AZ9731
40 AMP MINI-ISO
AUTOMOTIVE RELAY
FEATURES
•
•
•
•
•
•
•
Quick connect terminals
40 Amp contact rating
High operating temperature (125°C)
Epoxy sealed versions available
Plastic or steel mounting bracket available
Resistor or diode parallel to coil available
ISO/TS 16949, ISO14001
GENERAL DATA
CONTACTS
Arrangement
SPST (1 Form A)
SPDT (1 Form C)
SPST NO DM ( 1 Form U)
SPST (1 Form A2)
Resistive load:
Max. switched power: 630W
(SPST)
630W (N.O.)
473W (N.C.)
Max. switched current: 40A (SPST)
40A (N.O.)
30A (N.C.)
Max. switched voltage: 75VDC
Material
Resistance
Silver tin oxide
< 100 milliohms initially
(6V, 1A voltage drop method)
Life Expectancy
Mechanical
Electrical
Operate Time (max.)
Release Time (max.)
Minimum operations
1 x 10
7
1 x 10
5
at 40A, 14VDC Res.
7ms at nominal coil voltage
5ms at nominal coil voltage
Ratings
Dielectric Strength
500Vrms coil to contact
(at sea level for 1 min.)
500Vrms contact to contact
Insulation Resistance
Dropout
Ambient Temperature
Operating
Storage
Vibration
Shock
Enclosure
100 megohms min. at 500VDC, 20°C
50% RH
Greater than 15% of nominal coil voltage
-40°C (-40°F) to 125°C (257°F)
-55°C (-67°F) to 155°C (311°F)
0.062” DA at 10-40 Hz
15g
P.B.T. polyester
Tinned copper alloy
0.25 Quick Connect
Note: Allow suitable slack on leads when wiring, and do
not subject the terminals to excessive force.
COIL
Power
At Pickup Voltage
(typical)
Max. Continuous
Dissipation
Temperature Rise
Temperature
0.68W
4.8W at 20°C (68°F)
75°C (135°F) at nominal coil voltage (40A)
Max. 125°C (257°F)
Terminals
Weight
31 grams
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.
5/31/16
AZ9731
RELAY ORDERING DATA
COIL SPECIFICATIONS
Nominal Coil
VDC
6
12
24
Must Operate
VDC
3.9
7.8
15.6
Max. Continuous
VDC
7.8
15.6
31.2
Coil Resistance
Ohms
± 10%
22.5
90
360
RELAY ORDERING DATA
AZ9731-1C-12DC2 R1
Blank -Standard no diode, no resistor
R1 - 180 Ohm ½ watt resistor in parallel with 6V coil
680 Ohm ½ watt resistor in parallel with 12V coil
2700 Ohm ½ watt resistor in parallel with 24V coil
D1 - 1N4005 diode in parallel with coil, anode
on terminal #86
(see Fig 1)
D2 - 1N4005 diode in parallel with coil, cathode
on terminal #86
(see Fig 2)
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,with metal mounting
bracket, sealed
24D - 24 volt coil
12D - 12 volt coil
6D - 6 volt coil
1A -
1C -
1U -
1A2 -
SPNO Single pole normally open
SPDT Single pole double throw
SPST NO DM Single pole N.O. double make
SPNO Single pole normally open (2x)
Basic series designation - AZ9731
5/31/16
AZ9731
Fig 1
Fig 2
MECHANICAL DATA
Outline Dimensions
Version C1
.602
[15.30]
Ø.209
[Ø5.30]
0.547
[13.89]
0.122
[3.10]
.031
[0.80]
1.043MAX
[26.50]
0.098
[2.50]
0.236
[6.00]
Version C2
0.630
[16.00]
Ø0.217
[5.50]
0.354 0.748
[9.00] [19.00]
1.043MAX
[26.50]
0.031
[0.80]
0.098
[2.50]
Mounting Layout
4x.031
[0.80]
30
4x.248
[6.30]
85
.331
[8.40]
86
87
.705
[17.90]
0.965MAX
[24.50]
1.043MAX
[26.50]
0.965MAX
[24.50]
1.043MAX
[26.50]
.453MAX
[11.50]
.248
[6.30]
.181
[4.60]
.031
[0.80]
.453MAX
[11.50]
.181
[4.60]
0.248
[6.30] .224MAX
[5.70]
.661
[16.80]
FORM A
5x.031
[0.80]
30
5x.248
[6.30]
85
.331
[8.40]
87
.661
[16.80]
1 .3 9 8
[3 5 .5 ]
1 .8 3 1
[4 6 .5 ]
.224
[5.70]
Version C3
1.043MAX
[26.50]
1.043MAX
[26.50]
.3 5 4
[.9 0 0 ]
.6 5 0
[1 6 .6 ]
Version C4
2
.2 6 ]
5
[6 .6
.8 5 8
[2 1 .8 ]
87
86
0.965MAX
[24.50]
.181
[4.60]
.031
[0.80]
.228MAX
[5.80]
.705
[17.90]
.453MAX
[11.50]
.248
[6.30]
1 .7 9 M A X
[4 5 .5 ]
FORM 1A2
.7 7 6
[1 9 .7 ]
86(+)
Wiring Diagrams
87
30
86(+)
87a
85(-)
FORM C
30
87
1 .4 0
[3 5 .5 ]
5x.031
[0.80]
30 (86)
.0 7 1
[1 .8 ]
30
.7 8 7
[2 0 .0 ]
85(-)
FORM A
86(+)
87
87
86(+)
85(-)
5x.248
[6.30]
85
.331
[8.40]
.3 3 1
[8 .4 ]
5 x .4 5 3
[1 1 .5 ]
.2 7 2
[6 .9 ]
30
85
87A
86
87a(b)
86
(30)
87
.661
[16.80]
.7 0 5
[1 7 .9 ]
.705
[17.90]
87b
85(-)
87
87
30
.3 1 5
[8 .0 ]
.3 5 4
[9 .0 ]
5 x .2 4 8
[6 .3 ]
FORM 1A2
FORM U
5 x .0 3 2
[0 .8 ]
.1 7 3
[4 .4 ]
.6 6 5
[1 6 .9 ]
FORM C & U
Viewed Toward Terminals
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
5/31/16
AZ9731
Sockets & Hardware for AZ9731
ST9721-U1
.079
[2.0]
1.300
[33.0]
1.091
[27.7]
.236
[6.0]
.354
[9.0]
.472
[12.0]
.945
[24.0]
1.205
[30.6]
1.417
[36.0]
[1]
ST9721-U2
.245
[6.2]
.075
[1.9]
ST9721-U3
.945
[24.0]
.945
[24.0]
1.043
[26.5]
.626
[15.9]
.332
[8.4]
.200
[5.1]
.138
[3.5]
.059
[1.5]
.571
[14.5]
1.043
[26.5]
.664
[16.9]
.256
[6.5]
.256
[6.5]
2X TAB
Ø.083
[Ø2.1]
.075
[1.9]
.375
[9.5]
.705
[17.9]
.905
[23.0]
Ø.116
[Ø2.9]
.090
[2.3]
[1]
VIEWED TOWARDS TERMINALS
[1] Recommended receptical connector Amp Part numbers are 5-160558-9 or 5-1605-26-9
5/31/16
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