AZ7555

AZ7555
20 AMP MINIATURE
POWER RELAY
FEATURES
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Dielectric strength 5000 Vrms
Low cost
Epoxy sealed version available
20 Amp switching — single pole contacts
5.0 mm terminal spacing
Class F insulation system available
UL, CUR file E44211
TUV R50290835
CONTACTS
Arrangement SPST (1 Form A)
SPDT (1 Form C)
Ratings
Resistive load:
Max. switched power: 480 W or 5kVA
Max. switched current: 20 A
Max. switched voltage: 30* VDC or 277 VAC
*Note: If switching voltage is greater than 30 VDC, special
precautions must be taken. Please contact the factory.
Rated Load
UL, CUR
Normally Open Contacts (N.O.) Std & Sen. Coil
20 A at 125 VAC, Resistive, 100k cycles, 85°C
20 A at 250 VAC, General Use, 6k cycles, 40°C
16 A at 250 VAC, Resistive, 100k cycles, 85°C
16 A at 30 VDC, Resistive, 100k cycles, 85°C
1/6 HP at 250 VAC, 100k cycles, 85°C
Normally Closed Contacts (N.C.) Std & Sen. Coil
10 A at 125 VAC, Resistive, 100k cycles, 85°C
8 A at 250 VAC, Resistive, 100k cycles, 85°C
8 A at 30 VDC, Resistive, 100k cycles, 85°C
Super Sensitive Coil Only
[email protected] inductive (General Use 85°C 0.75-0.8pf) NO
NO and NC
[email protected]/30VDC resistive 85°C
[email protected]/277VAC pilot duty
NO and NC
[email protected] standard (magnetic) ballast NO and NC
[email protected] Tungsten
NO
[email protected] Tungsten
NC
[email protected]/240VAC
NO
[email protected]/240VAC
NC
[email protected]
NO
[email protected]
NC
TUV
5A NO / 3A NC @ 250VAC / 30VDC, 100k cycles, 85°C
10A NO / 5A NC @ 250VAC / 30VDC, 100k cycles, 85°C
16A NO / 8A NC @ 250VAC / 30VDC, 100k cycles, 85°C
GENERAL DATA
Life Expectancy
Mechanical
Electrical
Minimum operations
1 x 107
1 x 105 at 20 A 125 VAC Res.
Operate Time (max)
15 ms at nominal coil voltage (standard)
20 ms at nominal coil voltage (sensitive)
Release Time (max)
8 ms at nominal coil voltage
(with no coil suppression)
Dielectric Strength
5000 VAC contact to coil
(at sea level for 1 min.) 1000 VAC between open contacts
2500 VAC between contact sets
10,000 V surge contact to coil
Insulation Resistance
1000 megohms min. at 20°C, 500 VDC
Dropout
Greater than 10% of nominal coil voltage
Ambient Temperature
Operating
Storage
At nominal coil voltage
-40°C (-40°F) to 85°C (185°F)
-40°C (-40°F) to 105°C (221°F)
Vibration
0.059" DA at 10–55 Hz
Shock
100 G
10 G
Mechanical
Operational
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 seconds
Weight
13 grams
COIL
Power
Material
Silver tin oxide
Resistance
< 100 milliohms initially
NOTES
At Pickup Voltage
(typical)
Max. Continuous
Dissipation
353 mW (standard)
300 mW (sensitive)
67.5mW (super sensitive)
1.2 W at 20°C (68°F) ambient (Standard)
0.9 W at 20°C (68°F) ambient (Sensitive)
0.2 W at 20°C (68°F) ambient (S. Sensitive)
1. All values at 23°C (73.4°F).
Temperature Rise
40° C (104°F) at nominal voltage
2. Relay may pull in with less than “Must Operate” value.
Temperature
Max. 105°C (221°F)
