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Home / Product / Relay for DIN rail meter / Three-phase DIN rail mounted relay / HJE31B-100A Split-Type Latching Relay for 7P DIN Rail Meter

HJE31B-100A Split-Type Latching Relay for 7P DIN Rail Meter

Product Definition: The HJE31B-100A is a split-type 7P DIN rail relay designed specifically for three-phase power systems. It features current monitoring, relay protection, and energy metering functions, and is widely used in high-load power environments. Its split-type design facilitates flexible installation and maintenance, making it an indispensable protection and metering device in power systems.

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Core Advantages:

High Current Capacity: Supports high-current monitoring and protection up to 100A, suitable for high-current applications in industrial and commercial settings.

Accurate Metering: High-precision current detection and energy metering ensure the reliability and accuracy of power data.

Split Design, Flexible Installation: The split-type design enhances installation convenience and adapts to various installation needs. The 7P wiring method offers greater flexibility, meeting the power management requirements of different systems.

High Stability: Resistant to high temperatures, high humidity, and strong electromagnetic interference, ensuring long-term stable operation and reducing maintenance frequency and costs.

Application Scenarios:

Industrial Power Systems: Widely used for power monitoring and protection of high-current industrial equipment such as heavy machinery and production lines.

Commercial Buildings: Suitable for three-phase power metering and safety management in buildings, shopping malls, and other similar locations. Energy monitoring: Provides power companies with accurate current monitoring and fault alarms to ensure the safe and efficient operation of the power system.


Characteristic Description

  • 100Aswitching capability
  • Veryminimal power consumption from the coil
  • 4KVdielectrics strength coil to contact
  • IEC-62055-31UC2 compliant
  • Outlinedimensions(38.5×30×16.5)mm
  • RoHS, CQC-compliant

Contact Data
Rated load(FLA) 100A/250VAC
Contact form 1A & 1B
Contact material AgSnO2
Initial contact resistance 2mΩ(0.1A@6vdc)
Max. switching current 100A
Max .switching voltage 250VAC
Ma x.switching power 20000VA
Electrical endurance 6x103 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 45g
Construction Dust protected

Coil Power
Coil type Pulse duration Power consumption
Single Min.50ms 1W
Dual Min.50ms 2W

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 36Ω 80Ω 144Ω 576Ω
Dual coil resistance 2×18Ω 2×40Ω 2×72Ω 2×288Ω


Application Notes

1、All relays are shipped in the “closed” position. It is possible that during transit or final assembly,y 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 different from information,shoud be 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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