ZETTLER AZ977-1C-24DS, AZ977-1C-24D, AZ977-1C-12DS, AZ977-1C-12D, AZ977-1A-6DS Datasheet
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ZETTLERelectronics
Telephone +44 (0) 1582 599 600 Fax +44 (0) 1582 599 700
Logistic Design (UK) Limited. Unit 3, Eagle Centre Way, Luton LU4 9US www.zettlerrelay.com sales@zettlerrelay.com
1999-10-06
AZ977
GENERAL DATA
Life Expectancy Minimum operations
Mechanical 1 x 10
6
Electrical 1 x 105at 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)
Dielectric Strength 500 VDC coil to contact
(at sea level for 1 min.) 500 VDC between open contacts
Insulation Resistance 100 megohms min. at 20°C, 500 VDC
50% RH
Dropout Greater than 8.3% of nominal coil voltage
Ambient Temperature At nominal coil voltage
Operating -40°C (-40°F) to 115°C (239°F)
Storage -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
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
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.
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*
Rated load: 20 A at 14 VDC
* If switching voltage is greater than 30 VDC, special
precautions must be taken. Please contact the factory.
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 534 mW (Standard)
(typical) 432 mW (Sensitive)
Max. Continuous 2.6 W at 20°C (68°F) ambient
Dissipation
Temperature Rise 60°C (108°F) at nominal coil voltage
Max Temperature 155°C (311°F)
SENSITIVE RELAYS
COIL SPECIFICATIONS
ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Resistance
Form A (SPST) From C (SPDT)
VDC VDC VDC ± 10%
6 3.6 7.8 32 AZ977-1A-6DS AZ977-1C-6DS
12 7.2 15.6 123 AZ977–1A–12DS AZ977–1C–12DS
24 14.4 31.2 483 AZ977–1A–24DS AZ977–1C–24DS
*Add suffix “R” for resistor in parallel with coil. Resistor values: 6V: 180 ohms, 12V: 680 ohms,
24V: 2700 ohms
1999-10-06
ZETTLERelectronics
Telephone +44 (0) 1582 599 600 Fax +44 (0) 1582 599 700
Logistic Design (UK) Limited. Unit 3, Eagle Centre Way, Luton LU4 9US www.zettlerrelay.com sales@zettlerrelay.com
AZ977
MECHANICAL DATA
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
RELAY ORDERING DATA
STANDARD RELAYS
COIL SPECIFICATIONS
ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Resistance
Form A (SPST) From C (SPDT)
VDC VDC VDC ± 10%
6 3.6 7.8 25 AZ977-1A-6D AZ977-1C-6D
12 7.2 15.6 97 AZ977–1A–12D AZ977–1C–12D
24 14.4 31.2 384 AZ977–1A–24D AZ977–1C–24D
1.02
[26.0]
.453
[11.5]
.189
3X
[4.8]
85
87a
86
.354
[9.0]
.177
[4.5]
.906
[23.0]
87
.554
[14.1]
.315
[8.0]
.610
[15.5]
WIRING DIAGRAMS
VIEWED TOWARDS TERMINALS
85 (2)
*
87a (4)
86 (1)
FORM C
5X.031
[0.8]
2X.248
[6.3]
85
*
86
30
.099
[2.6]
*Optional resistor
FORM A
87 (5)
87
30
(8)
30
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