This document is a HONGFA RELAY General Purpose Power Relays product manual, which introduces the product's features and characteristics, including product type, model, working voltage, current, contact capacity, ambient temperature, and service life.
The HF420 miniature intermediate power relay from Hongfa offers a life expectancy of over 100 million operations and a rugged construction for high reliability. It is available in dry‑circuit contacts rated 2 A, 3 A or 7.5 A, with both unsealed and sealed versions (2‑, 4‑ or 6‑pole).
The document provides detailed contact and coil specifications, ordering information for various configurations, and mechanical drawings including outline dimensions, wiring diagrams and PCB layouts for each pole type.
| Life expectancy | greater than 100 million operations |
|---|---|
| Maximum switching power | 870 VA / 225 W |
| Contact rating A | 2 A 26 VDC / 115 VAC |
The maximum switching power is 870 VA (225 W).
Contact rating A is 2 A at 26 VDC/115 VAC, B is 3 A at 28 VDC/115 VAC, C is 5 A at 26 VDC/115 VAC, and D is 7.5 A at 28 VDC/115 VAC.