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		HP		15	15
500 VDC		HP		30	30
Center pole
N.C. Pole, 160V Make	Max. Amps			90	—
N.C. Pole, 160V Break	Max. Amps			55	—
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 current		A		90	90
Connectable wire size
Main poles with lugs				8 – 1	8 – 1
Auxiliary contacts, min/max				18 – 10	18 – 10
Main contacts (contactor life)
Mechanical endurance @ no load		mil.		5	5
Electrical endurance, main poles		mil.		1.5	1.5
Frequency of operations	per hour			600	600
Auxiliary contacts
NEMA rating				A600	A600
AC rated voltage		V		600	600
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		VA		200	200
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

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