3. Specifications subject to change without notice.
Max. 155°C (311°F) Class F
3/13/2015
AZ7555
RELAY ORDERING DATA
COIL SPECIFICATIONS (STANDARD)
Nominal Coil
VDC
Must Operate
VDC
Max. Continuous
VDC
3
5
6
9
12
18
24
48
60
110
2.1
3.5
4.2
6.3
8.4
12.6
16.8
33.6
45.0
82.5
3.9
6.5
7.8
11.7
15.6
23.4
31.2
62.4
78.0
143.0
ORDER NUMBER*
Coil
Resistance
13 ±10%
36 ±10%
48.5 ±10%
115 ±10%
200 ±10%
450 ±10%
820 ±10%
3,300 ±10%
5,000 ± 10%
16,000 ± 10%
Form A
(SPST)
AZ7555–1A–3DK
AZ7555–1A–5DK
AZ7555–1A–6DK
AZ7555–1A–9DK
AZ7555–1A–12DK
AZ7555–1A–18DK
AZ7555–1A–24DK
AZ7555–1A–48DK
AZ7555–1A–60DK
AZ7555–1A–110DK
Form C
(SPDT)
AZ7555–1C–3DK
AZ7555–1C–5DK
AZ7555–1C–6DK
AZ7555–1C–9DK
AZ7555–1C–12DK
AZ7555–1C–18DK
AZ7555–1C–24DK
AZ7555–1C–48DK
AZ7555–1C–60DK
AZ7555–1C–110DK
For epoxy seal change “DK” to “DEK”. For Class F insulation system add suffix “F” to part number.
COIL SPECIFICATIONS (SENSITIVE)
Nominal Coil
VDC
Must Operate
VDC
Max. Continuous
VDC
3
5
6
9
12
18
24
48
60
110
2.25
3.75
4.5
6.75
9
13.5
18
36
45.0
82.5
3.9
6.5
7.8
11.7
15.6
23.4
31.2
62.4
78.0
143.0
ORDER NUMBER*
Coil
Resistance
17 ±10%
48.5 ±10%
68 ±10%
155 ±10%
270 ±10%
600 ±10%
1100 ±10%
4400 ±10%
6,670 ± 10%
22,400 ± 10%
Form A
(SPST)
Form C
(SPDT)
AZ7555–1A–3DSK
AZ7555–1A–5DSK
AZ7555–1A–6DSK
AZ7555–1A–9DSK
AZ7555–1A–12DSK
AZ7555–1A–18DSK
AZ7555–1A–24DSK
AZ7555–1A–48DSK
AZ7555–1A–60DSK
AZ7555–1A–110DSK
AZ7555–1C–3DSK
AZ7555–1C–5DSK
AZ7555–1C–6DSK
AZ7555–1C–9DSK
AZ7555–1C–12DSK
AZ7555–1C–18DSK
AZ7555–1C–24DSK
AZ7555–1C–48DSK
AZ7555–1C–60DSK
AZ7555–1C–110DSK
* For epoxy seal change “DSK” to “DSEK”. For Class F insulation system add suffix “F” to part number.
COIL SPECIFICATIONS (SUPER SENSITIVE)
Nominal Coil
VDC
5
6
9
12
18
24
48
60
Must Operate
VDC
3.75
4.5
6.75
9
13.5
18
36
45.0
Max. Continuous
VDC
6.5
7.8
11.7
15.6
23.4
31.2
62.4
78.0
Coil
Resistance
208 ±10%
300 ±10%
675 ±10%
1,200 ±10%
2,700 ±10%
4,800 ±10%
19,200 ±10%
30,000 ± 10%
ORDER NUMBER*
Form A
(SPST)
AZ7555–1A–5DSSK
AZ7555–1A–6DSSK
AZ7555–1A–9DSSK
AZ7555–1A–12DSSK
AZ7555–1A–18DSSK
AZ7555–1A–24DSSK
AZ7555–1A–48DSSK
AZ7555–1A–60DSSK
Form C
(SPDT)
AZ7555–1C–5DSSK
AZ7555–1C–6DSSK
AZ7555–1C–9DSSK
AZ7555–1C–12DSSK
AZ7555–1C–18DSSK
AZ7555–1C–24DSSK
AZ7555–1C–48DSSK
AZ7555–1C–60DSSK
* For epoxy seal change “DSSK” to “DSSEK”. For Class F insulation system add suffix “F” to part number.
3/13/2015
AZ7555
HARDWARE ORDERING DATA
DESCRIPTION
ORDER NUMBER
DESCRIPTION
ORDER NUMBER
Socket (5.0 mm)
ST484-U1
Retainer
ST482-2
MECHANICAL DATA
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010" unless specified.
3/13/2015