GENERAL DATA
Life Expectancy Minimum operations
Mechanical 1 x 107
Electrical 1 x 105at 40 A 14 VDC Res.
Operate Time (max.) 10 ms at nominal coil voltage
Release Time (max.) 10 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 125°C (257°F)
Storage -55°C (-67°F) to 200°C (392°F)
Vibration 0.062" DA at 10-40 Hz
Shock 10 g
Enclosure P.B.T. polyester
Terminals Tinned copper alloy, P.C.
Max. Solder Temp. 270°C (518°F)
Max. Solder Time 5 seconds
Max Solvent Temp. 80°C (176°F)
Max Immersion Time 30 secomds
Weight 31 grams
AZ974
12/12/12
40 AMP MINI-ISO
AUTOMOTIVE RELAY
FEATURES
•PCB terminals
•40 Amp contact rating
•High carry current (60A)
•High momentary surge current (120A)
•High operating temperature (125°C)
•Resistor or diode parallel to coil available
•Epoxy sealed versions available
•SPST (1 Form A), SPDT (1 Form C)
•ISO/TS 16949, ISO9001, ISO14000
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
(6V, 1 A voltage drop method)
COIL
Power
At Pickup Voltage 0.68 W
(typical)
Max. Continuous 4.8 W at 20°C (68°F)
Dissipation
Temperature Rise 75°C (113°F) at nominal coil voltage
Temperature Max. 200°C (392°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.
AZ974
12/12/12
RELAY ORDERING DATA
COIL SPECIFICATIONS ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Resistance SPST SPDT
VDC VDC VDC ± 10%
6 3.9 10.1 22 AZ974–1A–6D AZ974–1C–6D
12 7.8 20.2 85 AZ974–1A–12D AZ974–1C–12D
24 15.6 40.5 350 AZ974–1A–24D AZ974–1C–24D
*Add suffix “E” for epoxy sealed version. Add suffix “R” for resistor across coil (6V=180 ohms, 12V=680 ohms, 24V=2700 ohms). Add suffix D1 for
diode across coil (anode on #86) or suffix D2 for diode across coil (anode on #85).
MECHANICAL DATA
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
Limiting Curve for Power LoadAmbient Termperature VS
MAXIMUM ALLOWABLE AMBIENT TEMPERATURE (°)
VDC
0 Amp Contact Load
7 Amp Contact Load
15 Amp Contact Load
20 Amp Contact Load
30 Amp Contact Load
40 Amp Contact Load
Applied Coil Voltage (% of Rated Nominal)Switching Current (Amps)
Terminal Distance
8785
Bottom view
86
1A
86
30
87A
85
30
Wiring Diagrams
87A
30
30
1C
8686
87A
30
1A
86
1C
8785
87
8585
87
.945 Max
[24.0]
1.041 Max
[26.45]
.126
[3.2]
.098
[2.5]
.080
[2.1]
87
.665
[16.9]
.330
[8.4] .705
[17.9]
.665
[16.9]
.705
[17.9]
.330
[8.4]
.315
[8]
.080
[2] .080
[2]
.333
[8.45]
.333
[8.45]
.032
[.81]
