In terms of core performance, the SRA(T74) Relay demonstrates outstanding technical strength: a low-loss design with a contact resistance of ≤100mΩ, coupled with 10⁵ electrical cycles and 10⁷ mechanical cycles, ensures stable conduction during long-term use; a wide nominal voltage range of 5-24VDC and a low-power coil configuration of 0.6W/0.8W adapt to diverse circuit scenarios; a wide operating temperature range of -40℃ to +105℃, a withstand voltage of 1500VAC between the coil and contacts, and an insulation resistance of 100MΩ, giving the product strong environmental adaptability and safety protection capabilities. The PCB terminal design, combined with Songle's integrated R&D and production system (including mold manufacturing and rubber and plastic processing) and the large-scale guarantee of an annual production capacity of 200 million units, allows the product to provide customers with a relay solution that combines quality and cost-effectiveness while ensuring ease of installation.
Tight structure and light weight
High current contact capacity(Carrying current: 35A/10min25A/1h)
Improved heat resistance
| Item | Parameters |
| Contact arrangement | A/B/C |
| Contact rating | 10A 125VAC, 10A/20A 14VDC |
| Contact resistance | ≤100mΩ |
| Electrical endurance | 10⁵ / 10⁴ |
| Mechanical endurance | 10⁷ |
| Item | Parameters |
| Nominal voltage | 5–24VDC |
| Power dissipation | 0.6W, 0.8W |
| Pick-up voltage(Max) | 75% of nominal voltage |
| Drop-out voltage(Min) | 10% of nominal voltage |
| Item | Parameters |
| Ambient temperature(℃) | −40℃~+85℃/+105℃ |
| Dielectric strength (Between coil and contacts) (1min) | 1500VAC |
| Dielectric strength (Between open contacts) (1min) | 1000VAC |
| Insulation resistance (500VDC) | 100MΩ |
| Wiring diagram (Bottom view) |
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| Installation hole drawing (Bottom view) | |
| Termination | P.C.B. |
| Weight | 6g |
| Safety approval |
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Address
CW7, Area A, Zhejiang Yuandong Industrial City, Yuyao City, Zhejiang Province, China
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