AZ755
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
Isolation spacing greater than 8mm
UL Class B insulation system standard, Class F available
UL, CUR file E44211
TÜV file R50129286
GENERAL DATA
SPST (1 Form A, 1 Form B)
SPDT (1 Form C)
Resistive load:
Max. switched power: 480 W or 5540 VA
Max. switched current: 20 A
Max. switched voltage: 150* VDC or 380 VAC
*
Note: If switching voltage is greater than 30 VDC, special
CONTACTS
Arrangement
Ratings
Life Expectancy
Mechanical
Electrical
Operate Time (typical)
Release Time (typical)
Minimum operations
5 x 10
6
5 x 10
4
at 16 A 240 VAC Res.
2 x 10
4
at 20 A 277 VAC Res.
8 ms at nominal coil voltage
5 ms at nominal coil voltage
(with no coil suppression)
precautions must be taken. Please contact the factory.
Rated Load
UL, CUR
20 A at 277 VAC N.O. resistive, 50k cycles
16 A at 240 VAC general use, 100k cycles
12 A at 277 VAC N.O. resistive., 100k cycles
20 A at 24 VDC resistive
1 HP 240 VAC
TV-8 120 VAC N.O. (silver tin oxide only)
16 A at 30 VDC, 250 VAC resistive, 30k cycles*
13 A at 420 VAC resistive, 30k cycles *
*approval for form A , C, and Class F only
Silver cadmium oxide (silver tin oxide available)
< 50 milliohms initially
(24 V, 1 A voltage drop method)
Dielectric Strength
5000 Vrms coil to contact
(at sea level for 1 min.)
1000 Vrms between open contacts
Insulation
Resistance
Dropout
Ambient Temperature
Operating
Storage
Vibration
Shock
Enclosure
1000 megohms min. at 20°C
500 VDC 50% RH
Greater than 10% of nominal coil voltage
At nominal coil voltage
-40°C (-40°F) to 90°C (194°F)
-40°C (-40°F) to 130°C (266°F)
0.062" DA at 10–55 Hz
10 g
P.B.T. polyester
Tinned copper alloy, P. C.
270°C (518°F)
5 seconds
80°C (176°F)
30 Seconds
18.5 grams
TÜV
Material
Resistance
COIL
Power
At Pickup Voltage
(typical)
Max. Continuous
Dissipation
Temperature Rise
Temperature
270 mW
Terminals
Max. Solder Temp.
Max. Solder Time
Max. Solvent Temp.
1.9 W at 20°C (68°F) ambient
34°C (61°F) at nominal coil voltage
Weight
Max. 130°C (266°F)
Max. Immersion Time
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.
4/24/09W
AZ755
RELAY ORDERING DATA
COIL SPECIFICATIONS
Nominal Coil
VDC
5
6
9
12
18
24
48
60
110**
Must Operate
VDC
3.6
4.3
6.5
8.6
13.0
17.3
34.6
43.2
79.3
Max. Continuous
VDC
9.4
11.4
17.4
22.8
27.9
45.7
89.0
115.3
170.5
Coil
Resistance
47 ±10%
69 ±10%
155 ±10%
275 ±10%
620 ±10%
1100 ±15%
4400 ±15%
6880 ±15%
22900 ±15%
ORDER NUMBER*
Form A
(SPST)
AZ755–1A–5D
AZ755–1A–6D
AZ755–1A–9D
AZ755–1A–12D
AZ755–1A–18D
AZ755–1A–24D
AZ755–1A–48D
AZ755–1A–60D
AZ755–1A–110D
Form C
(SPDT)
AZ755–1C–5D
AZ755–1C–6D
AZ755–1C–9D
AZ755–1C–12D
AZ755–1C–18D
AZ755–1C–24D
AZ755–1C–48D
AZ755–1C–60D
AZ755–1C–110D
*Add suffix “E” for epoxy sealed version, suffix “A” for AgSnO (silver tin oxide) contacts. Substitute “1B” in place of “1A” or “1C” to indicate 1 Form B
contact arrangement. Add suffix “F” for Class F.
**110V coil not TÜV approved.
HARDWARE ORDERING DATA
DESCRIPTION
Socket
ORDER NUMBER
ST484–U1
DESCRIPTION
Retainer
ORDER NUMBER
ST482–2
MECHANICAL DATA
Form A and C
1.14
(29)
.160 ± .015
(4.2 ± .4)
.51
(13)
PC BOARD LAYOUT
.590
(15)
.197 .197
(5) (5)
(Form A and C only)
.295 (7.5)
1.06
(26.8)
0.015
(0.38)
.08
(2.1)
.05 DIA. (1.3)
(Form B & C only) (6 places Form A & B)
(8 places Form C)
Viewed toward terminals
ST484-U1
Terminal No. Dimensions Tol.: ± 0.005 (0.13)
1,2,4,5,7,8 0.018 (0.457) x 0.038 (0.965)
3,6
0.011 (0.279) x 0.038 (0.965)
1.22
(30.9)
.500
(12.7)
HARDWARE
.177
(4.5)
MAX
1.28
(32.5)
.366
(9.3)
.354
(9.0)
WIRING DIAGRAM
Form A
1
8
3
6
4
5
1
8
Form B
2
7
3
6
1
8
Form C
2
7
3
6
4
5
.295
(7.5)
.414
(10.5)
.125 DIA
(0.5)
RETAINING CLIP
.197
(5.0)
1.217
(30.9)
.158
(4.0)
Viewed toward terminals
.197
(5.0)
.590 (15)
.059 DIA
(1.5)
.138
(3.5)
1.004
(26.5)
.118
(3.0)
Viewed toward terminals
ST482-2
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
4/24/09W
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