Effective July 2016 Supersedes December 1998 Technical Data 1041 BUSSMANN SERIES Aircraft limiter - fast-acting Catalog symbols: ACH-_ * The knife blade terminals on ACH limiters are silver-plated * Limiters are made with a silicone body that assures reliable performance under severe conditions * Designed to withstand exposure to moisture, fungus, salt spray, sand and dust, and mechanical vibration and shock Dimensions - in (mm): Description: A Bussmann(R) series fast-acting aircraft limiter. D Specifications: Ratings* BUSS ACH Volts * 280 Vac * 125 Vdc * B * Amps - 1-60 A * Interrupting rating * 6000 A (120 Vac) 4200 A (208 Vac) * 6000 A (125 Vdc) * C 30 0.400" E (10.2mm) * At sea level to 6000 ft. 0.19" Test specifications (4.76mm) Carry 200% rated current for 5 minutes, open at 240% within 5 minutes * Amp rating 2-30 Catalog numbers (amps) ACH-2 ACH-15 ACH-35 ACH-3 ACH-20 ACH-40 ACH-5 ACH-25 ACH-50 ACH-10 ACH-30 ACH-60 Features: * Bussmann series ACH limiters are designed to meet the very rigorous requirements of high speed, high performance aircraft * Isolate faults or grounds in aircraft electric systems of 120/208 volts 400 cycles AC or 125 volts DC * ACH limiters give visual indication when open by a springactivated pin that extends from the limiter body 35-60 A B C D E 1.97 0.062 0.48 1.32 0.98 (50.0) (1.57) (12.2) (33.6) (24.9) 2.22 0.094 0.55 1.45 1.10 (56.36) (2.38) (13.97) (36.83) (27.9) Technical Data 1043 Aircraft limiter fast-acting Effective July 2016 Amp rating 30 40 50 60 100 20 10 Time-current curves--average melt Recommended fuse blocks Time in seconds 10 Fuse amps 1-Pole 2-Pole 3-Pole 2-3 SFB1030-01 SFB1030-02 SFB1030-03 35-60 SFB1060-01 SFB1060-02 SFB1060-03 Fuse block base dimensions - in 1 Fuse amps 1-Pole 2-Pole 3-Pole 2-3 0.688 x 3.125 1.188 x 3.125 1.625 x 3.125 35-60 0.844 x 3.375 1.594 x 3.375 2.25 x 3.375 All fuse blocks have molded melamine base, the metal parts are silver-plated, and the clips are beryllium copper. 2,000 1000 100 10 0.01 4 0.1 Current in 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 United States Eaton.com For Eaton's Bussmann series product information, call 1-855-287-7626 or visit: Eaton.com/bussmannseries Bussmann Division 114 Old State Road Ellisville, MO 63021 United States Eaton.com/bussmannseries (c) 2016 Eaton All Rights Reserved Printed in USA Publication No. 1041 - BU-SB13990 July 2016 Eaton and Bussmann 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. Follow us on social media to get the latest product and support information.