{
  "id": "4-channel-relay-module-5v",
  "name": "4 Channel Relay Module 5v",
  "name_zh": "4路繼電器模組 (5V)",
  "category": "module/relay",
  "summary_zh": "繼電器(Relay) 是一種電流控制模組，具有輸入迴路和輸出迴路，常用於自動控制電路中，能夠把較小的電流去控制較大電流的一種「自動開關」。在電路中起著自動調節、安全保護、轉換電路等作用。",
  "specs": {
    "voltage_v": {
      "typ": 5
    },
    "current_ma": {
      "typ": 100
    },
    "chip": [
      "T73-5V SRD-5VDC-SL-C 5-Pin Power Relay"
    ],
    "dimensions_mm": {
      "l": 75,
      "w": 55,
      "h": 19.3
    },
    "weight_g": 61
  },
  "pins": [
    {
      "name": "VCC",
      "type": "power",
      "description": "5V supply"
    },
    {
      "name": "IN1",
      "type": "input",
      "description": "Relay 1 control, active-low"
    },
    {
      "name": "IN2",
      "type": "input",
      "description": "Relay 2 control, active-low"
    },
    {
      "name": "IN3",
      "type": "input",
      "description": "Relay 3 control, active-low"
    },
    {
      "name": "IN4",
      "type": "input",
      "description": "Relay 4 control, active-low"
    },
    {
      "name": "GND",
      "type": "ground"
    },
    {
      "name": "JD-VCC",
      "type": "power",
      "description": "繼電器線圈供電(拔 jumper 可光耦隔離)"
    },
    {
      "name": "COM1",
      "type": "output",
      "description": "繼電器 1 公共觸點"
    },
    {
      "name": "NO1",
      "type": "output",
      "description": "繼電器 1 常開觸點"
    },
    {
      "name": "NC1",
      "type": "output",
      "description": "繼電器 1 常閉觸點"
    },
    {
      "name": "COM2",
      "type": "output",
      "description": "繼電器 2 公共觸點"
    },
    {
      "name": "NO2",
      "type": "output",
      "description": "繼電器 2 常開觸點"
    },
    {
      "name": "NC2",
      "type": "output",
      "description": "繼電器 2 常閉觸點"
    },
    {
      "name": "COM3",
      "type": "output",
      "description": "繼電器 3 公共觸點"
    },
    {
      "name": "NO3",
      "type": "output",
      "description": "繼電器 3 常開觸點"
    },
    {
      "name": "NC3",
      "type": "output",
      "description": "繼電器 3 常閉觸點"
    },
    {
      "name": "COM4",
      "type": "output",
      "description": "繼電器 4 公共觸點"
    },
    {
      "name": "NO4",
      "type": "output",
      "description": "繼電器 4 常開觸點"
    },
    {
      "name": "NC4",
      "type": "output",
      "description": "繼電器 4 常閉觸點"
    }
  ],
  "attributes": {
    "繼電器": "Songle",
    "最大輸出電流": "2A",
    "最大輸出電壓": "240VAC",
    "負載": "250V10A交流 或 30V10A直流",
    "控制信號的輸入電壓": "0-2.5V（低電平狀態）繼電器將被打開；3-5V（高電平狀態），繼電器將被關閉。",
    "觸發": "低電平時觸發。"
  },
  "assets": {
    "schematic": {
      "files": [
        "schematic.jpeg"
      ],
      "license": "CC-BY-4.0",
      "source": "original"
    },
    "photos": {
      "files": [
        "photos/01.jpeg",
        "photos/02.jpeg",
        "photos/03.jpeg",
        "photos/04.jpeg",
        "photos/05.jpeg",
        "photos/06.jpeg",
        "photos/07.jpeg"
      ],
      "license": "CC-BY-4.0",
      "source": "original"
    }
  },
  "source_images": [
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  "product_id": "52109",
  "updated_at": "2026-09-12"
}