AZ9731
40 AMP MINI-ISO
AUTOMOTIVE RELAY
FEATURES
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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
Tested in accordance with SAE J2544
GENERAL DATA
CONTACTS
Arrangement
SPST (1 Form A)
SPDT (1 Form C)
SPST NO DM ( 1 Form U)
Resistive load:
Max. switched power: 630 W (SPST)
630 W (N.O.)
473 W (N.C.)
Max. switched current: 40 A (SPST)
40 A (N.O.)
30 A (N.C.)
Max. switched voltage: 75 VDC
Material
Resistance
Silver tin oxide
< 100 milliohms initially
(6 V, 1 A voltage drop method)
Ambient Temperature
Operating
Storage
Vibration
Shock
Enclosure
0.68 W
4.8 W at 20°C (68°F)
75°C (135°F) at nominal coil voltage (40A)
Max. 125°C (257°F)
Weight
Terminals
-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
15 grams
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.
Life Expectancy
Mechanical
Electrical
Operate Time (max.)
Release Time (max.)
Minimum operations
1 x 10
7
1 x 10
5
at 40 A 14 VDC Res.
7 ms at nominal coil voltage
5 ms at nominal coil voltage
Ratings
Dielectric Strength
500 Vrms coil to contact
(at sea level for 1 min.)
500 Vrms contact to contact
Insulation Resistance
Dropout
100 megohms min. at 500 VDC, 20°C
50% RH
Greater than 15% of nominal coil voltage
COIL
Power
At Pickup Voltage
(typical)
Max. Continuous
Dissipation
Temperature Rise
Temperature
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.
3/10/09
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
± 10%
22.5
90
360
RELAY ORDERING DATA
AZ9731-1C-12DC2 R1
Blank - Standard no diode, no resistor
R1 - 180 Ohm ½ w resistor in parallel with 6 V coil
680 Ohm ½ w resistor in parallel with 12 V coil
2700 Ohm ½ w resistor in parallel with 24 V coil
D2 - 1N4005 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,with metal
mounting bracket, sealed
24D - 24 volt coil
12D - 12 volt coil
6D - 6 volt coil
1A -
1C -
1U -
SPNO Single pole normally open
SPDT Single pole double throw
SPST NO DM Single pole normally open double
make
Basic series designation - AZ9731
3/10/09