COIL
Power
At Pickup Voltage
270mW
(typical)
Max. Continuous
Dissipation
Temperature Rise
1.9W at 20°C (68°F) ambient
34°C (61°F) at nominal coil voltage
Temperature Max. 130°C (266°F)
CONTACTS
Arrangement SPST (1 Form A, 1 Form B)
SPDT (1 Form C)
Ratings Resistive load:
Max. switched power: 480W or 5540VA
Max. switched current: 20A
Max. switched voltage: 150VDC* or 277VAC
*Note: If switching voltage is greater than 30VDC, special
precautions must be taken. Please contact the factory.
Rated Load
UL, CUR
20A at 277VAC N.O. resistive, 50k cycles
16A at 240VAC general use, 100k cycles
12A at 277VAC N.O. resistive., 100k cycles
20A at 24VDC resistive
1HP 240VAC
TV-8 125VAC N.O. (silver tin oxide only)
Suffix 136 Contact
25 A at 125VAC N.O. resistive, 30k cycles
20 A at 125/250/277 VAC N.O. general use, 30k cycles
1/2 HP at 125/250 VAC
TV-10 at 125VAC N.O.
10FLA, 60LRA at 250VAC N.O. 20k cycles
TÜV
16A at 30VDC, 250VAC resistive, 30k cycles*
13A at 420VAC resistive, 30k cycles *
*approval for form A , C, and Class F only
Material Silver cadmium oxide (silver tin oxide available)
Resistance
< 50 milliohms initially
(24V, 1A voltage drop method)
AZ755
1/27/16
20 AMP MINIATURE
POWER RELAY
FEATURES
•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
Life Expectancy
Mechanical
Electrical
Minimum operations
1 x 107
1 x 105 at 16A 240VAC Res.
Operate Time (typical)
15ms max at nominal coil voltage
Release Time (typical)
5ms max at nominal coil voltage
(with no coil suppression)
Dielectric Strength
(at sea level for 1 min.)
4000Vrms coil to contact
1000Vrms between open contacts
Insulation
Resistance
1000 megohms min. at 20°C
500VDC 50% RH
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 130°C (266°F)
Vibration 0.062" DA at 10–55 Hz
Shock
10 g
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
Approx. 18.5 grams
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.
MECHANICAL DATA
AZ755
1/27/16
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
RELAY ORDERING DATA
COIL SPECIFICATIONS ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous
Coil Resistance
Form A Form C
VDC VDC VDC
±10%
(SPST) (SPDT)
5 3.6 9.4
47
AZ755–1A–5D AZ755–1C–5D
6 4.3 11.4
69
AZ755–1A–6D AZ755–1C–6D
9 6.5 17.4
155
AZ755–1A–9D AZ755–1C–9D
12 8.6 22.8
275
AZ755–1A–12D AZ755–1C–12D
18 13.0 27.9
620
AZ755–1A–18D AZ755–1C–18D
24 17.3 45.7
1100
AZ755–1A–24D AZ755–1C–24D
48 34.6 89.0
4170
AZ755–1A–48D AZ755–1C–48D
60 43.2 115.3
7000
AZ755–1A–60D AZ755–1C–60D
110** 79.3 170.5
22900
AZ755–1A–110D AZ755–1C–110D
*Substitute “1B” in place of “1A” or “1C” to indicate 1 Form B contact arrangement. Add suffix “E” for epoxy sealed version, suffix “A” for AgSnO (silver tin oxide)
contacts. Add suffix “F” for Class F. Add suffix “136” for silver tin oxide small contacts. When suffix “E” is specified for Epoxy Seal, refer to AZ “Relay Technical
Notes” on AZ website - Product Resources. Consult factory for other PCB process conditions that may apply.
**110V coil not TÜV approved.
HARDWARE ORDERING DATA
DESCRIPTION ORDER NUMBER DESCRIPTION ORDER NUMBER
Socket ST484–U1 Retainer ST482–2
Form A and C
Form A
WIRING DIAGRAM
PC BOARD LAYOUT
Form C
43
56
8
1
876 5
1 2 3 4
1.14
(29)
.160 ± .015
(4.2 ± .4)
1.06
(26.8)
.51
(13)
0.015
(0.38)
.08
(2.1)
(Form B & C only)
.590
(15)
.197
(5) .197
(5)
.295 (7.5)
.05 DIA. (1.3)
(6 places Form A & B)
(8 places Form C)
Terminal No.
1,2,4,5,7,8
3,6
Dimensions Tol.: ± 0.005 (0.13)
0.018 (0.457) x 0.038 (0.965)
0.011 (0.279) x 0.038 (0.965)
Viewed toward terminals
Viewed toward terminals
(Form A and C only)
Form B
8
1
76
2 3
.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
ST484-U1
ST482-2
1.217
(30.9)
1.004
(26.5)
.138
(3.5)
.158
(4.0)
