NOTES
1. Other coil resistances and sensitivities are available upon request.
2. All values at 20°C (68°F).
3. Bifurcated crossbar, fine silver/gold plated contacts are recommended
for dry circuit switching.
4. Epoxy sealed versions for automatic wave soldering and cleaning are
available.
5. Specifications subject to change without notice.
AZ420
7/23/09
CONTACTS
Arrangement DPDT (2 Form C)
4PDT (4 Form C)
6PDT (6 Form C)
Ratings See contact data table under relay ordering data
UL Rating: See table for UL approved contact
ratings
Material See contact data table under relay ordering data
Resistance < 50 milliohms initially
COIL
Power
At Pickup Voltage Standard: 450 mW, 2 or 4 pole
(typical) Sensitive: 80 mW, 2 pole
180 mW, 4 pole
(25 mW per pole available)
Max. Continuous 2.6 W at 20°C (68°F) ambient
Dissipation 2.0 W at 40°C (105°F) ambient
Temperature Rise
Standard 23°C (41°F) at nominal coil voltage,2 or 4 pole
40°C (72°F) at nominal coil voltage, 6 pole
Sensitive 5°C (9°F) at nominal coil voltage, 2 pole
10°C (18°F) at nominal coil voltage, 4 pole
Temperature Max. 105°C (221°F)
GENERAL DATA
Life Expectancy Minimum operations
Mechanical 500 million
Electrical See typical contact life expectancy table
Operate Time See typical operate and release time
diagram
Release Time See typical operate and release time
diagram
Capacitance (typical) Contact to contact: 2 pF
Contact to coil: 2 pF
Contact to frame: 30 pF
Bounce (typical) At 10 mA contact current
3 ms at nominal coil voltage
Dielectric Strength 1500 Vrms contact to coil
(at sea level) 1000 Vrms all other points
Insulation 1000 megohms min. at 25°C
Resistance 500 VDC 50% RH
Dropout Greater than 5% of nominal coil voltage
Ambient Temperature At nominal coil voltage
Operating 2 and 4 pole type:
Standard -55°C (-67°F) to 80°C (176°F)
6 pole type:
-55°C (-67°F) to 65°C (149°F)
Sensitive -55°C (-67°F) to 95°C (203°F)
Storage -55°C (-67°F) to 105°C (220°F)
Vibration 0.062" DA at 5–55 Hz
Shock 20 g
Enclosure Polycarbonate
Terminals Plug-in: gold or tin plated copper alloy
PC: tin plated copper alloy
Max. Solder Temp. 270°C (518°F)
Max. Solder Time 5 seconds
Max. Solvent Temp. 80°C (176°F)
Max. Immersion Time 30 Seconds
Weight 23 to 35 grams
MINIATURE GENERAL
PURPOSE RELAY
FEATURES
•Rugged construction for high reliability
•Life expectancy greater than 100 million operations
•DC coils to 115 V
•Power consumption as low as 25 mW per pole available
•Current sensitive and voltage sensitive coils available
•Round core and large coil volume provide greater pull force
•Up to 6 poles in less than one cubic inch
•Dry circuit to 5 Amp contacts
•Printed circuit or solder/plug-in terminals
•Balanced spring-held armature allows dependable
operation in any position
•Sealed version available (2 and 4 pole)
•UL, CUR file E43203
AZ420
7/23/09
C. SENSITIVE DC CURRENT VERSION (Pickup 85 mW)
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Unsealed Sealed
