The SMIA(14FA) Relay's core breakthrough advantages are concentrated in the triple empowerment of "high-voltage protection + heavy load + compliant design": A 20A ultra-large switching capacity easily handles the high-power conduction requirements of heavy industrial equipment and high-power electronic terminals, completely solving the pain points of contact erosion and conduction interruption under high loads of traditional relays; dual-level high-voltage protection with 5kV coil and contact dielectric strength + 10kV pulse withstand voltage, coupled with an 8mm ultra-long creepage distance, far exceeding industry standard safety standards, fundamentally avoiding the risk of high-voltage breakdown and leakage, perfectly meeting the compliance requirements of high-safety-level scenarios such as medical equipment, industrial control, and high-end power supplies; a standardized PCB & QC layout design, balancing installation compatibility and testing convenience, making high-density circuit integration more efficient, while a wide operating temperature range of -40℃ to +85℃ adapts to stable operation requirements under extreme conditions.
20A switching capability
5kV dielectric strength(between coil and contacts)
10kV impulse withstand voltage(between coil and contacts)
Creepage distance: 8mm
PCB & QC layouts
| Parameter | Specification |
| Contact arrangement | A/B/C |
| Contact rating | 16A 250VAC/30VDC; TV-5 120VAC |
| Contact resistance | ≤50mΩ |
| Electrical endurance | 10⁵ / 10⁴ |
| Mechanical endurance | 10⁷ |
| Parameter | Specification |
| Nominal voltage | 5–48VDC |
| Power dissipation | 0.54W, 0.72W |
| Pick-up voltage(Max) | 80% of nominal voltage |
| Drop-out voltage(Min) | 5% of nominal voltage |
| Parameter | Specification |
| Ambient temperature | –40°C~+85°C |
| Dielectric strength (Between coil and contacts) | 5000VAC (1min) |
| Dielectric strength (Between open contacts) | 1000VAC (1min) |
| Insulation resistance (500VDC) | 1000MΩ |
| Wiring diagram (Bottom view) |
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| Installation hole drawing (Bottom view) | |
| Termination | P.C.B. |
| Weight | 17g |
| Safety approval |
Address
CW7, Area A, Zhejiang Yuandong Industrial City, Yuyao City, Zhejiang Province, China
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