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| 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 20C, 500 VDC 50% RH Greater than 8.3% of nominal coil voltage At nominal coil voltage -40C (-40F) to 115C (239F) -40C (-40F) to 155C (311F) 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 20C (68F) ambient 60C (108F) at nominal coil voltage 155C (311F) Enclosure Terminals Weight NOTES 1. All values at 20C (68F). 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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