GENERAL DATA
Life Expectancy
Mechanical
Electrical
Minimum operations
1 x 107
1 x 106 at 40A, 14VDC Res.
Operate Time (max.)
7ms at nominal coil voltage
Release Time (max.)
5ms at nominal coil voltage
Dielectric Strength
(at sea level for 1 min.)
500Vrms coil to contact
500Vrms contact to contact
Insulation Resistance
100 megohms min. at 500VDC, 20°C
50% RH
Dropout Greater than 10% of nominal coil voltage
Ambient Temperature
Operating -55°C (-67°F) to 110°C (230°F)
Storage -55°C (-67°F) to 155°C (311°F)
Vibration 0.062” DA at 10-40 Hz
Shock 100 m/s2
Enclosure P.B.T. polyester
Terminals Tinned copper alloy
0.25 Quick Connect
Note: Allow suitable slack on leads when wiring, and do
not subject the terminals to excessive force.
Weight
Approx. 35 grams
AZ973
2/02/16
40 AMP MINI-ISO
AUTOMOTIVE RELAY
FEATURES
•Quick connect terminals
•40 Amp contact rating
•High momentary carry current (60A)
•High operating temperature (110°C)
•SPST (1 Form A), SPDT (1 Form C)
•Epoxy sealed versions available
•Metal or plastic mounting bracket available
•Resistor or diode parallel to coil available
• ISO/TS 16949, ISO14000
CONTACTS
Arrangement SPST (1 Form A)
SPDT (1 Form C)
Ratings Resistive load:
Max. switched power: 560W (SPST)
560W (N.O.)
420W (N.C.)
Max. switched current: 40A (SPST)
40A (N.O.)
30A (N.C.)
Max. switched voltage: 75VDC
Material Silver tin oxide
Resistance
< 100 milliohms initially
(6V, 1A voltage drop method)
COIL
Power
At Pickup Voltage
0.68W
(typical)
Max. Continuous
5.1W at 20°C (68°F)
Dissipation
Temperature Rise 52°C (94°F) at nominal coil voltage
Temperature Max. 155°C (311°F)
NOTES
1. All values at 20°C (68°F).
2. Relay may pull in with less than “Must Operate” value.
3. Specifications subject to change without notice.
RELAY ORDERING DATA
AZ973
2/02/16
RELAY ORDERING DATA
COIL SPECIFICATIONS
Nominal Coil Must Operate Max. Continuous Coil Resistance
VDC VDC VDC ± 10%
6 3.9
10.1
22
12 7.8
20.2
85
24 15.6
40.5
350
AZ973-1C-12DC2R1
Blank - Standard no diode, no resistor
R1 - 680 Ohm, ½ w resistor in parallel with 12 V coil
2700 Ohm ½ w resistor in parallel with 24 V coil
R2 - 820 Ohm, ½ w resistor in parallel with 12 V coil
3200 Ohm ½ w resistor in parallel with 24 V coil
D1 - 1N4007 diode in parallel with coil, anode
on #86 terminal
D2 - 1N4007 diode in parallel with coil, cathode
on #86 terminal
D3 - 1N4004 diode in parallel with coil, anode
on #86 terminal
D4 - 1N4004 diode in parallel with coil, cathode
on #86 terminal
C1 - Plastic dust cover with steel mounting bracket
C1E - Plastic dust cover with steel mounting bracket,
sealed
C2 - Plastic dust cover with plastic mounting bracket
C2E - Plastic dust cover with plastic mounting bracket,
sealed
C3 - Plastic dust cover
C3E - Plastic dust cover, sealed
C4 - Plastic dust cover, shrouded, sealed, with metal
mounting bracket
24D - 24 volt coil
12D - 12 volt coil
6D - 6 volt coil
1A - SPNO Single pole normally open
1C - SPDT Single pole double throw
Basic series designation - AZ973
868585 86
8685
D2,D4D1,D3
R1,R2
WIRING DIAGRAMS
.039
(1.0)
(26.2)
1.032
.445
(11.3)
Version C2
Version C1
(12.0)
.472
.681
(17.3)
(16.5)
.650
.354
(9.0)
are typical for all other versions
Dimensions shown for Version C3
.665
Viewed Toward Terminals
(16.9)ø.228
(ø5.8)
(ø5.3)
ø.209
(2.0)
.079
.630
(16.0)
(11.5)
(6.3)
.248
.106
(8.4)
.331
(2.7)
.453
(26.2)
1.032
(26.2)
1.032
.032
.315
(0.8)
.705
(17.9)
Note:
(8.0)
Version C3
(23.7)
.933
87A
85
86
30
86
87
87
85
30
FORM C
FORM A
AZ973
2/02/16
MECHANICAL DATA
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
Connector for use with Version C4- Connectors to mate with AZ973 relay
with the version C4 cover are available from Delphi Connection Systems
(www.delphiconnect.com). (Typical Delphi part number is 12065685)
(46.5)
1.831
(35.5)
1.398
(35.5)
1.40
5 x .032
(0.8)
(6.3)
5 x .248
(11.5)
5 x .453
85
87
86
87A
30
(1.8)
.071
(20.0)
.787
(9.0)
.354
(4.4)
.173
(6.9)
.272
(17.9)
.705
.665
(16.9)
(8.4)
.331
(8.0)
.315
.650
(16.6)
.262
(6.65)
.858
(21.8)
.354
(0.900)
.776
(19.7)
1.79 MAX
(45.5)
Version C4
AZ973
2/02/16
.945
(24.0)
.090
(2.3)
.472
(12.0)
.945
(24.0)
1.205
(30.6)
(2.0)
.079
.905
1.091
(27.7)
1.300
(33.0)
(9.0)
.354
VIEWED TOWARDS TERMINALS
.236
(6.0)
ST9721-U3ST9721-U2
1.417
(36.0)
1.043
(26.5)
(23.0)
ST9721-U1
Ø
.
11
6
(Ø2.9)
.
2
00
(5.1)
1
.0
4
3
[26.5)
.94
5
(24.0)
.
24
5
(6.2)
.0
7
5
(1.9)
.059
(1.5)
.3
7
5
(9.5)
.
1
38
(3.5)
7
(14.5)
.664
(16.9)
.
7
05
(17.9)
.332
(8.4)
.
2
56
(6.5)
.6
2
6
(15.9)
.0
7
5
(1.9)
.
2
56
(6.5)
2X TA
B
Ø
.083
(Ø2.1)
Sockets & Hardware for AZ973
[1] Recommended receptical connector Amp Part numbers are 5-160558-9 or 5-1605-26-9
[1]
[1]