AZETTLER AZ9721-1C-12DC3R1 40 amp automotive relay Datasheet

AZ
AZ9721
40 AMP
AUTOMOTIVE
RELAY
FEATURES
•
•
•
•
•
•
40 Amp contact rating
High momentary carry current (60A)
SPST (1 Form A), SPDT (1 Form C)
Quick connect terminals
Metal or plastic mounting bracket available
Resistor or diode parallel to coil available
CONTACTS
GENERAL DATA
Arrangement
SPST (1 Form A)
SPDT (1 Form C)
Ratings
Resistive load:
Max. switched power: 480 W (SPST)
480 W (N.O.)
360 W (N.C.)
Minimum operations
1 x 107
1 x 105 at rated load
Operate Time (typical)
10 ms at nominal coil voltage
Release Time (typical)
10 ms at nominal coil voltage
(with no coil suppression)
Max. switched current: 40 A (SPST)
40 A (N.O.)
30 A (N.C.)
Dielectric Strength
750 Vrms coil to contact
(at sea level for 1 min.) 750 Vrms contact to contact
Max. switched voltage: 75 VDC
Insulation Resistance
100 megohms min. at 500 VDC, 20°C
50% RH
Dropout
Greater than 10% of nominal coil voltage
Ambient Temperature
Operating
Storage
-55°C (-67°F) to 70°C (158°F)
-55°C (-67°F) to 155°C (311°F)
Vibration
0.062" DA at 20-200 Hz
Shock
20 g
Enclosure
P.B.T. polyester
Terminals
Copper alloy
0.25 Quick Connect
Weight
40 grams
Minimum Load
5 VDC, 0.1 A
Material
Silver alloy
Resistance
< 50 milliohms initially
(24 V, 1 A voltage drop method)
COIL
Power
At Pickup Voltage
(typical)
0.76 W
Max. Continuous
Dissipation
4.0 W at 20°C (68°F)
Temperature Rise
63°C (113°F) at nominal coil voltage
Temperature
Life Expectancy
Mechanical
Electrical
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.
9/3/98W
AZ
AZ9721
COIL SPECIFICATIONS
Nominal Coil
VDC
12
24
Must Operate
VDC
7.8
17.0
Max. Continuous
VDC
17.8
36.0
Coil Resistance
± 10%
80
320
RELAY ORDERING DATA
AZ9721-1C-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 paralle 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 #85 terminal
D2 - 1N4007 diode in parallel with coil, cathode
on #85 terminal
D3 - 1N4004 diode in parallel with coil, anode
on #85 terminal
D4 - 1N4004 diode in parallel with coil, cathode
on #85 terminal
C1 - Plastic dust cover with steel mounting bracket
C2 - Plastic dust cover with plastic mounting bracket
C3 - Plastic dust cover
24D - 24 volt coil
12D - 12 volt coil
1A - SPNO Single pole normally open
1C - SPDT Single pole double throw
Basic series designation - AZ9721
9/3/98W
AZ
AZ9721
MECHANICAL DATA
AZ9721-C1
AZ9721-C2
ø.217
[ø5.5]
ø.217
[ø5.5]
.394
[10.0]
.394
[10.0]
.984
[25.0]
.984
[25.0]
5x.433
[11.0]
5x.433
[11.0]
5x.031
[0.8]
5x .031
[0.8]
5x.248
[6.3]
5x.177
[4.5]
.165
[4.2]
5x.177
[4.5]
5x.248
[6.3]
.150
[3.8]
.378
[9.6]
.378
[9.6]
1.102
[28.0]
1.102
[28.0]
.346
[8.8]
.346
[8.8]
.661
[16.8]
.661
[16.8]
1.102
[28.0]
1.102
[28.0]
Wiring Diagram
AZ9721-C3
.984
[25.0]
85
86
85
85
86
86
5x.433
[11.0]
R1,R2
5x.177
[4.5]
D2,D4
5x.031
[0.8]
30
.098
[2.5]
85
.378
[9.6]
D1,D3
5x.248
[6.3]
30
86
87A
86
85
1.102
[28.0]
87
.346
[8.8]
1C
87
1A
.661
[16.8]
1.102
[28.0]
9/3/98W
AZ9721
Sockets & Hardware for AZ9721
ST9721-U1
.079
[2.0]
1.300
[33.0]
1.091
[27.7]
.236
[6.0]
.472
[12.0]
.354
[9.0]
.945
[24.0]
1.417
[36.0]
1.205
[30.6]
ST9721-U2
ST9721-U3
.245
[6.2]
.075
[1.9]
.945
[24.0]
.945
[24.0]
.059
[1.5]
1.043
[26.5]
1.043
[26.5]
.571
[14.5]
.200
[5.1]
.138
[3.5]
.345
[8.8]
.659
[16.7]
.905
[23.0]
5x ø.116
[ø2.9]
.375
[9.5]
.692
[17.6]
.090
[2.3]
PCB LAYOUT
VIEWED TOWARDS TERMINALS
Note: Recommended receptical connector Amp Part numbers are 5-160558-9 or 5-1605-26-9
9/3/98W
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