DC Reverse Current
HARTMAN Aerospace Power Products
Features:
• SPST N.O. Main Contacts
• Economizing Coil
• 28 VDC
• 400 Amps
A-701D SPST N.O., 400 Amps, 28 VDC,
Cutout Reverse Current
• High Reliability
• Meets many requirements of MIL-R-6106
CONTACTOR CONFIGURATION
Notes:
Dimensions for this product are expressed in inches.
Multiply values by 25.4 for millimeters.
PRODUCT SPECIFICATIONS
Construction
Gasket Sealed, Vented
Main Contacts:
Configuration
Voltage (Nominal)
SPST N.O.
28 VDC
Current (Resistive)
400 Amps
Main Contactor Coil:
Duty Cycle (SEE NOTE)
Voltage (Nominal)
Continuous (Economizing)
28 VDC
Pick-Up Voltage
Drop-Out Voltage
18 VDC Maximum
.5 - 7 VDC
Coil Current @ +25°C
Pick-Up
3.75 Amp
0.35 Amp
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 (+BAT to GEN)
Weight Maximum
22 VDC
.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
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
South America: 55-11-3611-1514
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
www.tycoelectronics.com
UK: 44-141-810-8967