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AMERICAN ZETTLER AZ97311A12DC3ER1 40 Amp Mini-ISO Relay

The AMERICAN ZETTLER AZ9731-1A-12DC3ER1 is a compact and robust Mini-ISO Automotive Relay engineered for demanding automotive and industrial applications. It offers a 40 Amp contact rating, quick connect terminals for ease of installation, and a high operating temperature of 125°C, ensuring reliable operation in harsh environments. The relay is available with various coil voltage options and features like resistor or diode parallel to the coil for enhanced functionality. It is ISO/TS 16949 and ISO14001 certified, guaranteeing quality and environmental responsibility.

Authorized Distributors
Source:DigiKey
Part No:AZ9731-1A-12DC3ER1
Stock:144
Inv Date:05-30-2026
Price: Unit price: $3.21
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Part No:AZ9731-1A-12DC3ER1
Stock:0
Inv Date:05-30-2026
Price: Unit price: $4.65
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Part No:AZ9731-1A-12DC3ER1
Stock:62
Inv Date:05-30-2026
Price: Unit price: $1.86
Buy/RFQ:
Part No:AZ9731-1A-12DC3ER1
Stock:62
Inv Date:05-30-2026
Price: Unit price: $1.86
Buy/RFQ:
Part No:AZ9731-1A-12DC3ER1
Stock:0
Inv Date:05-29-2026
Price: Unit price: $1.91
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AMERICAN ZETTLER AZ97311A12DC3ER1 40 Amp Mini-ISO Relay Specifications:

  • Contact Arrangement: SPST (1 Form A), SPDT (1 Form C), SPST NO DM ( 1 Form U), SPST (1 Form A2)
  • Ratings Resistive Load: 630W (SPST), 630W (N.O.), 473W (N.C.)
  • Ratings Switched Current: 40A (SPST), 40A (N.O.), 30A (N.C.)
  • Ratings Switched Voltage: 75VDC
  • Contact Material: Silver tin oxide
  • Contact Resistance: < 100 milliohms initially
  • Coil Power At Pickup Voltage: 0.68W
  • Coil Power Max Continuous: 4.8W at 20°C
  • Coil Temperature Rise: 75°C at nominal coil voltage
  • Coil Max Temperature: 155°C
  • Mechanical Life Expectancy: 1 x 10^7 operations
  • Electrical Life Expectancy: 1 x 10^5 operations at 40A, 14VDC
  • Operate Time: 7ms at nominal coil voltage
  • Release Time: 5ms at nominal coil voltage
  • Dielectric Strength: 500Vrms coil to contact, 500Vrms contact to contact
  • Insulation Resistance: 100 megohms min. at 500VDC, 20°C, 50% RH
  • Dropout Voltage: Greater than 15% of nominal coil voltage
  • Operating Ambient Temperature: -40°C to 125°C
  • Storage Ambient Temperature: -55°C to 155°C
  • Vibration: 0.062” DA at 10-40 Hz
  • Shock: 15g
  • Enclosure Material: P.B.T. polyester
  • Terminal Material: Tinned copper alloy
  • Terminal Type: 0.25 Quick Connect
  • Weight: 31 grams

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AMERICAN ZETTLER

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