Technical Data 4122 Effective July 2015 Supersedes March 1998 BUSSMANN SERIES Bussmann series FG BS88 Centre bolted tags fuse links Product description Eaton’s Bussmann series range of British Standard fuse links is specifically designed for the protection of general industrial applications e.g. power distribution, cable protection, motor protection. Standard features • Good peak let-through current limitation • 1:1:6 Selective coordination ratio between “minor” and “major” fuse • gG characteristics for cable protection and general purpose applications • Power loss values well within the limits of IEC 60269 Technical Data 4122 Bussmann series FG BS88 Centre bolted tags fuse links Effective July 2015 Catalogue symbol: FG(Amps) • Technical data: • Rated voltage: 550 V a.c. / 400 V d.c. • Rated current: 450 to 630 A • Breaking capacity: 80 kA • Class of operation: gG Standards/approvals: • BS88 • IEC 60269 • RoHS compliant Packaging: MOQ 1 • Table 1. Technical data Part number FG450 FG500 FG560 FG630 Energy integrals I2t (A2S) Watts loss Rated voltage Rated current (Amps) Prearcing Total at 415V W 550 V a.c./400 V d.c. 550 V a.c. / 400 V d.c. 550 V a.c. / 400 V d.c. 550 V a.c. / 400 V d.c. 450 500 560 630 880 1100 1400 2000 1600 2000 2400 3500 32 38 43 50 Dimensions - mm $ % - & ' ( * + ) Catalogue numbers FG450-630 2 A 262 B 231 C 167 EATON www.eaton.com D 77.5 E 38 F 15.5 G 10.5 H 6.4 J 74 Technical Data 4122 Bussmann series FG BS88 Centre bolted tags fuse links Effective July 2015 Time current curve 450A 500A 560A 630A Changes to the products, to the information contained in this document, and to prices are reserved; so are errors and omissions. Only order confirmations and technical documentation by Eaton is binding. Photos and pictures also do not warrant a specific layout or functionality. Their use in whatever form is subject to prior approval by Eaton. The same applies to Trademarks (especially Eaton, Moeller, and Cutler-Hammer). The Terms and Conditions of Eaton apply, as referenced on Eaton Internet pages and Eaton order confirmations. Eaton EMEA Headquarters Route de la Longeraie 7 1110 Morges, Switzerland Eaton.eu © 2015 Eaton All Rights Reserved Publication No. 4122 July 2015 Eaton is a registered trademark. All other trademarks are property of their respective owners.