Technical Data 1014 Effective August 2015 Supersedes January 2014 BUSSMANN SERIES LIMITRON™ FNQ-R Class CC 600Vac, 1⁄4-30A, time-delay fuses Catalog numbers (amps) Catalog symbol: • FNQ-R-1-3⁄10 FNQ-R-3-2⁄10 FNQ-R-8 FNQ-R-3⁄10 FNQ-R-1-4⁄10 FNQ-R-3-1⁄2 FNQ-R-9 FNQ-R-4⁄10 FNQ-R-1-1⁄2 FNQ-R-10 FNQ-R-1⁄2 FNQ-R-1-6⁄10 FNQ-R-4-1⁄2 FNQ-R-12 FNQ-R-6⁄10 FNQ-R-1-8⁄10 FNQ-R-5 FNQ-R-15 FNQ-R-3⁄4 FNQ-R-2 FNQ-R-5-6⁄10 FNQ-R-17-1⁄2 FNQ-R-8⁄10 FNQ-R-2-1⁄4 FNQ-R-6 FNQ-R-20 FNQ-R-1 FNQ-R-2-1⁄2 FNQ-R-6-1⁄4 FNQ-R-25 FNQ-R-1-1⁄8 FNQ-R-2-8⁄10 FNQ-R-7 FNQ-R-1-1⁄4 FNQ-R-3 FNQ-R-4 FNQ-R-30 FNQ-R-7-1⁄2 Carton quantity: FNQ-R-(amp) Description: FNQ-R-1⁄4 Amp rating Carton qty. 1⁄4-30 10 Dimensions - in: Advanced protection Class CC current-limiting, time-delay fuses. 1.5" (± 0.031) (38.1mm) 0.41" (± 0.005) (10.3mm) Specifications: Ratings • Volts • 600Vac • Features: • Provides 10X better current limitation to help prevent equipment damage caused by shortcircuit events. • 200kA interrupting rating complies with NEC® Section 110.9 for today’s large capacity systems. • Fast-acting fuse helps prevent equipment damage caused by short-circuit events. • Rejection type fuse fits both standard and rejection-style holders. 300Vdc (15 & 20A) • Amps 1⁄4-30A • IR • 200kA Vac RMS Sym. • 20kA Vdc (15 & 20A) Agency information • UL Listed, Std. 248-4, Class CC, Guide JDDZ, File E4273 • • CSA Certified, Class CC CSA, Class 1422-01, File 53787–HRC-MISC The Class CC FNQ-R Limitron fuse meets the needs of control circuit transformer protection. • • CE • RoHS compliant* FNQ-R fuses can be sized according to NEC® and UL requirements and still allow the high inrush currents, with significantly more timedelay than the UL minimum value of 12 seconds at 200% for Class CC fuses. • Ideal for critical industrial or commercial applications that have specific current limitation requirements. ® ® * FNQ-R-1⁄4 not RoHS complaint. LIMITRON™ FNQ-R Class CC 600Vac, 1⁄4-30A, time-delay fuses Technical Data 1014 Effective August 2015 Applications: • Branch circuits • Line protection • Small control transformers • Industrial control Recommended fuse blocks and holders: Fuse amps 1-Pole 2-Pole 3-Pole Modular open blocks 0-30 BCM603-1_ BCM603-2_ BCM603-3_ DIN-Rail holders 0-30 CHCC1D_ CHCC2D_ CHCC3D_ — — OPM-NG-_ — — OPM-1038_ — — OPM-1038_SW Panel mount holders 0-30 HPS — — HPF — — In-line holders 0-30 — HEY — HEZ — — For additional information on Class CC fuse blocks and holders, see data sheets: • Modular open blocks # 10241 (BCM) • DIN-Rail holders No. 3185 (CHCC), No. 1109 (OPM), No. 1102 (OPM-1038), No. 1103 (OPM-1038_SW) • Panel mount holders No. 2113 (HPS), No. 2114 (HPF) • In-line holders No. 2126 (HEY), No. 2130 (HEZ) 2 Eaton.com/bussmannseries LIMITRON™ FNQ-R Class CC 600Vac, 1⁄4-30A, time-delay fuses Technical Data 1014 Effective August 2015 Time-current curves - average melt: 1/2 6/10 3/4 8/10 1 1-1/8 1-1/4 1-1/2 1-8/10 2 2-1/2 3 3-2/10 3-1/2 4 5 5-6/10 6 6-1/4 7 7-1/2 1⁄2 to 71⁄2 amps AMP RATING 200 100 TIME IN SECONDS 10 1 300 400 500 200 100 10 0.5 0.01 1 0.1 CURRENT IN AMPS Eaton.com/bussmannseries 3 LIMITRON™ FNQ-R Class CC 600Vac, 1⁄4-30A, time-delay fuses Technical Data 1014 Effective August 2015 Time-current curves - average melt: 15 to 30 Amps AMP RATING 30A 15A 20A 1000 TIME IN SECONDS 100 10 1 0.1 4 Eaton.com/bussmannseries 10000 CURRENT IN AMPS 1000 100 10 1 0.01 LIMITRON™ FNQ-R Class CC 600Vac, 1⁄4-30A, time-delay fuses Technical Data 1014 Effective August 2015 Current-limitation curves: 1-1⁄2 to 7-1⁄2 amps Eaton.com/bussmannseries 5 LIMITRON™ FNQ-R Class CC 600Vac, 1⁄4-30A, time-delay fuses Technical Data 1014 Effective August 2015 Current-limitation curves: 10 to 30 amps The only controlled copy of this data sheet is the electronic read-only version located on the Eaton network drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Eaton 1000 Eaton Boulevard Cleveland, OH 44122 Eaton.com Bussmann Division 114 Old State Road Ellisville, MO 63021 United States Eaton.com/bussmannseries © 2015 Eaton All Rights Reserved Printed in USA Publication No. 1014 — BU-SB14042 August 2015 Eaton, Bussmann and Limitron are valuable trademarks of Eaton in the US and other countries. You are not permitted to use the Eaton trademarks without prior written consent of Eaton. UL® is a registered trademark of the Underwriters Laboratories, Inc. CSA® is a registered trademark of the Canadian Standards Group. NEC® is a registered trademark of the National Fire Protection Association, Inc.