Coil Continuous Resistance Operate Plug-in/Solder
VDC VDC ± 10% (mA) Terminals PC Terminals PC Terminals
12 44 1,000 8.5 AZ420–C07–*– AZ428–C07–*– AZ2428–C07–*–
18 70 2,500 5.4 AZ420–C56–*– AZ428–C56–*– AZ2428–C56–*–
29 102 5,000 4.1 AZ420–C045–*– AZ428–C045–*– AZ2428–C045–*–
44 144 10,000 3.1 AZ420–C408–*– AZ428–C408–*– AZ2428–C408–*–
51 170 15,000 2.4 AZ420–C035–*– AZ428–C035–*– AZ2428–C035–*–
B. SENSITIVE DC VOLTAGE VERSION (Pickup 100 mW)
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Unsealed Sealed
Coil Continuous Resistance Operate Plug-in/Solder
VDC VDC ± 10% VDC Terminals PC Terminals PC Terminals
3 10 50 2.25 AZ420–V15–*– AZ428–V15–*– AZ2428–V15–*–
6 20 200 4.5 AZ420–V10–*– AZ428–V10–*– AZ2428–V10–*–
12 41 800 9.0 AZ420–V70–*– AZ428–V70–*– AZ2428–V70–*–
24 81 3,200 18.0 AZ420–V50–*– AZ428–V50–*– AZ2428–V50–*–
48 104 13,000 36.0 AZ420–V04–*– AZ428–V04–*– AZ2428–V04–*–
RELAY ORDERING DATA — TWO POLE
STANDARD DC VOLTAGE VERSION
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Unsealed Sealed
Coil Continuous Resistance Operate Plug-in/Solder
VDC VDC ± 10% VDC Terminals PC Terminals PC Terminals
3 5 14 2.25 AZ420–21–*– AZ428–21–*– AZ2428–21–*–
6 10 52 4.5 AZ420–15–*– AZ428–15–*– AZ2428–15–*–
12 19 185 9.0 AZ420–1011–*– AZ428–1011–*– AZ2428–1011–*–
18 29 430 13.0 AZ420–80–*– AZ428–80–*– AZ2428–80–*–
20 34 600 16.0 AZ420–08–*– AZ428–08–*– AZ2428–08–*–
24 37 700 18.0 AZ420–70–*– AZ428–70–*– AZ2428–70–*–
26 44 1,000 21.0 AZ420–07–*– AZ428–07–*– AZ2428–07–*–
48 70 2,500 36.0 AZ420–56–*– AZ428–56–*– AZ2428–56–*–
72 105 5,800 54.0 AZ420–40–*– AZ428–40–*– AZ2428–40–*–
115 170 15,000 86.0 AZ420–035–*– AZ428–035–*– AZ2428–035–*– *ORDERING
PROCEDURE:
To specify an AZ 420 series
relay, combine the basic part
number found in the Order
Number section with a
contact code found in the
Contact Data Table.
EXAMPLE:
AZ420–21–40LUS:
A. Basic number: AZ420–21–
indicates two pole, plug-in/
solder terminals, standard
coil, 3 VDC, 14 ohms.
B. Contact code: 40LUS
indicates bifurcated crossbar
fine silver/gold plated
contacts, Form C, UL and
CUR approved.
40LUS
Bifurcated Max. Power:
crossbar 56 W or
contact 230 VA
Fine silver/ Max. current: Dry circuit
gold plated 2 Amps to 2 Amps
Max. voltage:
150† VDC or
300 VAC
4LUS
Single Max. power
crossbar 100 W or
contact 350 VA
Moveable: Max. current 1 mA to
fine silver/ 2 Amps 2 Amps
gold plated
Max. voltage
150† VDC or
300 VAC
4HUS
Single Max. power
crossbar 225 W or
contact 870 VA
Max. current: 100 mA to
Moveable: 5 Amps 5 Amps
silver cad-
mium Max. voltage:
oxide/gold 150† VDC or
plated 300 VAC
CONTACT DATA TABLE
Contact Maximum Switching
Material Switched Range at 28
Load VDC or 115
VAC (Typical)
Contact Maximum Switching
Material Switched Range at 28
Load VDC or 115
VAC (Typical)
Contact Maximum Switching
Material Switched Range at 28
Load VDC or 115
VAC (Typical)
† If switching voltage is greater than 30 VDC, special precautions must be taken. Contact the factory.
