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American Zettler AZSR & AZEV Series Relays for Automotive Applications

Reliable switching solutions for high-power automotive systems. American Zettler’s AZSR & AZEV relays offer precision, durability, and safety for EV charging, energy storage, and high-voltage control applications.

  • High Switching Capacity: AZSR250 handles up to 50A, while AZEV400 delivers 80A per contact pair—perfect for demanding EV and automotive applications.
  • Automotive-Grade Durability: Both series are rated for extended electrical life with reinforced insulation and contact reliability under high-load conditions.
  • EV-Ready Performance: AZEV400 is designed for IEC 61851 Mode 3 and SAE J1772 Level 2 charging—ideal for AC EVSE and onboard charging systems.
  • Safety First: Wide contact gaps (≥1.85mm AZSR, ≥4.0mm AZEV) and dielectric strength up to 5kVrms ensure dependable isolation and reduced arc risk.
  • Space-Efficient & Robust: Compact form factors with sealed enclosures, PBT housings, and THT terminals—ready for tough automotive environments.
  • Built-in Monitoring Options: AZEV400 features an integrated SPST-NC monitor contact for real-time status diagnostics in safety-critical EV circuits.
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14 Products

    AZSR143-1AE-12D
    Data Sheet
    AZSR143-1AE-12D American Zettler
    AZSR143 Series 50A SPST -40°~+85°C 12VSC Miniature Power Relay
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    In Stock: 245
    Ships Immediately
    On Order: 1000
    can ship 7/2/26
    10
    $4.75
    50
    $4.25
    250
    $3.92
    500
    $3.77
    1,000
    $3.65
    AZSR190T-1AE-12D
    AZSR190T-1AE-12D American Zettler
    100 AMP MINIATURE POWER RELAY
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    In Stock: 900
    Ships Immediately
    5
    $13.64
    25
    $12.38
    50
    $11.44
    150
    $10.94
    300
    $10.51
    AZSR250-2AE-12D
    Data Sheet
    AZSR250-2AE-12D American Zettler
    Power Relay 12VDC 50A DPST-NO(40mm 25mm 49.2mm) THT
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    In Stock: 395
    Ships Immediately
    5
    $15.47
    25
    $14.05
    50
    $13.21
    100
    $12.41
    300
    $12.12
    AZSR250-2AE-24D
    Data Sheet
    AZSR250-2AE-24D American Zettler
    Power Relay - DPST-NO (2 Form A) - 24VDC Coil - 55A Contact - 440VAC / 150VDC Switching - 13850VA / 1500W Load Sw ...
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    In Stock: 1518
    Ships Immediately
    5
    $17.72
    25
    $16.08
    50
    $15.13
    100
    $14.20
    300
    $13.87