The FH22L electric latching relay is a high-performance control device created by Zhejiang Fanhar Electronics for smart meters, renewable energy systems, and intelligent home applications. This relay utilizes superior magnetic retention technology, enabling it to switch and maintain the contact state with mere instantaneous pulses, eliminating the necessity for a continuous power supply, hence offering substantial energy-saving benefits. The dimensions of 39.0 x 30.0 x 18.5mm optimize installation space and enhance automated production integration. The product integrates advanced electromagnetic holding technology with a dependable contact system design, offering an energy-efficient solution for contemporary power control systems as a fundamental element in intelligent control.
100A high current switching capability: satisfies the requirements of high current applications.
High withstand voltage: breakdown voltage of up to 4KV between contact and coil
Low contact resistance: ≤1.0mΩ (6VDC 1A) to ensure high performance transmission
AgSnO₂ contact material: provides excellent arc resistance and long life
Single and dual coil versions are available to adapt to different control needs Multiple voltage ratings: DC 6V/9V/12V/24V available
Two PCB mounting types: Type A and Type B for easy system integration
Customisable accessories: external accessories such as manganese-copper shunts and transformers can be ordered according to customers' requirements
Mechanical life: up to 1 x 10⁶ operations
Electrical life: 5000 operations (100A 250VAC)
Wide operating temperature range: -40°C to 85°C, adaptable to harsh conditions. 40℃~85℃, adaptable to harsh environments
Anti-interference design: consistent performance and resistance to industrial frequency interference
Because of its accurate control performance and energy-saving features, the FH22L has emerged as a key component of smart meters in the field of smart grids. It can realise accurate power metering and remote control, providing reliable support for modern distribution network automation.
New energy applications are another important market for FH22L. In photovoltaic power generation systems, it can stably control high-current circuits; in wind power generation equipment, its wide-temperature operating characteristics ensure reliable operation in harsh environments; and in energy storage systems, it plays a key role in circuit switching and protection.
The FH22L's performance aids industrial automation. For PLC control systems, automated manufacturing lines, and industrial robots, relays provide robust and reliable control. Small size and low power consumption make the FH22L excellent for smart home power distribution systems and appliance management.
Conforms to IEC62052-31:2005 UC2/UC3 standards
RoHS compliant environmentally friendly product
ISO9001 and ISO14001 certified company
Energy-efficient: Power is only needed for the magnetic retention system to switch; no energy is needed for the holding state.
Compact design: tiny size for installation in high densities
Automation-friendly: production and installation may be easily automated
High Dependability: Product quality is ensured by rigorous production standards and extensive testing.
The FH22L is available in a wide range of configuration options, including contact arrangement, PCB mounting type, coil type and polarity.
For more technical details or customisation requirements, please contact our technical support team.
