WHADDA 8-Channel USB Relay Card for PC Control
Control up to 8 relays via USB with WHADDA's PC-compatible relay card. Features VDR noise suppression & 16A capacity.
The WHADDA 8-Channel USB Relay Card enables seamless remote control of up to eight relays directly from your computer via USB. This versatile relay card is supplied fully assembled and tested, ensuring reliability right out of the box.
Key Features:
- Multi-Control Options: Supports manual operation with toggle, momentary, or timer functions, selectable via software. The card also features onboard pushbuttons for testing and operating relays.
- High Compatibility: Works with Windows PCs and features two-way USB communication with an event return option. Open protocols ensure flexibility for various applications.
- Robust Performance: Each relay can handle up to 16A (resistive load), with transient suppression VDRs protecting against inductive load noise.
- Easy Monitoring: LED indicators provide clear status updates for power and relay actions.
- Power Options: The card operates with a 9-10V AC or 12-14V DC power supply (500mA), offering versatility in different setups.
Specifications:
- Dimensions (HxWxD): 30 x 160 x 107 mm
Ideal for automation projects, smart home setups, or industrial applications, this relay card combines ease of use with professional-grade functionality.
- Automation projects
- Smart home systems
- Industrial control panels
- Remote switching setups
- Channels: 8
- Max Load per Relay: 16A (resistive)
- Noise Suppression: VDR for inductive loads
- Control Modes: Toggle, Momentary, Timer (software-selectable)
- Communication: USB (two-way with event return)
- Indicator LEDs: Power and relay status
- Power Supply: 9-10V AC or 12-14V DC (500mA)
- Dimensions: 30 x 160 x 107 mm
- Weight: 420g
Always follow local regulations and product guidance. Use appropriate PPE.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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