ABB DA drive contactors Technical data

Technical data

Type DA

Contactor DA75-21 DA75-21A

Main poles

N.O. Poles, Amps @ 500VDC A 60 60
240 VDC
500 VDC HP 30 30

Center pole

N.C. Pole, 160V Make Max. Amps 90 —
N.C. Pole, 160V Br
N.C. Pole, 300V Make Max. Amps — 90
N.C. Pole, 300V Break Max. Amps — 55

DC rating

Maximum thermal current A 60 60

Peak interrupting curr

Connectable wire size

Main poles with lugs 8 – 1 8 – 1
Auxiliary contacts, min/max

Main contacts (contactor life)

Mechanical endurance @ no load mil. 5 5
Electrical endurance, main poles
Frequency of operations per hour 600 600

Auxiliary contacts

NEMA rating A600 A600
AC rated voltage
AC thermal rated current A 10 10
AC maximum making VA 7200 7200
AC maximum breaking VA 720 720

NEMA rating P600 P600
DC rated voltage V 600 600
DC thermal rated current A 5 5
DC maximum make-break A 0.2 0.2

Min. breakdown AC RMS voltage
between live parts and ground V 2200 2200
Minimum permissable load, 17V A 0.005 0.005
Max. wire size on terminals @ 2/term 10 AWG 10 AWG

Max. operations per hour 600 600
Min. expected mechanical life mil. 10 10
Min. expected electrical life mil. 2 2

Coil operating data

AC power consumption
Inrush 60 Hz
Holding 60 Hz VA 20 20
Holding 60 Hz W 5.5 5.5

AC operating time (in milliseconds)
Closing time ms 20 – 25 20 – 15
Opening time ms 10 – 15 10 – 15

General data

Approximate weight lbs 2.4 2.4

Temperature limits

Maximum operating temperature °C 50 50
Minimum operating temperature °C -25 -25
Minimum storage temperature °C -40 -40
Maximum storage temperature °C 70 70
Min. breakdown AC RMS voltage V 2200 2200

Operating altitude

Maximum operating altitude feet 10,000 10,000

eak Max. Amps 55 —

ent A 90 90

V 600 600

VA 200 200

HP 15 15

18 – 10 18 – 10

mil. 1.5 1.5

Drive

contactors

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Low Voltage Products & Systems 1.111