GENERAL DATA
Life Expectancy
Minimum operations
Mechanical
3 x 10
7
Electrical
1 x 10
5
at 8 A 240 VAC res.
Operate Time (typical)
7 ms at nominal coil voltage
Release Time (typical)
3 ms at nominal coil voltage
(with no coil suppression)
Dielectric Strength
5000 Vrms coil to contact
(at sea level for 1 min.) 2500 Vrms between contact sets
1000 Vrms between open contacts
Insulation
1000 megohms min. at 500 VDC,
Resistance
20C, 50% RH
Dropout
Greater than 10% of nominal coil voltage - DC
Greater than 15% of nominal coil voltage - AC
Ambient Temperature
At nominal coil voltage
Operating
-40C (-40F) to 90C (194F) - DC coils
-40C (-40F) to 75C (167F) - AC coils
Storage
-40C (-40F) to 115C (239F)
Vibration
0.062" DA at 1055 Hz
Shock
20 g
Enclosure
P.B.T. polyester, UL-94 : V0
Terminals
Tinned copper alloy, P.C.
Max. Solder Temp.
270C (518F)
Max. Solder Time
5 seconds
Max. Solvent Temp.
80C (176F)
Max. Immersion Time
30 seconds
Weight
14 grams
AZ
12/9/02W
AZ742
8 A DPDT MINIATURE
POWER RELAY
FEATURES
Dielectric strength 5000 Vrms
Low height: 15.7 mm
Epoxy sealed version available
8 Amp switching -- double pole contacts
AC and DC coils
Isolation spacing greater than 10 mm
Proof tracking index (PTI/CTI) 250
Surpasses requirements of VDE 0631/0700
UL, CUR file E43203; VDE 119918
CONTACTS
Arrangement
DPDT (2 Form C)
DPST (2 Form A)
Ratings
Resistive load:
Max. switched power: 240 W or 2000 VA
Max. switched current: 8 A
Max. switched voltage: 150* VDC or 400 VAC
*Note: If switching voltage is greater than 30 VDC,
special precautions must be taken. Please contact the
factory.
Rated Load
UL, CUR
8 A at 250 VAC resistive
VDE
8 A at 250 VAC
Material
Silver nickel or silver nickel gold plated
Resistance
< 100 milliohms initially
COIL
Power
At Pickup Voltage
200 mW (DC coil)
(typical)
.422 VA (AC coil)
Max. Continuous
1.7 W at 20C (68F) ambient
Dissipation
Temperature Rise
26C (47F) at nominal coil voltage
Max. Temperature
115C (239F)
NOTES
1. All values at 20C (68F).
2. Relay may pull in with less than "Must Operate" value.
3. Specifications subject to change without notice.
AZ
12/9/02W
AZ742
MECHANICAL DATA
[2.5]
.098
[5.0]
.197
[5.0]
.197
VIEWED TOWARDS TERMINALS
PC BOARD LAYOUT
.591
[15.0]
[5.0]
.197
.197
[5.0]
[15.0]
[15.7]
.618
[3.9]
.154
[0.9]
6X .035
8X .050
[1.3]
6X .020
[0.5]
.295
[7.5]
[2.5]
.098
.591
[12.7]
0.500
[7.5]
.295
[7.5]
.295
[29.0]
1.142
[0.6]
2X .024
WIRING DIAGRAMS
VIEWED TOWARDS TERMINALS
Max.
Max.
Max.
*
*
*
Not used on 2 Form A relay
2 Form C
2 Form A
.500
(12.7)
1.22
(30.9)
1.28
(32.5)
.177
(4.5)
MAX
.354
(9.0)
.366
(9.3)
.125 DIA
(0.5)
.197
(5.0)
.295
(7.5)
.590 (15)
.197
(5.0)
.059 DIA
(1.5)
.118
(3.0)
.414
(10.5)
HARDWARE
RETAINING CLIP
Viewed toward terminals
.661 [16.79]
1.385 [35.19]
.895 [22.73]
5
4
3
2
8
7
6
1
5
4
2
8
7
1
Dimensions in inches with metric equivalents in parentheses. Tolerance: .010"
RELAY ORDERING DATA
COIL SPECIFICATIONS - DC COIL
ORDER NUMBER*
Nominal Coil
Must Operate
Max. Continuous
Coil Resistance
2 Form A
2 Form C
VDC
VDC
VDC
Ohm, 10%
3
2.1
7.6
22
AZ7422A3D
AZ7422C3D
5
3.5
12.7
60
AZ7422A5D
AZ7422C5D
6
4.2
15.3
90
AZ7422A6D
AZ7422C6D
9
6.3
22.9
200
AZ7422A9D
AZ7422C9D
12
8.4
30.6
360
AZ7422A12D
AZ7422C12D
18
12.6
45.9
710
AZ7422A18D
AZ7422C18D
24
16.8
61.2
1,440
AZ7422A24D
AZ7422C24D
36
25.2
92.0
3,140
AZ7422A36D
AZ7422C36D
48
33.6
122.0
5,700
AZ7422A48D
AZ7422C48D
60
42.0
153.0
7,500
AZ7422A60D
AZ7422C60D
110
77.0
280.0
25,200
AZ7422A110D
AZ7422C110D
COIL SPECIFICATIONS - AC Coil
ORDER NUMBER*
Nominal Coil
Must Operate
Max. Continuous
Nominal Current
Coil Resistance
2 Form C
VAC
VAC
VAC
mA 10%
10%
24
18.0
36.0
31.3
400
AZ7422C24A
48
36.0
72.0
15.6
1550
AZ7422C48A
60
45.0
90.0
12.5
2600
AZ7422C60A
110
82.5
165.0
6.8
8900
AZ7422C110A
115
86.3
172.5
6.5
9600
AZ7422C115A
120
90.0
180.0
6.3
10200
AZ7422C120A
220
165.0
330.0
3.4
35500
AZ7422C220A
230
172.5
345.0
3.3
38500
AZ7422C230A
240
180.0
360.0
3.1
42500
AZ7422C240A
* Add suffix "E" for sealed version. "For gold plated contacts substitute "-2AG" for "-2A" or "-2CG" for "-2C".
HARDWARE
ORDERING
DATA
DESCRIPTION
Socket
ORDER NUMBER
ST484U1
DESCRIPTION
Retainer
ORDER NUMBER
ST4823
ST484-U1
ST482-3
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