SRSB(4102) Relay enhancing the accuracy and stability of circuit control to meet stringent start-stop control requirements. From a procurement perspective, the product meets reinforced insulation standards and UL F-level insulation systems, achieving safety compliance without the need for additional protective components, thus shortening project certification cycles. The standard PCB terminal design simplifies assembly processes, and its ultra-lightweight 5.8g design facilitates lightweight upgrades in end products. Leveraging Songle's massive production capacity of 200 million units and its comprehensive quality control chain from mold manufacturing to rubber and plastic processing to finished product inspection, each product maintains consistent high quality and stable supply capabilities. Coupled with globally synchronized professional after-sales support, this allows buyers to achieve a win-win situation in the three core dimensions of "safety compliance, cost control, and delivery efficiency."
5A/10A switching capability
Dielectric strength 4kV (between coil and contacts)
Meet reinforce insulation
UL insulation system: Class F
Standard PCB layout
| Parameter | Specification |
| Contact arrangement | A |
| Contact rating | 5A/10A 250VAC; 10A 125VAC/30VDC |
| Contact resistance | ≤100mΩ |
| Electrical endurance | 10⁵ / 10⁴ |
| Mechanical endurance | 10⁷ |
| Parameter | Specification |
| Nominal voltage | 3–24VDC |
| Power dissipation | 0.2W, 0.45W |
| Pick-up voltage(Max) | 75% of nominal voltage |
| Drop-out voltage(Min) | 5% of nominal voltage |
| Parameter | Specification |
| Ambient temperature | –40°C~+85°C/+105°C |
| Dielectric strength (Between coil and contacts) | 4000VAC (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 | 5.8g |
| Safety approval |
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Address
CW7, Area A, Zhejiang Yuandong Industrial City, Yuyao City, Zhejiang Province, China
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