Relay Contact Arrangement 40 Amp Relay Diagram Relay In Solar / EVSE Electromechanical Relays

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  • Description
  • 1.Main Features:

    Continuous Current:40A

    Max. Switching Voltage:277VAC

    Rated Voltage:12VDC/24VDC

    Power Consumption:1.8W/3.0W

    Dielectric withstanding voltage of across open contact:4KVAC

    ● Cost Efficiency & Surge Protection

    Contact Form:2A/2B

    ● Compact Size:49*30*26.5mm

    Sealed Structure to Resist Harsh Environment

    Comply with UL Standard

    Typical Application: New Energy AC Slow Charging Piles

    2.Technical Parameters:

    Main Parameters



    Continuous Current


    Contact Form


    Contact Material


    Max. Switching Voltage


    Initial Contact Resistance

    10mΩ (at 20A)

    Insulation Resistance

    100MΩ, at 500VDC, 50%RH

    Mechanical Endurance

    5×105 ops

    Electrical Endurance

    6×103 ops

    Electrical Endurance10000 Cycles
    Mechanical Endurance100000 Cycles

    Other Parameters

    Pick-up & Release Time

    30ms. typical/10ms. typical

    Dielectric withstanding voltage:

    Coil to Contact

    4000VAC 1min

    Across Open Contact

    801:3000VAC 1min ;801A: 4000VAC 1min

    Environment Temperature

    Operation:-40℃~85℃ ;Storage:-40℃~125℃

    Shock Resistance

    20g, 11ms

    Dielectric Strength

    500Vrms, 1 min


    10-40Hz,DA1.27mm, 40-70Hz:5g, 70-100Hz:DA0.5mm,100-500Hz:5g

    Coil Data
    TypeCoil PN

    Rated Voltage


    Coil Resistance


    Power Consumption


    Max Pick-up Voltage


    Min Release Voltage



    3.Dimention & Package

    Dimension of product:

    Relay Contact Arrangement 40 Amp Relay Diagram Relay In Solar / EVSE Electromechanical Relays


    Samples (small quantity): we default to use IVY box (Ref Size:25*20*7cm)

    Shipments (large quantity): package can be self-defined based on our rich experience, box-carton-pallet.

    We also adopt the skin packing to protect the pins and state of relays.

    Marks on carton, or documents can be negotiated based on custom's requirements.

    Fillers:For filler we will use foam, bubble material, high end PE form.


    We may have zip code on the products if any quality accidents, we will call back and tracking the production.

    Welcome to contact us if you have any feedback on our packages, once we adopted your suggestion we can offer free samples or discount.

    4.About IVY METERING

    Our History:

    Our team focus on metering and switching since 1994.

    IVY brand was born in 2010, HK IVY, Shanghai IVY, Tongxiang was established in 2010, 2015 & 2016.

    IVY METERING Co., Ltd. is a Chinese leading designer and manufacturer of electrical components for energy management

    and industrial field. With own factory located in Zhejiang and sales center in Shanghai for lean management.

    Our product includes :

    Switching series- magnetic latching relay, magnetic immune latching relay, power relay (EV relay)

    Measuring components-current transformer, shunt resistor,

    Measuring assembly-smart metering module and power sensor/

    Others-communication/power supply modules, customizable integrated assembly etc.

    Our Mission:

    Focus on Energy Management,

    Light up Better Life

    5.Payment & Shipment

    Flexible Paymen

    TT/ LC / PayPal / WeChat Pay / AliPay

    More payment terms plz advise.
    Please send us the bank memo after payments

    In this case we can avoid mistakes on Account No.

    If any changes on bank info we will call you even video

    Plz don't believe any changes by emails

    Shipment Items

    Samples shipment:

    Express:DHL / UPS / TNT / FedEx / EMS / Aramex / ABX etc...
    AirPost: Post-NL / Singapore Post / ePacket / CDEK /
    Hongkong Post / DHL eCommerce / PTT etc...

    Bulk Shipment: China Post etc...

    Agent or forwarder are acceptable for us

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