GENERAL DATA
Life Expectancy Minimum operations
Mechanical 1 x 107
Electrical 1 x 105at 40 A 14 VDC Res.
Operate Time (max.) 7 ms at nominal coil voltage
Release Time (max.) 5 ms at nominal coil voltage
Dielectric Strength 500 Vrms coil to contact
(at sea level for 1 min.) 500 Vrms contact to contact
Insulation Resistance 100 megohms min. at 500 VDC, 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 31 grams
AZ973
11/14/05W
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
• Tested in accordance with SAE J2544
CONTACTS
Arrangement SPST (1 Form A)
SPDT (1 Form C)
Ratings Resistive load:
Max. switched power: 560 W (SPST)
560 W (N.O.)
420 W (N.C.)
Max. switched current: 40 A (SPST)
40 A (N.O.)
30 A (N.C.)
Max. switched voltage: 75 VDC
Material Silver tin oxide
Resistance < 100 milliohms initially
(6 V, 1 A voltage drop method)
COIL
Power
At Pickup Voltage 0.68 W
(typical)
Max. Continuous 5.1 W 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
11/14/05W
RELAY ORDERING DATA
COIL SPECIFICATIONS
Nominal Coil Must Operate Max. Continuous Coil Resistance
VDC VDC VDC ± 10%
6 3.9 10.6 22
12 7.8 21.0 85
24 15.6 42.2 350
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
11/14/05W
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
[.900]
.776
[19.7]
1.79 MAX
[45.5]
Version C4
AZ973
11/14/05W
.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
[
Ø
2.9
]
.
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
]
.5
7
1
[
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
[
Ø
2
.1
]
Sockets & Hardware for AZ973
[1] Recommended receptical connector Amp Part numbers are 5-160558-9 or 5-1605-26-9
[1]
[1]