AZ420
7/23/09
C. SENSITIVE DC CURRENT VERSION (Pickup 85 mW)
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Unsealed Sealed
Coil Continuous Resistance Operate Plug-in/Solder
VDC VDC ± 10% (mA) Terminals PC Terminals PC Terminals
19 44 1,000 13.0 AZ421–C07–*— AZ429–C07–*— AZ2429–C07–*—
30 70 2,500 8.3 AZ421–C56–*— AZ429–C56–*— AZ2429–C56–*—
44 102 5,000 6.2 AZ421–C045–*— AZ429–C045–*— AZ2429–C045–*—
64 144 10,000 4.5 AZ421–C408–*— AZ429–C408–*— AZ2429–C408–*—
75 170 15,000 3.5 AZ421–C035–*— AZ429–C035–*— AZ2429–C035–*—
B. SENSITIVE DC VOLTAGE VERSION (Pickup 180 mW)
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Unsealed Sealed
Coil Continuous Resistance Operate Plug-in/Solder
VDC VDC ± 10% VDC Terminals PC Terminals PC Terminals
3 8 30 2.25 AZ421–V18–*— AZ429–V18–*— AZ2429–V18–*—
6 15 110 4.5 AZ421–V12–*— AZ429–V12–*— AZ2429–V12–*—
12 30 450 9.0 AZ421–V80–*— AZ429–V80–*— AZ2429–V80–*—
24 61 1,800 18.0 AZ421–V05–*— AZ429–V05–*— AZ2429–V05–*—
48 124 7,500 36.0 AZ421–V04–*— AZ429–V04–*— AZ2429–V04–*—
RELAY ORDERING DATA — FOUR POLE
A. STANDARD DC VOLTAGE VERSION
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Unsealed Sealed
Coil Continuous Resistance Operate Plug-in/Solder
VDC VDC ± 10% VDC Terminals PC Terminals PC Terminals
3 5 14 2.25 AZ421–21–*— AZ429–21–*— AZ2429–21–*—
6 10 52 4.5 AZ421–15–*— AZ429–15–*— AZ2429–15–*—
12 19 185 9.0 AZ421–1011–*— AZ429–1011–*— AZ2429–1011–*—
18 29 430 13.0 AZ421–80–*— AZ429–80–*— AZ2429–80–*—
20 34 600 16.0 AZ421–08–*— AZ429–08–*— AZ2429–08–*—
24 37 700 18.0 AZ421–70–*— AZ429–70–*— AZ2429–70–*—
26 44 1,000 21.0 AZ421–07–*— AZ429–07–*— AZ2429–07–*—
48 70 2,500 36.0 AZ421–56–*— AZ429–56–*— AZ2429–56–*—
72 105 5,800 54.0 AZ421–40–*— AZ429–40–*— AZ2429–40–*—
115 170 15,000 86.0 AZ421–035–*— AZ429–035–*— AZ2429–035–*—
*ORDERING
PROCEDURE:
To specify an AZ 421 series
relay, combine the basic part
number found in the Order
Number section with a con-
tact code found in the Contact
Data Table.
EXAMPLE:
AZ421–21–10LUS:
A. Basic number: AZ421–21–
indicates four pole, plugin/
solder terminals, standard
coil, 3 VDC, 14 ohms.
B. Contact code: 10LUS
indicates bifurcated crossbar
fine silver/gold plated
contacts, Form C, UL and
CUR approved.
† If switching voltage is greater than 30 VDC, special precautions must be taken. Contact the factory.
