The FH42L is a high-performance, environmentally friendly relay designed for application scenarios such as smart home, lighting control and power instrumentation. With its compact size and excellent electrical performance, the FH42L demonstrates excellent reliability and durability in a variety of automation control systems.
Robust switching capability: 16A/20A rated load at 250VAC, with a maximum switching capacity of 4000VA.
High sensitivity design: requires only 250mW of coil power for operation, ensuring energy efficiency and conservation.
Ultra-slim profile: just 15.8mm in height, space-efficient design
Environmental Compliance: Adheres to RoHS standards, utilising eco-friendly products.
Double Insulation: UL Class F insulation system, 5KV between contacts and coil.
Versatile options: Single coil and dual coil latching versions are available.
Contact material: AgSnO₂ (silver tin oxide), contact resistance ≤ 50mΩ.
Insulation performance: initial insulation resistance 1000MΩ (500VDC)
Dielectric strength: 1000VAC between disconnected contacts, 4000VAC between coil and contacts
Response time: setup/reset time ≤15ms
Seismic performance: Functional seismic 980m/s².
Durability: mechanical life up to 1 × 10⁶ times operation
Environmental adaptability: operating temperature range -40 ℃ ~ 85 ℃, humidity 5% - 90%
FH42L offers a wide selection of voltage specifications (3V/5V/6V/9V/12V/24V DC) to meet different application requirements:
Single coil latching type: low power consumption design, rated current from 10.4mA (DC24V) to 83.3mA (DC3V)
Dual coil latching type: Independent set/reset control, rated current from 20.8mA (DC24V) to 166.7mA (DC3V).
The FH42L relay is particularly suitable for:
Smart home control systems
Lighting control solutions
Power metering equipment
Industrial automation equipment
Other electronic systems requiring high reliability switching
The FH42L has passed a number of international safety certifications:
CQC certification (CQC18002203863)
UL/C-UL certification (E475405)
Conforms to many international standards
Zhejiang Fanhar Electronics Co., Ltd. is committed to providing high quality relay products. All FH42L relays are rigorously tested to ensure stable operation under various environmental conditions. We recommend using plastic-sealed models in polluted environments and solder-proof models in clean environments for optimal performance.
Choose FH42L relays for a reliable, efficient switching solution for your electronic control system!
