity sensors and highly reliable reed and solid-state relays, Littelfuse delivers the critical building blocks required for secure, efficient, and complete system design.
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