A-791M

HARTMAN Aerospace Power Products DC Reverse Current Features: • SPST N.O. Main Contacts • Economizing Coil • 28 VDC • 1000 Amps • High Reliability • Meets many requirements of MIL-R-6106 A-791M SPST N.O., 1000 Amps, 28 VDC, Cutout Reverse Current CONTACTOR CONFIGURATION Notes: Dimensions for this product are expressed in inches. Multiply values by 25.4 for millimeters. PRODUCT SPECIFICATIONS Construction Main Contacts: Configuration Voltage (Nominal) Current (Resistive) Main Contactor Coil: Duty Cycle (SEE NOTE) Voltage (Nominal) Pick-Up Voltage Drop-Out Voltage Coil Current @ 25°C Pick-Up Hold Differential Voltage Coil: Positive Drop-Out (+BAT, -CASE) Differential Voltage Pick-Up GEN to BAT Unexcited Bus Pick-Up (+GEN, -CASE) Reverse Current Drop-Out (+BAS to GEN) Weight Maximum Gasket Sealed, Vented SPST N.O. 28 VDC 1000 Amps Continuous (Economizing) 28 VDC 18 VDC Maximum .5 - 7 VDC 1.65 Amp .390 Amp 22 VDC Maximum .4 ±.25 VDC 18 - 24 VDC 25 - 50 Amps 3 Lbs. 10 Oz. NOTE: Intermittent Coil Duty with voltage applied to app. TYPICAL APPLICATION: Reverse current protection for 1000 ampere DC starter/generators and/or transformer rectifier units. Contact Hartman for a detailed Theory of Operation. For factory-direct application assistance, contact the HARTMAN product team at (419) 521-9500, Fax (419) 526-2749. © 2004 by Tyco Electronics Corporation. All Rights Reserved. HARTMAN and TYCO are trademarks. Catalog (web doc only) Revised 5-04 www.tycoelectronics.com Dimensions are in inches and millimeters unless otherwise specified. Values in brackets are metric equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. USA: 1-800-522-6752 Canada: 1-905-470-4425 Mexico: 01-800-733-8926 C. America: 52-55-5-729-0425 South America: 55-11-3611-1514 Hong Kong: 852-2735-1628 Japan: 81-44-844-8013 UK: 44-141-810-8967