120A Heavy load up to 30KVA Magnetic Latching Relay

  • 3*120A switching capability
    Very minimal power consumption from the coil
    strong resistance ability to shock and vibration
    Heavy load up to 30KVA
    6KV dielectrics strength coil to contact
    Outline dimensions:(120*52*28)mm
    CE,RoHS,CQC compliant

Type: Magnetic Latching Relays
Theory: Electromagnetic Relay
Usage: Household Appliances Relay, General Purpose
Protective Characteristics: Sealed Relay
Action Principle: Electromagnetic Type
Protect Feature: Sealed
Contact Load: Low Power/Intermediate Power
Trademark: Zhongxin
Origin: Zhejiang, China
Rated Load: 50A 250VAC

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  • Contact Data
    Rated load(FLA)
    1200A/250VAC
    Contact form
    3A & 3B
    Contact material
    AgSnO₂
    Initial contact resistance
    ≤2mΩ(0.1A@6vdc)
    Max.switching current
    120A
    Max.switching voltage
    250VAC
    Max.switching power
    30,000VA
    Electical endurance
    1x104ops
    Mechanical endurance

    1x106ops

    Coil Powera
    Coil type Pulse duration Power consumption
    Single Min.50ms 3.0W
    Dual Min.50ms 6.0W
    Characteristics
    Insulation resistance 1,000MΩ(at 500VDC)
    Dielectric strength  
    Coil to contact 6,000VAC 1 min
    Across open contact 2,500VAC 1 min
    Operate time Max.20ms
    Release time Max.20ms
    Shoock resistance functional 100m/s²(10g)
    Shoock resistance destructive 1000m/s²(100g)
    Ambient temperature -40 ~ 70℃
    Humidity 98%RH,+40℃
    Termination 10-55HZ,1.5mm(DA)
    Vibration resistance Screw Hole
    Unit weight 250g
    Construction Dust protected
    Coil Data
    Nominal coil voltage Min.operating voltage Max.operating voltage Coil Resistance (Ω±10%)@23℃
    Single coil resistance Dual coil resistance
    6Vdc 4.5Vdc 12Vdc 12Ω 2x6Ω
    9Vdc 6.3Vdc 18Vdc 27Ω 2x13.5Ω
    12Vdc 8.4Vdc 24Vdc 48Ω 2x24Ω
    24Vdc 16.8Vdc 48Vdc 192Ω 2x96Ω
    Order Information
    Terminal Type See drawing
    Custom design
    Coil Type Single coil latching
    Dual coil latching
    Coil Voltage 6,9,12,24Vdc
    Coil Polarity Positive
    Negative

    TYPICAL APPLICATION:
    ◆Mainly used for IC-card-prepayment based electric energy meters,
    Model 485 meters with the break & make function used in centralized
    meter reading system;
    ◆It might also be used for combination switches of electiric power factor
    compensationswitch-capacitor,home appliances and automatic control devices;

     

    Note:when requiring other nominal voltage,special order allowed.

  • Dimensional darwings(mm)

    With Screw Hole Dimensional Drawings(mm)

    Sample Drawings

    with wire Dimensional Drawings(mm)

  • 1、All relays are shipped in the “closed”position.It is possible that during transit or final assembly the relay could change its state to the “open”position.
    Therefore,it is recommended that all relays be set to the desired state of the relay via a power supply.
    2、In order to maintain an “open” or “closed” state of the relay,the coil voltage should reach the rated voltage. The pulse width should be 5 times the
    operating time to ensure a proper change of state.Do not energize both T1 and T2 at the same time on a dual coil or energize the coil for longer than 1 minute
    (damage to the coil could incur).
    3、Relays have polarity,if the user’s need different from information,shoud be contact us.
    4、The relay to the factory inspection and use should handle to prevent damage effect,to the factory for damaging the goods shoud be strict distinction between
    the normal product and must not uses.