A-770 Datasheet, PDF (1/5 Pages) Tyco Electronics – A-770 SPST N.O., 300 Amps, 28 VDC

HARTMAN Power Switching DC Contactors
A-770 and AR-770 Series, Rated up to 300 Amps, 28 Vdc
Product Facts
n SPST NO, Double Break
n Gasket Sealed
n Auxiliary contacts available
n Meets many requirements
of MIL-PRF-6106
Performance Data
Electrical Characteristics
Contact Arrangement —
SPST NO, Double Break
Rated Operating Voltage —
28 Vdc
Resistive Rating — 300 Amps
Motor Load — 300 Amps
Rupture Rating — 3,000 Amps
General Characteristics
Temperature Range —
-55°C to +71°C
Operating Cycles (Life) at Rated
Resistive Load, Min. — 50,000
cycles
Operating Cycles (Life)
Mechanical, Min. — 100,000 cycles
Dielectric Strength —
All Circuits to Ground — 1,250 Vrms
Circuit to Circuit — 1,250 Vrms
Coil to Ground and Aux. Contacts —
1,000 Vrms
Altitude Max. — 50,000 ft.
Weight — 2.00 lbs
Coil Characteristics
Duty Cycle —
DC Continuous or Intermittent or
Continuous or Intermittent with
suppression
Operating Voltage, Nom. —
28 Vdc
Pickup Voltage @ 25°C, Max. —
16 Vdc
Dropout Voltage @ 25°C —
1.5 to 5 Vdc
Coil Current, Max., Holding —
Coil Type A — 0.4 Amp
Coil Type B — 0.625 Amp
6
For factory-direct application
assistance, phone [phone] or
fax [phone].
Catalog 5-1773450-5
Revised 3-13
www.te.com
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
Dimensions are in millimeters USA: [phone]
unless otherwise specified. Asia Pacific: [phone]
UK: [phone]
For additional support numbers
please visit www.te.com
6–85