The SRD48VDCSLC is a highreliability 5-pin power relay featuring SPDT (Single Pole Double Throw) contacts with 10A switching capacity at 250VAC. This versatile relay is ideal for industrial automation, building control, security systems, and IoT projects requiring a 48V DC coil voltage [citation:2][citation:10].
| Parameter | Value |
|---|---|
| Model | SRD48VDCSL-C |
| Coil Voltage | 48V DC |
| Coil Current | 7.5mA |
| Coil Resistance | 6400Ω ±10% |
| Coil Power | 0.36W |
| Contact Form | SPDT (1 Form C) |
| Contact Rating | 10A @ 250VAC / 10A @ 30VDC [citation:2] |
| Max Switching Power | 3750VA [citation:7] |
| Contact Resistance | ≤100mΩ [citation:1] |
| Operate/Release Time | ≤10ms [citation:1] |
| Insulation Resistance | ≥100MΩ (500VDC) [citation:1] |
| Dielectric Strength | 1500VAC (coil to contacts) [citation:1] |
| Operating Temperature | -40°C to +85°C [citation:1] |
| Dimensions | 19.2 x 15.6 x 15.8mm [citation:7] |
| Weight | ~9g [citation:1] |
| Package | Sealed type (S) [citation:6] |
= Key Features =
SPDT Contact Form - Single Pole Double Throw (1 Form C) with 5 pins allows switching between two output paths [citation:10]
10A Switching Capacity Compact design with 10A current rating at 250VAC, suitable for highpower devices [citation:1][citation:10]
Sealed Construction Fluxsealed blue housing protects against oxidation and solder flux during PCB assembly [citation:1][citation:10]
Global Safety Approvals - UL, CUL, TUV, and CQC certified for international compliance [citation:6][citation:10]
Fast Response Time - Operate and release time ≤10ms for rapid switching [citation:1]
Wide Operating Temperature Reliable operation from 40°C to +85°C [citation:1]
| Pin | Function | Description |
|---|---|---|
| 1 | Coil (+) - Pin 1 | Positive coil terminal (48V DC) |
| 2 | Coil () Pin 2 | Negative coil terminal (GND) |
| 3 | COM | Common terminal [citation:10] |
| 4 | NC | Normally Closed (connected when coil unpowered) [citation:10] |
| 5 | NO | Normally Open (connected when coil powered) [citation:10] |
> The 5-pin configuration allows choosing between NO and NC connections [citation:10]
√ Compatible with 48V control systems and PLCs
√ Standard PCB through-hole mounting
√ Proven Songle quality and reliability [citation:10]
√ Drop-in replacement for other 48V SPDT relays
The SRD48VDCSLC relay provides reliable, highcurrent switching in a compact form factor. With SPDT contacts, 10A capacity, and global safety approvals, it's the perfect choice for industrial automation, building control, and DIY projects.
SRD48VDC RELAY 5PIN SPDT SONGLE INDUSTRIALCONTROL AUTOMATION 10A 250VAC PCBMOUNT POWERRELAY IOT New Best Seller SRD48VDCSL-C