Description
Specifications
| Category | Specification |
|---|
| Product Name | 2-Channel Relay Module |
| Model | OKY3012-3 |
| Brand | OEM |
| Board Color | Red |
| Operating Voltage (Logic) | 5 V – 12 V DC (jumper selectable) |
| Number of Relays | 2 |
| Relay Type | Electromechanical relay (SPDT) |
| Trigger Type | Supports both high-level and low-level trigger |
| Input Logic Level | TTL compatible |
| Relay Coil Voltage | Matches logic voltage (5–12 V) |
| Control Signal | 2 × digital input pins |
| Contact Configuration | SPDT (COM, NO, NC per channel) |
| Maximum Switching Voltage | 250 V AC / 30 V DC (typical — check relay spec) |
| Maximum Switching Current | ~10 A (AC/DC, model dependent) |
| Isolation | Optical isolator (depends on board design) |
| Indicator LEDs | Channel status LEDs |
| Mounting Holes | Yes (for panel / chassis mounting) |
| Terminal Blocks | Screw terminal blocks for COM/NO/NC |
| Protection Diodes | Included (flyback diodes for coil) |
| Operating Temperature | ~−10 °C to +60 °C |
| Application | Microcontroller / Arduino / Raspberry Pi relay control |