AZ9721-1A-24DC2R1

AZ9721 AZ 40 AMP AUTOMOTIVE RELAY FEATURES • • • • • • 40 Amp contact rating High momentary carry current (60A) SPST (1 Form A), SPDT (1 Form C) Quick connect terminals Metal or plastic mounting bracket available Resistor or diode parallel to coil available CONTACTS Arrangement Ratings SPST (1 Form A) SPDT (1 Form C) Resistive load: Max. switched power: 480 W (SPST) 480 W (N.O.) 360 W (N.C.) Max. switched current: 40 A (SPST) 40 A (N.O.) 30 A (N.C.) Max. switched voltage: 75 VDC Minimum Load Material Resistance 5 VDC, 0.1 A Silver alloy < 50 milliohms initially (24 V, 1 A voltage drop method) GENERAL DATA Life Expectancy Mechanical Electrical Operate Time (typical) Release Time (typical) Minimum operations 1 x 107 1 x 105 at rated load 10 ms at nominal coil voltage 10 ms at nominal coil voltage (with no coil suppression) Dielectric Strength 750 Vrms coil to contact (at sea level for 1 min.) 750 Vrms contact to contact Insulation Resistance Dropout Ambient Temperature Operating Storage Vibration 100 megohms min. at 500 VDC, 20°C 50% RH Greater than 10% of nominal coil voltage -55°C (-67°F) to 70°C (158°F) -55°C (-67°F) to 155°C (311°F) 0.062" DA at 20-200 Hz 20 g P.B.T. polyester Copper alloy 0.25 Quick Connect 40 grams COIL Power At Pickup Voltage (typical) Max. Continuous Dissipation Temperature Rise Temperature 0.76 W Shock Enclosure Terminals 4.0 W at 20°C (68°F) Weight 63°C (113°F) at nominal coil voltage Max. 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. 9/3/98W AZ9721 AZ COIL SPECIFICATIONS Nominal Coil VDC 12 24 Must Operate VDC 7.8 17.0 Max. Continuous VDC 17.8 36.0 Coil Resistance ± 10% 80 320 RELAY ORDERING DATA AZ9721-1C-12DC2R1 Blank - Standard no diode, no resistor R1 - 680 Ohm, ½ w resistor in parallel with 12 V coil 2700 Ohm ½ w resistor in paralle with 24 V coil R2 - 820 Ohm, ½ w resistor in parallel with 12 V coil 3200 Ohm ½ w resistor in parallel with 24 V coil D1 - 1N4007 diode in parallel with coil, anode on #85 terminal D2 - 1N4007 diode in parallel with coil, cathode on #85 terminal D3 - 1N4004 diode in parallel with coil, anode on #85 terminal D4 - 1N4004 diode in parallel with coil, cathode on #85 terminal C1 - Plastic dust cover with steel mounting bracket C2 - Plastic dust cover with plastic mounting bracket C3 - Plastic dust cover 24D - 24 volt coil 12D - 12 volt coil 1A - SPNO Single pole normally open 1C - SPDT Single pole double throw Basic series designation - AZ9721 9/3/98W AZ9721 AZ MECHANICAL DATA AZ9721-C1 ø.217 [ø5.5] .394 [10.0] .394 [10.0] AZ9721-C2 ø.217 [ø5.5] .984 [25.0] .984 [25.0] 5x.433 [11.0] 5x.031 [0.8] 5x.177 [4.5] 5x.248 [6.3] 5x .031 [0.8] 5x.177 [4.5] 5x.433 [11.0] 5x.248 [6.3] .165 [4.2] .378 [9.6] .346 [8.8] 1.102 [28.0] .150 [3.8] .378 [9.6] .346 [8.8] 1.102 [28.0] .661 [16.8] 1.102 [28.0] .661 [16.8] 1.102 [28.0] AZ9721-C3 Wiring Diagram .984 [25.0] 85 86 85 86 85 86 5x.433 [11.0] 5x.177 [4.5] 5x.031 [0.8] R1,R2 5x.248 [6.3] D2,D4 D1,D3 30 30 .098 [2.5] .378 [9.6] .346 [8.8] 1.102 [28.0] 85 87A 86 85 86 87 87 1C .661 [16.8] 1.102 [28.0] 1A 9/3/98W AZ9721 Sockets & Hardware for AZ9721 ST9721-U1 .079 [2.0] 1.300 [33.0] 1.091 [27.7] .236 [6.0] .472 [12.0] .354 [9.0] .945 [24.0] 1.205 [30.6] 1.417 [36.0] ST9721-U2 .245 [6.2] .075 [1.9] ST9721-U3 .945 [24.0] .945 [24.0] 1.043 [26.5] .200 [5.1] .345 [8.8] .059 [1.5] .571 [14.5] .138 [3.5] 1.043 [26.5] .659 [16.7] .905 [23.0] 5x ø.116 [ø2.9] .375 [9.5] .692 [17.6] .090 [2.3] PCB LAYOUT VIEWED TOWARDS TERMINALS Note: Recommended receptical connector Amp Part numbers are 5-160558-9 or 5-1605-26-9 9/3/98W