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HJE11F-120A-250VAC Latching Relay

Product Overview: In power applications with frequent start-stop cycles and continuous operation, traditional relays often face the dual challenges of energy consumption and lifespan. This magnetic latching relay, with its unique physical locking design, achieves a smart operating mode of one-time energization and long-term locking, ensuring that 120A high-current switching is no longer a burden on power consumption.

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Core Values

Stabilized Zero Energy Consumption, Dynamically More Reliable: Requires an electrical signal only during switching; operates without power consumption or heat generation during long-term operation.

120A High Load Endurance: Silver-based composite contact material withstands frequent switching impacts and adapts to harsh 250VAC environments.

Power-Off State Memory: Maintains contact state during unexpected power outages, ensuring system continuity.

Military-Grade Structure: Compact housing with shock-resistant design, adaptable to complex industrial conditions.

Precise Application Scenarios
Smart Meter Remote Load Control System
Photovoltaic Power Station Grid-Connected/Off-Grid Switching Device
Electric Vehicle Charging Pile Power Control Module
Industrial Equipment Soft Start/Safety Protection Circuit


Characteristic Description

  • 120Aswitching capability
  • Veryminimal power consumption from the coil
  • Thetemperature rise of the relay is low
  • 4KVdielectrics strength coil to contact
  • IEC-62055-31UC3 compliant
  • Outlinedimensions(42×32×21)mm
  • RoHS, CQC-compliant

Contact Data
Rated load(FLA) 120A/250VAC
Contact form 1A & 1B
Contact material AgSnO2
Initial contact resistance 2mΩ(0.1A@6vdc)
Max. switching current 120A
Max .switching voltage 250VAC
Ma x.switching power 30000VA
Electrical endurance 1x104 ops
Mechanical endurance 1x106ops

Characteristics
Insulation resistance 1000MΩ(at 500VDC)
Dielectric strength Coil to contact 4000VAC 1 min
Across open contact 2000VAC 1 min
Operate time Max.20ms
Release time Max.20ms
Shock resistance functional 100m/s2 (10g)
Shock resistance destructive 1000m/s2 (100g)
Ambient temperature -40~85℃
Humidity 98%RH, +40℃
Vibration resistance 10-55Hz, 1.5mm(DA)
Termination PCB
Unit weight 70g
Construction Dust protected

Coil Power
Coil type Pulse duration Power consumption
Single Min.50ms 2W
Dual Min.50ms 4W

Coil Data
Nominal coil voltage 6Vdc 9Vdc 12Vdc 24Vdc
Operating Voltage VDC ≤4.2 ≤6.3 ≤8.4 ≤16.8
Coil Resistance (Ω±10%)@23℃ Single coil resistance 18Ω 40.5Ω 72Ω 288Ω
Dual coil resistance 2×9Ω 2×20Ω 2×36Ω 2×144Ω


Application Notes

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, T,2 and T3 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 is different fromthe  information, please contact us.

4、The relay to the factory inspection and use should be handled to prevent damage to the factory for damaging the goods, shoud be strict distinction between the normal product and must not be used.

Huajin Technology Jiaxing Co., Ltd.
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    Established in May 2021

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    Annual exports account for about 30%

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    The company occupies an area of 8,000 square meters.

Huajin Technology Jiaxing Co., Ltd. was established in May 2021 and is located at 707 Yanyu Road, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province. It is a high-tech enterprise specializing in the research and development, production, and sales of relays. The registered capital of the company is 10 million yuan, covering an area of 8000 square meters, with more than 120 employees. The annual production capacity of magnetic latching relays is over 10 million, of which exports account for about 30%. The company has obtained ISO9001-2015 quality management system certification, and its relays have passed CCC certification, State Grid certification, TUV certification, etc. It also holds multiple technical patents. Our main products include motor relays, single-phase, two-phase, and three-phase magnetic latching relays, which have a wide variety of types and can meet various customized solutions for customers.

Honors and Qualifications
We demonstrate our commitment to quality, safety, and environmental responsibility by adhering to stringent industry standards and complying with local regulations governing our products.
  • China Compulsory Product Certification Certificate
    China Compulsory Product Certification Certificate
  • Certificate Of Conformity
    Certificate Of Conformity
  • Test report of State Grid Metrology Center Co., LTD
    Test report of State Grid Metrology Center Co., LTD
  • State Grid Three-phase
    State Grid Three-phase
  • Quality Management System Certification Certificate
    Quality Management System Certification Certificate
  • Business license
    Business license
  • Utility model patent certificate
    Utility model patent certificate
  • Utility model patent certificate
    Utility model patent certificate
  • Utility model patent certificate
    Utility model patent certificate
  • Utility model patent certificate
    Utility model patent certificate
  • Utility model patent certificate
    Utility model patent certificate
  • High-tech Enterprise Certificate
    High-tech Enterprise Certificate
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