AZ9731 40 AMP AUTOMOTIVE RELAY FEATURES 40 Amp contact rating High operating temperature (125C) Quick connect terminals Epoxy sealed version available Metal or plastic mounting bracket available Resistor or diode parallel to coil available ISO/TS 16949, ISO14001 CONTACTS Arrangement SPST (1 Form A) SPDT (1 Form C) GENERAL DATA Ratings Resistive load: Life Expectancy Minimum operations Max. switched power: 560 W 7 Mechanical 1 x 10 Max. switched current: 40 A (N.O.), 30 A (N.C.) 5 Electrical 1 x 10 at 40 A 14 VDC Res. Max. switched voltage: 28 VDC Operate Time (max.) 7 ms at nominal coil voltage Rated load 1 Form A* Release Time (max.) 5 ms at nominal coil voltage 40 A at 14 VDC (with no coil suppression) 20 A at 24 VDC Dielectric Strength 750Vrms coil to contact 1 Form C* (at sea level for 1 min.) 500Vrms between open contacts 40 A at 14 VDC (N.O.) 30 A at 14 VDC (N.C.) Insulation 100 megohms min. at 20C, 500 VDC, 20 A at 24 VDC (N.O.) Resistance 50% RH 15 A at 24 VDC (N.C.) Dropout Greater than 10% of nominal coil voltage *Note: 80C ambient at continuous current Ambient Temperature At nominal coil voltage 125C ambient at switched current Operating -40C (-40F) to 125C (257F) 1 Form A Vibration 0.062 (1.5 mm) DA at 1040 Hz 15 A at 14 / 24 VDC, continuous, 125C Shock 15 g 1 Form C Enclosure PA66 15A at 14 / 24 VDC (N.O.), continuous, 125C 10 A at 14 / 24 VDC (N.C.), continuous, 125C Terminals Tinned copper alloy Quick connect Note: Allow suitable slack on leads when wiring, and do not subject the terminals to excessive force. Weight 36 grams COIL Power Material Silver tin oxide At Pickup Voltage 680 mW (typical) Resistance < 100 milliohms initially (at 6 V, 1 A, voltage drop method) Max. Continuous 2.7 W at 20C (68F) ambient Dissipation NOTES Temperature Rise 75C (135F) at nominal coil voltage 1. All values at 20C (68F) (at 40 A) 2. Relay may pull in with less than Must Operate value. 3. Specifications subject to change without notice. Temperature Max. 155C (311F) Class F ZETTLER electronics GmbH - A ZETTLER CompanyGGROUPROUP Junkersstr. 3, D-82178 Puchheim, Germany phone: +49 89 800 97-0 office ZETTLERelectronics.com fax: +49 89 800 97-200 www.ZETTLERelectronics.com This product specification to be used only together with the application notes 2018-10-24 which can be downloaded from AZ9731 RELAY ORDERING DATA COIL SPECIFICATIONS Nominal Coil Must Operate Max. Continuous Coil Resistance VDC VDC VDC Ohm 10% 6 3.9 7.8 22.5 12 7.8 15.6 90 24 15.6 31.2 360 RELAY ORDERING DATA AZ9731 - 1C - 12D C2 R1 Blank - Standard no diode, no resistor R1 - 180 Ohm, W resistor in parallel with 6 V coil - 680 Ohm, W resistor in parallel with 12 V coil - 2700 Ohm W resistor in parallel with 24 V coil D1 - 1N4007 diode in parallel with coil, anode on 86 terminal D2 - 1N4007 diode in parallel with coil, cathode on 86 terminal C1 - Plastic dust cover with steel mounting bracket C1E - Plastic dust cover with steel mounting bracket, sealed C2 - Plastic dust cover with plastic mounting bracket C2E - Plastic dust cover with plastic mounting bracket, sealed C3 - Plastic dust cover C3E - Plastic dust cover, sealed C4 - Plastic dust cover, shrouded, with metal mounting bracket, sealed 24D -24 volt coil 12D -12 volt coil 6D - 6 volt coil 1A - SPST normally open 1A2 - SPST normally open (2 x terminal 87) 1C - SPDT changeover Basic series designation - AZ9731 ZETTLER electronics GmbH - A ZETTLER CompanyGGROUPROUP Junkersstr. 3, D-82178 Puchheim, Germany phone: +49 89 800 97-0 office ZETTLERelectronics.com fax: +49 89 800 97-200 www.ZETTLERelectronics.com This product specification to be used only together with the application notes 2018-10-24 which can be downloaded from