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HJE21A-60A Compliant with UC2 Dual Channel Latching Relay

Product Overview: This product is a high-efficiency, energy-saving relay with dual-channel independent control capabilities. Utilizing magnetic latching technology, the product maintains its contact position without continuous power supply after state switching, achieving zero-power operation. It is particularly suitable for energy-saving systems requiring long-term energized operation.

Product Highlights:

Dual-Channel Independent Control: Two sets of 60A contacts can be operated independently, enabling more flexible circuit management.

Zero-Power Holding: The magnetic latching structure ensures that no power is needed to maintain the contact position after state switching, resulting in significant energy savings.

High Reliability Design: Compliant with UC2 electrical standards, shock-resistant, and adaptable to harsh industrial environments.

Compact and Efficient Structure: Optimized space layout, accommodating dual-channel high-current control capabilities within a limited volume.

Typical Applications: Dual-channel load control in smart meters, dual MPPT circuit management in photovoltaic power generation, dual-channel charge/discharge control in energy storage systems, dual-gun control in electric vehicle charging piles, and automation systems requiring multi-channel independent control. This product provides an efficient and reliable solution for energy-saving applications requiring dual-channel high-current control.

Characteristic Description

Twophase two sets of contact with 60A switching capability
Veryminimal power consumption from the coil
Loadlead-out mode: 1 input 4 output, 2 input 3 output
4KVdielectrics strength coil to contact
IEC-62055-31UC2 compliant
Outlinedimensions(54.65×28×18)mm
RoHScompliant

Contact Data
Rated load(FLA)	60A/250VAC
Contact form	2A & 2B
Contact material	AgSnO₂
Initial contact resistance	2mΩ（0.1A@6vdc)
Max. switching current	60A
Max .switching voltage	250VAC
Ma x.switching power	15000VA
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		80g
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	40Ω	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,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, T2, and T3 at the same time on a dual coil, or energize the coil for longer than 1 minute (damage to the coil could occur).

3、Relays have polarity. If the user’s needis different from the 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, there should be a strict distinction between the normal product, and it must not be used.

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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.