Technical Data 4121 Effective July 2015 Supersedes March 2014 BUSSMANN SERIES Bussmann series EFS BS88 Center bolted tags 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 4121 Bussmann series EFS BS88 Center bolted tags Effective July 2015 Catalogue symbol: EFS (Amps) • Technical data: • Rated voltage: 415 V a.c. (gG) • Rated current: 125 to 315 A • Breaking capacity: 80 kA • Class of operation: gG Standards/approvals: • BS88 • IEC 60269 • RoHS compliant Fuse holders (ordered separately) RS400H • Packaging: MOQ 1 • Table 1. Technical data Part number Rated voltage Rated current (Amps) EFS125 EFS160 EFS200 EFS250 EFS315 415 V a.c. 415 V a.c. 415 V a.c. 415 V a.c. 415 V a.c. 125 160 200 250 315 Energy integrals I2t (A2S) Watts loss Prearcing Total at 415V W 29,500 57,000 120,000 200,000 265,000 71,000 135,000 290,000 480,000 635,000 11 13 14 18 22 Dimensions - mm Catalogue numbers EFS125-250 A 158 B 133 C 47 D 31 E 3.2 F 19 G 12.5 H 10.5 K 22.5 H 4.7 J 38 $ % - & ' ( * + ) Catalogue numbers EFS315 2 A 209 B 184 C 133 EATON www.eaton.com D 50 E 25.4 F 12.5 G 10.5 Technical Data 4121 Bussmann series EFS BS88 Center bolted tags Effective July 2015 Time current curve 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. 4121 July 2015 Eaton is a registered trademark. All other trademarks are property of their respective owners.