ETC1 AZ977-1A-24DS 20 amp miniature power relay for automotive use Datasheet

AZ977
20 AMP MINIATURE
POWER RELAY FOR
AUTOMOTIVE USE
FEATURES
•
•
•
•
•
•
•
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
GENERAL DATA
CONTACTS
Arrangement
SPST (1 Form A)
SPDT (1 Form C)
Ratings
Resistive load:
Max. switched power: 280 W
Max. switched current: 20 A
Max. switched voltage: 150 VDC*
Minimum operations
1 x 106
1 x 105 at rated load
Operate Time (max.)
10 ms max. at nominal coil voltage
Release Time (max.)
7 ms max. at nominal coil voltage
(with no coil suppression)
Rated load: 20 A at 14 VDC
Dielectric Strength
500 VDC coil to contact
(at sea level for 1 min.) 500 VDC between open contacts
* If switching voltage is greater than 30 VDC, special
precautions must be taken. Please contact the factory.
Insulation Resistance
100 megohms min. at 20°C, 500 VDC
50% RH
Dropout
Greater than 8.3% of nominal coil voltage
Ambient Temperature
Operating
Storage
At nominal coil voltage
-40°C (-40°F) to 115°C (239°F)
-40°C (-40°F) to 155°C (311°F)
Vibration
0.062" DA at 10-55 Hz
Shock
10 g
Enclosure
P.B.T. polyester
Terminals
Tinned copper alloy, P.C.
Weight
16 grams
Minimum Load
5 VDC, 0.1 A
Material
AgSnO2
Resistance
< 50 milliohms initially
(6 V, 1 A voltage drop method)
COIL
Power
At Pickup Voltage
(typical)
534 mW (Standard)
432 mW (Sensitive)
Max. Continuous
Dissipation
2.6 W at 20°C (68°F) ambient
Temperature Rise
60°C (108°F) at nominal coil voltage
Max Temperature
Life Expectancy
Mechanical
Electrical
155°C (311°F)
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
Logistic Design (UK) Limited. Unit 3, Eagle Centre Way, Luton LU4 9US www.zettlerrelay.com [email protected]
Telephone +44 (0) 1582 599 600 Fax +44 (0) 1582 599 700
1999-10-06
AZ977
RELAY ORDERING DATA
STANDARD RELAYS
ORDER NUMBER*
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
Form A (SPST)
From C (SPDT)
AZ977-1A-6D
AZ977–1A–12D
AZ977–1A–24D
AZ977-1C-6D
AZ977–1C–12D
AZ977–1C–24D
SENSITIVE RELAYS
ORDER NUMBER*
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
Form A (SPST)
From C (SPDT)
AZ977-1A-6DS
AZ977–1A–12DS
AZ977–1A–24DS
AZ977-1C-6DS
AZ977–1C–12DS
AZ977–1C–24DS
*Add suffix “R” for resistor in parallel with coil. Resistor values: 6V: 180 ohms, 12V: 680 ohms,
24V: 2700 ohms
MECHANICAL DATA
.610
[15.5]
.906
[23.0]
WIRING DIAGRAMS
VIEWED TOWARDS TERMINALS
1.02
[26.0]
85 (2)
*
87a (4) 87 (5)
.453
[11.5]
FORM C
5X.031
[0.8]
3X .189
[4.8]
2X.248
[6.3]
.315
[8.0]
85
*
87
85
.354
[9.0]
.177
[4.5]
30
(8)
86 (1)
87a
86
87
FORM A
30
86
.554
[14.1]
30
.099
[2.6]
*Optional resistor
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
ZETTLER
electronics
Logistic Design (UK) Limited. Unit 3, Eagle Centre Way, Luton LU4 9US www.zettlerrelay.com [email protected]
Telephone +44 (0) 1582 599 600 Fax +44 (0) 1582 599 700
1999-10-06
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