Hartman, 175 N. Diamond Street, Mansfield, OH 44902, (419) 521-9500, FAX (419) 526-2749, E-Mail: hrtmnelc@richnet.net, Web Site: http://www.hartmanrelay.com
DC Reverse Current
100
CONTACTOR CONFIGURATION
A-701D SPST N.O., 400 Amps, 28 VDC,
Cutout Reverse Current
PRODUCT SPECIFICATIONS
Construction Gasket Sealed, Vented
Main Contacts:
Configuration SPST N.O.
Voltage (Nominal) 28 VDC
Current (Resistive) 400 Amps
Main Contactor Coil:
Duty Cycle (SEE NOTE) Continuous (Economizing)
Voltage (Nominal) 28 VDC
Pick-Up Voltage 18 VDC Maximum
Drop-Out Voltage .5 - 7 VDC
Coil Current @ +25°C
Pick-Up 3.75 Amp
Hold 0.35 Amp
Differential Voltage Coil:
Positive Drop-Out (+BAT, -CASE) 22 VDC
Differential Voltage Pick-Up +GEN to BAT .4 ±25 VDC
Unexcited Bus Pick-Up (+GEN, -CASE) 18 - 24 VDC
Reverse Current Drop-Out (+BAT to GEN) 25 - 50 Amps
Weight Maximum 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.
Features:
• SPST N.O. Main Contacts
• Economizing Coil
• 28 VDC
• 400 Amps
• High Reliability
• Meets many requirements of MIL-R-6106
Notes: