AZ974

AZ974 40 AMP MINI-ISO AUTOMOTIVE RELAY FEATURES • • • • • • • • • • PCB terminals 40 Amp contact rating High carry current (60A) High momentary surge current (120A) High operating temperature (125°C) Resistor or diode parallel to coil available Epoxy sealed versions available SPST (1 Form A), SPDT (1 Form C) ISO/TS 16949, ISO9001, ISO14000 Tested in accordance with SAE J2544 GENERAL DATA SPST (1 Form A) SPDT (1 Form C) Resistive load: Max. switched power: 560 W (SPST) 560 W (N.O.) 420 W (N.C.) Max. switched current: 40 A (SPST) 40 A (N.O.) 30 A (N.C.) Max. switched voltage: 75 VDC Material Resistance Silver tin oxide < 100 milliohms initially (6V, 1 A voltage drop method) Dropout Ambient Temperature Operating Storage Vibration Life Expectancy Mechanical Electrical Operate Time (max.) Release Time (max.) Minimum operations 1 x 107 1 x 105 at 40 A 14 VDC Res. 10 ms at nominal coil voltage 10 ms at nominal coil voltage CONTACTS Arrangement Ratings Dielectric Strength 500 Vrms coil to contact (at sea level for 1 min.) 500 Vrms contact to contact Insulation Resistance 100 megohms min. at 500 VDC, 20°C 50% RH Greater than 10% of nominal coil voltage -55°C (-67°F) to 125°C (257°F) -55°C (-67°F) to 200°C (392°F) 0.062" DA at 10-40 Hz 10 g P.B.T. polyester Tinned copper alloy, P.C. 270°C (518°F) 5 seconds 80°C (176°F) 30 secomds 31 grams COIL Power At Pickup Voltage (typical) Max. Continuous Dissipation Temperature Rise Temperature 0.68 W 4.8 W at 20°C (68°F) 75°C (113°F) at nominal coil voltage Max. 200°C (392°F) Shock Enclosure Terminals Max. Solder Temp. Max. Solder Time Max Solvent Temp. Max Immersion Time 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. 1/29/07W AZ974 RELAY ORDERING DATA COIL SPECIFICATIONS Nominal Coil Must Operate Max. Continuous Coil Resistance VDC VDC VDC ± 10% 6 3.9 10.1 22 12 7.8 20.2 85 24 15.6 40.5 350 *Add suffix “E” for epoxy sealed version. Add suffix “R” for resistor across coil (6V=180 ohms, 12V=680 diode across coil (anode on #86) or suffix D2 for diode across coil (anode on #85). ORDER NUMBER* SPST AZ974–1A–6D AZ974–1A–12D AZ974–1A–24D ohms, 24V=2700 ohms). SPDT AZ974–1C–6D AZ974–1C–12D AZ974–1C–24D Add suffix D1 for MECHANICAL DATA Terminal Distance .945 Max [24.0] .330 [8.4] 86 87 85 .705 [17.9] 30 .330 [8.4] 86 87 87A 85 .315 [8] .705 [17.9] .080 [2] .080 [2] 30 .126 [3.2] .032 [.81] .080 [2.1] .098 [2.5] .333 [8.45] .665 [16.9] .333 [8.45] .665 [16.9] 1A 1C 1.041 Max [26.45] Bottom view 87 87 85 86 87A 30 86 Wiring Diagrams 87 85 86 87A 85 30 30 1A Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010" MAXIMUM ALLOWABLE AMBIENT TEMPERATURE (°) 1C Limiting Curve for Power Load Ambient Termperature VS VDC 0 Amp Contact Load 7 Amp Contact Load 15 Amp Contact Load 20 Amp Contact Load 30 Amp Contact Load 40 Amp Contact Load Switching Current (Amps) Applied Coil Voltage (% of Rated Nominal) 1/29/07W