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
CONTACTS
Arrangement Ratings SPST (1 Form A) SPDT (1 Form C) 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.
GENERAL DATA
Life Expectancy Mechanical Electrical Operate Time (max.) Release Time (max.) Minimum operations 1 x 106 1 x 105 at rated load 10 ms max. at nominal coil voltage 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 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 115°C (239°F) -40°C (-40°F) to 155°C (311°F) 0.062" DA at 10-55 Hz 10 g P.B.T. polyester Tinned copper alloy, P.C. 16 grams
Minimum Load Material Resistance
5 VDC, 0.1 A AgSnO2 < 50 milliohms initially (6 V, 1 A voltage drop method)
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
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
1999-10-06
Logistic Design (UK) Limited. Unit 3, Eagle Centre Way, Luton LU4 9US www.zettlerrelay.com sales@zettlerrelay.com Telephone +44 (0) 1582 599 600 Fax +44 (0) 1582 599 700
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 ohms, 12V: 680 ohms, 24V: 2700 ohms
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
1999-10-06
Logistic Design (UK) Limited. Unit 3, Eagle Centre Way, Luton LU4 9US www.zettlerrelay.com sales@zettlerrelay.com Telephone +44 (0) 1582 599 600 Fax +44 (0) 1582 599 700
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