10LUS
Bifurcated Max. Power:
crossbar 56 W or
contact 230 VA
Fine silver/ Max. current: Dry circuit
gold plated 2 Amps to 2 Amps
Max. voltage:
150† VDC or
300 VAC
1LUS
Single Max. power
crossbar 100 W or
contact 350 VA
Moveable: Max. current 1 mA to
fine silver/ 2 Amps 2 Amps
gold plated
Max. voltage
150† VDC or
300 VAC
1HUS
Single Max. power
crossbar 225 W or
contact 870 VA
Max. current: 100 mA to
Moveable: 5 Amps 5 Amps
silver cad-
mium Max. voltage:
oxide/gold 150† VDC or
plated 300 VAC
CONTACT DATA TABLE
Contact Maximum Switching
Material Switched Range at 28
Load VDC or 115
VAC (Typical)
Contact Maximum Switching
Material Switched Range at 28
Load VDC or 115
VAC (Typical)
Contact Maximum Switching
Material Switched Range at 28
Load VDC or 115
VAC (Typical)
AZ420
7/23/09
B. SENSITIVE DC VOLTAGE VERSION (Pickup 250 mW)
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Plug-in/
Coil Continuous Resistance Operate Solder PC Terminals
VDC VDC ± 10% VDC Terminals
3 6 20 2.25 AZ431–V19–*— AZ439–V19–*—
6 13 80 4.5 AZ431–V13–*— AZ439–V13–*—
12 26 320 9.0 AZ431–V09–*— AZ439–V09–*—
24 50 1,200 18.0 AZ431–V60–*— AZ439–V60–*—
48 68 5,200 36.0 AZ431–V045–*— AZ439–V045–*—
RELAY ORDERING DATA — SIX POLE
A. STANDARD DC COIL VOLTAGE VERSION
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Plug-in/
Coil Continuous Resistance Operate Solder PC Terminals
VDC VDC ± 10% VDC Terminals
3 4.5 11 2.25 AZ431–22–*— AZ439–22–*—
6 7 25 4.5 AZ431–18–*— AZ439–18–*—
12 14 90 9.0 AZ431–13–*— AZ439–13–*—
18 22 230 13.0 AZ431–10–*— AZ439–10–*—
20 26 360 16.0 AZ431–09–*— AZ439–09–*—
24 29 430 18.0 AZ431–80–*— AZ439–80–*—
26 34 600 21.0 AZ431–08–*— AZ439–08–*—
48 59 1,800 36.0 AZ431–06–*— AZ439–06–*—
72 83 3,600 54.0 AZ431–05–*— AZ439–05–*—
115 130 9,000 86.0 AZ431–04–*— AZ439–04–*—
C. SENSITIVE DC CURRENT VERSION (Pickup 250 mW)
COIL SPECIFICATIONS ORDER NUMBER
Nominal Max. Coil Must Plug-in/
Coil Continuous Resistance Operate Solder PC Terminals
VDC VDC ± 10% (mA) Terminals
23 44 1,000 16.0 AZ431–C07–*— AZ439–C07–*—
36 70 2,500 10.0 AZ431–C56–*— AZ439–C56–*—
51 102 5,000 7.2 AZ431–C045–*— AZ439–C045–*—
71 144 10,000 5.0 AZ431–C408–*— AZ439–C408–*—
90 170 15,000 4.2 AZ431–C035–*— AZ439–C035–*— * Contact for Standard DC Voltage version only
(Table A).
** Contact code for Sensitive DC Voltage version only
(Table B) and sensitive DC current version.
† If switching voltage is greater than 30 VDC, special
precautions must be taken. Contact the factory.
Contact Maximum Switching
Material Switched Range at 28
Load VDC or 115
VAC
(Typical)
10LUS
Bifurcated Max. Power:
crossbar contact 56 W or 230 VA
Fine silver/ Max. current: Dry circuit
gold plated 2 Amps to 2 Amps
Max. voltage: 150†
VDC or 300 VAC
1LUS *
Single Max. power:
crossbar contact 100 W or 350 VA
Moveable: Max. current: 1 mA to
fine silver/ 2 Amps 2 Amps
gold plated
Max. voltage: 150†
VDC or 300 VAC
1LUS **
Single contact Max. power:
button 56 W or 230 VA
Fine silver/ Max. current: Low level
gold plated 2 Amps to 2 Amps
Max. voltage: 150†
VDC or 300 VAC
1HUS *
Single Max. power:
crossbar contact 225 W or 870 VA
Moveable: Max. current: 100 mA to
silver cadmium 5 Amps 5 Amps
oxide/gold Max. voltage: 150†
plated VDC or 300 VAC
1HUS **
Single contact Max. power:
button 140 W or 575 VA
Silver cadmium Max. current: 100 mA to
oxide 5 Amps 5 Amps
Max. voltage: 150†
VDC or 300 VAC
CONTACT DATA TABLE
*ORDERING PROCEDURE:
To specify an AZ 431 series relay, combine the basic
part number found in the Order Number section with a
contact code found in the Contact Data Table.
