The FH23L is a high performance electric latching relay designed for smart meters, compound switches and new energy applications. With a powerful switching capacity of 80A and excellent electrical performance, the FH23L maintains stable operation in harsh environments and meets the requirements of IEC62055-31:2005 UC2 standard.

Core Advantages

Energy efficient: Magnetic retention design requires electrical energy only during switching state, significantly reducing energy consumption

Ultra load: 80A maximum switching current, 15,000VA switching capacity, meets high power demand

Long-lasting: Mechanical life up to 100,000 cycles, electrical life 5,000 cycles (UC2 standard)

Compact design: Compact size of 38.0 x 30.0 x 16.5mm, easy for automation Installation

Environmental Compliance: RoHS compliant, green product

Technical Parameter Highlights

Electrical Characteristics

Contact Resistance: ≤1.0mΩ (initial value)

Insulation Resistance: 1000MΩ (500VDC)

Voltage Withstand Strength: 2000VAC (1 minute)

Switching Time: ≤20ms (close/disconnect)

Environmental Adaptation

Operating Temperature: -40℃~85℃ Wide Temperature Range

Humidity Range: 5% ~85%RH

Vibration Resistance: 10Hz~55Hz, 1.5mm amplitude

Impact Resistance: Functional 98m/s²(10g), Destructive 980m/s²(100g)

Versatile Configurations

The FH23L provides flexible configuration options to meet the needs of different applications:

Coil Type Options

Single Coil Version: space saving, simplify wiring

Dual Coil Version: independent control of opening and closing, more reliable operation Reliable

Voltage specification

Supports a variety of DC voltages: 6V/9V/12V/24V, each voltage specification provides detailed blocking/releasing voltage parameters

Optional accessories

External accessories such as manganese-copper shunts and transformers are available according to customers' requirements

Typical application scenarios

Smart metering system: precise control, low energy consumption operation

New energy equipment: solar inverters, wind power control system

Composite switching device: high reliability Circuit switching

Smart home system: DIN-rail mounting, space saving

Installation and use recommendations

Recommended driving voltage is 1~1.5 times of the rated voltage

Pulse width ≥50ms, avoid prolonged energisation (more than 1 minute)

Spot soldering is recommended for the load terminals, avoid reflow soldering or wave soldering

Confirm the status of the relays before use, and reset if necessary

Customised service

FH23L supports personalised customisation, including Contact material, PCB mounting type, coil configuration, etc. Our engineering team can provide you with professional technical support and solutions.

Contact us today for the optimal configuration of FH23L electric latching relays, providing reliable switching solutions for your smart meter and new energy projects!

The FH23L Latching Relay delivers high-performance switching with 80A capacity and 15000VA rating, featuring energy-efficient operation (zero power in steady state) and extended lifespan (100,000 mechanical operations). Its compact 38×30×16.5mm design withstands extreme temperatures (-40℃ to 85℃), making it ideal for smart meters, renewable energy systems, and industrial automation. Available in single/dual coil configurations (6-24VDC) with custom accessory options, this RoHS-compliant, ISO-certified relay offers reliable power control.