40 AMP MINI-ISO AUTOMOTIVE RELAY
AZ974
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
GENERAL DATA
Arrangement
SPST (1 Form A)
SPDT (1 Form C)
Life Expectancy
Mechanical
Electrical
Minimum operations
1 x 107
1 x 105 at 40 A 14 VDC Res.
Ratings
Resistive load:
Max. switched power: 560 W (SPST)
560 W (N.O.)
420 W (N.C.)
Operate Time (max.)
10 ms at nominal coil voltage
Release Time (max.)
10 ms at nominal coil voltage
Max. switched current: 40 A (SPST)
40 A (N.O.)
30 A (N.C.)
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
Max. switched voltage: 75 VDC
Material
Silver tin oxide
Dropout
Greater than 10% of nominal coil voltage
Resistance
< 100 milliohms initially
(6V, 1 A voltage drop method)
Ambient Temperature
Operating
Storage
-55°C (-67°F) to 125°C (257°F)
-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)
COIL
Power
At Pickup Voltage
(typical)
0.68 W
Max. Continuous
Dissipation
4.8 W at 20°C (68°F)
Max. Solder Time
5 seconds
Temperature Rise
75°C (113°F) at nominal coil voltage
Max Solvent Temp.
80°C (176°F)
Max. 200°C (392°F)
Max Immersion Time
30 secomds
Weight
31 grams
Temperature
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.
12/12/12
AZ974
RELAY ORDERING DATA
COIL SPECIFICATIONS
ORDER NUMBER*
Nominal Coil
Must Operate
Max. Continuous
Coil Resistance
VDC
VDC
VDC
± 10%
6
3.9
10.1
22
12
7.8
20.2
85
24
15.6
40.5
350
*Add suffix “E” for epoxy sealed version. Add suffix “R” for resistor across coil (6V=180 ohms, 12V=680
diode across coil (anode on #86) or suffix D2 for diode across coil (anode on #85).
SPST
AZ974–1A–6D
AZ974–1A–12D
AZ974–1A–24D
ohms, 24V=2700 ohms).
SPDT
AZ974–1C–6D
AZ974–1C–12D
AZ974–1C–24D
Add suffix D1 for
MECHANICAL DATA
Terminal Distance
87
.330
[8.4]
.945 Max
[24.0]
.126
[3.2]
.080
[2.1]
.705
[17.9]
86
.080
[2]
.032
[.81]
85
87
.330
[8.4]
86
.080
[2]
30
87A
.705
[17.9]
30
.333
[8.45]
.665
[16.9]
.098
[2.5]
.315
[8]
85
.333
[8.45]
.665
[16.9]
1A
1C
1.041 Max
[26.45]
Wiring Diagrams
Bottom view
87
87
85
87
85
86
85
86
86
87A
87A
30
30
30
1C
1A
VDC
Limiting Curve for Power Load
Switching Current (Amps)
MAXIMUM ALLOWABLE AMBIENT TEMPERATURE (°)
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
Ambient Termperature VS
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)
12/12/12
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