EXAMPLE: AZ431–22–10LUS:
A. Basic number: AZ431–22– indicates six pole, plug-
in/ solder terminals, standard coil, 3 VDC, 11 ohms.
B. Contact code: 10LUS indicates bifurcated crossbar
fine silver/gold plated contacts, Form C, UL and CUR
approved.
TYPICAL CONTACT LIFE EXPECTANCY WHILE SWITCHING RESISTIVE LOADS
NUMBER OF OPERATIONS
CONTACT CURRENT VOLTAGE STANDARD SENSITIVE
CODE COIL COIL
ADJUSTMENT ADJUSTMENT
1 MA .1 VDC 1 X 1081 X 108
—LUS 10 MA 6 VDC 1 X 1081 X 108
2 A 28 VDC 6 X 1055 X 105
2 A 115 VAC 6 X 1055 X 105
5 A 28 VDC 1 X 1051 X 104
—HUS 5 A 115 VDC 1 X 1051 X 104
NOTE: Relays operate at nominal coil voltage or 1.33 x must operate value for sensitive versions.
AZ420
7/23/09
UL APPROVED CONTACT RATINGS
CONTACT CODE UL RATINGS
40LUS, 10LUS 2 Amps at 26 VDC and 115 VAC
4LUS, 1LUS 2 Amps at 28 VDC and 115 VAC
4HUS, 1HUS 5 Amps at 28 VDC and 115 VAC
TYPICAL OPERATE AND RELEASE TIME
(STANDARD DC VOLTAGE VERSION)
NOTES: 1. Coils not diode suppressed
2. Switched battery voltage source
25
20
15
10
5
0
5
4
3
2
1
0 1.5 2 2.5 3 3.5
RELEASE TIME (MILLISECONDS)
OPERATE TIME (MILLISECONDS)
MUTIPLE OF MUST OPERATE VOLTAGE
AZ420
7/23/09
MECHANICAL DATA
.940 Max 2 Pole
(24)
1.172 Max 4 Pole
(30)
1.395 Max 6 Pole
(36)
.416
(10.6)
.354
(9)
NIB .091 DIA x .030 High
(2.3) (0.8)
.197
(5)
.735 Max
(18.7)
1.187 Max
(30)
.098
(2.5)
3-48 NC 2A
.177
(4.5)
2 Holes
.040 DIA
(1)
.940 Max 2 Pole
(24)
1.172 Max 4 Pole
(30)
1.395 Max 6 Pole
(36)
.735 Max
(18.7)
.043 ± .002
(1.1 ± 0.05)
1.230 Max
(31)
.040
(1)
.134
(3.4)
SOLDER/PLUG IN TERMINALS PC BOARD TERMINALS
.354
(9)
.656
(16.7)
2 Holes
.120 DIA
(3)
.140 (3.5)
.281
(7.1)
.281
(7.1)
.343
(8.7)
.562
(14.3)
.781
(19.8)
2 Pole
4 Pole
6 Pole
SUGGESTED PANEL LAYOUT
.940 Max
2 Pole
(24)
1.172 Max
4 Pole
(30)
1.395 Max
6 Pole
(36)
.138 Ref
(3.5)
.142 Ref
(3.6)
.320
(8.1) .106 (2.7)
.169 Ref
(4.3)
.406
(10.3)
.050 DIA + .004
(1.3) - .000
.543
(13.8)
.458
(11.6)
.212
(5.4)
.424
(10.8)
.531
(13.5)
Holes
PC BOARD LAYOUT
Viewed toward terminals
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
AZ420
7/23/09
MECHANICAL DATA AZ2428; 2429 Versions
.750
(19)
.980
(24.9)
.750
(19)
1.210
(30.7)
.115
(2.9)
1.200
(30.5)
.010
(0.3)
.115
(2.9)
1.200
(30.5)
.010
(0.3)
.010 ± .005
(0.25 ± .13)
TYP.
