


Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Relays/Power Relays | |
| Manufacturer | NBC | |
| Package | Plugin | |
| Operating Temperature | -40℃~+85℃ | |
| Switching Voltage(Max) | 60V@DC、220V@AC | |
| Coil Resistance | 20Ω | |
| Contact Form | One set changeover: 1C (SPDT - changeover) | |
| Coil Rated Power | 450mW | |
| Length | 15.5mm | |
| Operate Time | 5ms | |
| Switching Current(Max) | 5A | |
| Coil Voltage | 3V | |
| Contact Material | AgNi | |
| Release Time | 5ms | |
| Height | 11.5mm | |
| Contact Rating | 1A@125VAC、2A@125VAC、3A@125VAC、5A@125VAC | |
| Contact Resistance | 100mΩ | |
| Width | 11mm |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
BS4-3S-C20 3A technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Relays/Power Relays | |
| Manufacturer | NBC | |
| Package | Plugin | |
| Operating Temperature | -40℃~+85℃ | |
| Switching Voltage(Max) | 60V@DC、220V@AC | |
| Coil Resistance | 20Ω | |
| Contact Form | One set changeover: 1C (SPDT - changeover) | |
| Coil Rated Power | 450mW | |
| Length | 15.5mm | |
| Operate Time | 5ms | |
| Switching Current(Max) | 5A | |
| Coil Voltage | 3V | |
| Contact Material | AgNi | |
| Release Time | 5ms | |
| Height | 11.5mm | |
| Contact Rating | 1A@125VAC、2A@125VAC、3A@125VAC、5A@125VAC | |
| Contact Resistance | 100mΩ | |
| Width | 11mm |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the BS4-3S-C20 3A. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

BS4-3S-C20 3A datasheets or manufacturer documentation.
The BS4-3S-C20 3A schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.