AZ977
20 AMP MINIATURE
POWER RELAY FOR
AUTOMOTIVE USE
FEATURES
•
•
•
•
•
•
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Low Cost
Up to 20 Amp switching capability in a compact size
Coils to 24 VDC
Small footprint
1 Form A and C contacts available
Vibration and shock resistant
Designed for high in-rush applications
CONTACTS
Arrangement
Ratings
SPST (1 Form A)
SPDT (1 Form C)
Resistive load:
GENERAL DATA
Life Expectancy
Mechanical
Electrical
Operate Time (max.)
Max. switched power: 280 W
Max. switched current: 20 A
Max. switched voltage: 150 VDC*
*
Note: If switching voltage is greater than 30 VDC,
Minimum operations
1 x 10
6
1 x 10
5
at 20 A 14 VDC Res.
10 ms max. at nominal coil voltage
7 ms max. at nominal coil voltage
(with no coil suppression)
Release Time (max.)
special precautions must be taken.
Please contact the factory.
Dielectric Strength
1000 VDC coil to contact
(at sea level for 1 min.)
500 VDC between open contacts
Insulation Resistance
Dropout
Ambient Temperature
Operating
Storage
Vibration
Shock
100 megohms min. at 20°C, 500 VDC
50% RH
Greater than 8.3% of nominal coil voltage
At nominal coil voltage
-40°C (-40°F) to 85°C (185°F)
-40°C (-40°F) to 105°C (221°F)
0.062" (1.5 mm) DA at 10-55 Hz
10 g
P.B.T. polyester
Quick connects
Note: Allow suitable slack on leads when wiring
and do not subject the terminals to excessive
force.
Rated load: 20 A at 14 VDC
Material
Resistance
Silver tin oxide
< 50 milliohms initially
COIL
Power
At Pickup Voltage
(typical)
Max. Continuous
Dissipation
Temperature Rise
Max Temperature
534 mW (Standard)
432 mW (Sensitive)
2.6 W at 20°C (68°F) ambient
60°C (108°F) at nominal coil voltage
155°C (311°F)
Enclosure
Terminals
Weight
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.
ZETTLER electronics GmbH
Junkersstr. 3, D-82178 Puchheim, Germany
phone: +49 89 800 97-0 office@ZETTLERelectronics.com
fax:
+49 89 800 97-200 www.ZETTLERelectronics.com
2011-07-28
This product specification to be used only together with the application notes
which can be downloaded from http://www.ZETTLERelectronics.com/pdfs/relais/ApplicationNotes.pdf
AZ977
RELAY ORDERING DATA
STANDARD RELAYS
COIL SPECIFICATIONS
Nominal Coil
VDC
6
12
24
Must Operate
VDC
3.6
7.2
14.4
Max. Continuous
VDC
7.8
15.6
31.2
Coil Resistance
± 10%
25
97
384
ORDER NUMBER*
Form A (SPST)
AZ977-–1A–6D
AZ977–1A–12D
AZ977–1A–24D
From C (SPDT)
AZ977–1C–6D
AZ977–1C–12D
AZ977–1C–24D
SENSITIVE RELAYS
COIL SPECIFICATIONS
Nominal Coil
VDC
6
12
24
Must Operate
VDC
3.6
7.2
14.4
Max. Continuous
VDC
7.8
15.6
31.2
Coil Resistance
± 10%
32
123
483
ORDER NUMBER*
Form A (SPST)
AZ977–1A–6DS
AZ977–1A–12DS
AZ977–1A–24DS
From C (SPDT)
AZ977–1C–6DS
AZ977–1C–12DS
AZ977–1C–24DS
* Add suffix “R” for resistor in parallel with coil. Resistor values: 6V: 180
Ω,
12V: 680
Ω,
24V: 2700
Ω.
Add suffix “D” for diode across coil option (+ pole of power supply at terminal #86).
Add suffix “E” for epoxy sealed version.
MECHANICAL DATA
.906
[23.0]
.610
[15.5]
WIRING DIAGRAMS
VIEWED TOWARDS TERMINALS
1.02
[26.0]
85 (2)
*
87a (4) 87 (5)
.453
[11.5]
86 (1)
FORM C
30
(8)
3X .189
[4.8]
.315
[8.0]
85
.354
[9.0]
.177
[4.5]
87a
86
87
30
5X.031
[0.8]
2X.248
[6.3]
85
*
87
86
FORM A
30
.554
[14.1]
.099
[2.6]
*Optional resistor
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
ZETTLER electronics GmbH
Junkersstr. 3, D-82178 Puchheim, Germany
phone: +49 89 800 97-0 office@ZETTLERelectronics.com
fax:
+49 89 800 97-200 www.ZETTLERelectronics.com
2011-07-28
This product specification to be used only together with the application notes
which can be downloaded from http://www.ZETTLERelectronics.com/pdfs/relais/ApplicationNotes.pdf
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