.042 ± .005
(1.0 ± .13)
TYP.
2. FOUR POLE (4PDT)
1. TWO POLE (DPDT)
WIRING DIAGRAM
FORM C CONTACT
Viewed toward terminals
* Not available in sealed version
4
8
10
9
6
5
7
321
TWO POLE
11
13
12
6
5
7
14
16
15
9
8
10
43 21
FOUR POLE
43 21 4
14
16
15
6
5
7
321
SIX POLE *
17
19
18
9
8
10
20
22
21
12
11
13
AZ420
7/23/09
Sockets & Hardware for AZ420 Series
FEATURES
•International standard spacing — accommodates
most cradle-type relays
•Unique knife-edge connector assures
positive contact
•Unbreakable fiberglass filled polyester
base material
•Spacing riser prevents flux contamination
•PC terminal spacing for 0.1 or 0.2 inch grids
•UL CUR file E171533
ORDERING DATA
# OF POLES SOCKET RETAINING CLIPS
2 ST140–A1 ST140–1
4 ST141–A1 ST141–1
[3.05]
2x ø.120
[3.05]
2x ø.120
CLEARANCE HOLE
FOR RELAY MOUNTING
STUD OR GROUND CLIP
ø.126
[ø3.2]
STUD OR GROUND CLIP
FOR RELAY MOUNTING
CLEARANCE HOLE
[ø3.2]
ø.126
.173
[4.4]
[4.4]
.173
.2
80
[
7.1
]
[3.56]
.140
GROUND
CLIP
[ø1.3]
ø.052
HOLE FOR
CLIP
GROUND
HOLE FOR
.150
4
3
2
1
.100
[11.4]
.450
[3.81] [2.54]
3
4
1
2
.450
[11.4]
[3.81]
.150
.500
[12.7]
.100
[2.54]
[12.7]
.500
[2.54]
.100
10
.100
16 9
[2.54]
[2.54]
.100
G
5
8
13
.100
11 12
6
14 15
7
5
7
G
6
10
89
[2.54]
.656
[16.7]
ø.052
[ø1.3]
[7.1]
.280
.562
.656
.354
[9.0]
[8.7]
.343
[9.0]
.354
[16.7]
[7.1]
.280
[14.3]
.010
[0.25]
.
0
1
0
[
0.25
]
.
0
4
2
[
1.06
]
.140
[3.56]
[
7.1
]
.2
80
[
1.06
]
.
0
4
2
[9.0]
.354
[19.0]
[10.8]
[10.8]
1.184
[30.1]
[24.8]
.978
[10.5]
.413
[8.9]
.413
[10.5]
[8.9]
VIEWED TOWARD TERMINALS
VIEWED TOWARD TERMINALS
.748
.354
[9.0]
.426
[4.4]
.173
.350
.173
[4.4]
.748
[19.0]
.350
.426
2 POLE
RETAININ
G
CLIP
RETAININ
G
CLIP
4 POLE
MECHANICAL DATA PC BOARD LAYOUTPANEL LAYOUT
(
25.4
)
1.
00
(
3.04
)
.12
0
(33.02)
1.
30
(
3.04
)
.12
0
1.217
(
30.9
)
1.
30
(33.02)
.12
0
(
3.04
)
.12
0
(
3.04
)
MECHANICAL SPECIFICATIONS
GENERAL DATA
Dielectric Strength 1500 Vrms between all elements
(at sea level)
Insulation 1012 ohms minimum at 25°C, 100 VDC
Resistance
Current Rating 5 Amps maximum, continuous
Ambient Temperature -55°C (-67°F) to 105°C (220°F)
Maximum Temperature Machine soldering: 240°C (460°F)
Vibration 10 g at 5–55 Hz (socket soldered into PC
board with relay inserted and held in place
with retainer)
Shock 50 g any position (socket soldered into PC
board with relay inserted and held in place
with retainer)
Terminals Combination type facilitates hand wiring or
PC board mounting
Contact Material Tin bronze silver plated
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
