CT Clamp Sensor SCT013G
Meet UL94-V0 flame retardant properties
Two form of output current,
Voltage (voltage output built-in the sampling resistor)
Non-linearity +/-3%(10%-120% rated input current)
Reference project: Open Energy Monitor
Core Material: Ferrite
Dielectric Strength:6000V AC/1min
Anti-flaming rate:UL94-V0
Mechanical strength: opening and closing times, no less than 1000 times (20 Celsius)
Opening Size: Approx. 0.51 x 0.51inch / 13 x 13mm
Dielectric Strength:6000V AC/1min
Working Temperature:-25-70 Celsius
Cable Length: Approx. 41.37 inch / 105cm
Application:
Suitable for lighting equipment, AC motors, air compressors, monitoring, current measurement, and protection
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.
Meet UL94-V0 flame retardant properties
Two form of output current,
Voltage (voltage output built-in the sampling resistor)
Non-linearity +/-3%(10%-120% rated input current)
Reference project: Open Energy Monitor
Core Material: Ferrite
Dielectric Strength:6000V AC/1min
Anti-flaming rate:UL94-V0
Mechanical strength: opening and closing times, no less than 1000 times (20 Celsius)
Opening Size: Approx. 0.51 x 0.51inch / 13 x 13mm
Dielectric Strength:6000V AC/1min
Working Temperature:-25-70 Celsius
Cable Length: Approx. 41.37 inch / 105cm
Application:
Suitable for lighting equipment, AC motors, air compressors, monitoring, current measurement, and protection
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.
I. Firmware Options and Features
| Solution | Ideal For | Key Advantages |
|---|---|---|
| 1. KCS v3 Firmware (Recommended) | Beginners / Zero-Code Users | ✔ Auto-detects Home Assistant via MQTT (no config files) ✔ Works with Tuya App + Alexa/Google Voice Control ✔ Local IFTTT automation (no internet needed) ✔ 2-year free KinCony Cloud (official store only) ✔ Apple HomeKit support (one-tap setup) |
| 2. ESPHome Firmware | Home Assistant Enthusiasts | ✔ Full open-source customization ✔ Web UI + HA deep integration ✔ Full YAML examples |
| 3. Tasmota Firmware | Open-Source Community | ✔ Massive plugin ecosystem ✔ MQTT/Web control + rule engine |
| 4. Arduino/ESP-IDF Custom Code | Developers | ✔ Full Arduino demos ✔ Supports MicroPython/ESP-IDF |
| 5. Hybrid Setup (Best Practice) | Advanced Users | Tuya App (remote via internet) + Home Assistant (local via LAN) – Security + convenience |
II. Technical Resources by Product
Direct links to pin definitions, ESPHome configurations, Arduino demo source codes, and KCS firmware. All open-source and maintained on GitHub.
| Model | KCS Firmware | Pin Definitions | ESPHome (YAML) | Arduino Demos |
|---|---|---|---|---|
|
F4
4‑ch relay · 4 inputs
ADS1115 |
📦 kcs_{KCS_VERSION}.bin | 📄 F4_pin_definition.md |
🔹 with Tuya Tuya module
🔸 without Tuya Ethernet/WiFi only
|
📁 F4/ (11 examples) |
|
F8
8‑ch relay · 8 inputs
PCF8575 |
📦 kcs_{KCS_VERSION}.bin | 📄 F8_pin_definition.md |
🔹 with Tuya Tuya module
🔸 without Tuya Ethernet/WiFi only
|
📁 F8/ (11 examples) |
|
F16
16‑ch relay · 16 inputs
PCF8575 |
📦 kcs_{KCS_VERSION}.bin | 📄 F16_pin_definition.md |
🔹 with Tuya Tuya module
🔸 without Tuya Ethernet/WiFi only
|
📁 F16/ (11 examples) |
|
F24
24‑ch relay · 24 inputs
3×PCF8575 |
📦 kcs_{KCS_VERSION}.bin | 📄 F24_pin_definition.md |
🔹 with Tuya Tuya module
🔸 without Tuya Ethernet/WiFi only
|
📁 F24/ (12 examples) |
|
F32
32‑ch relay · 32 inputs
3×PCF8575 |
📦 kcs_{KCS_VERSION}.bin | 📄 F32_pin_definition.md |
🔹 with Tuya Tuya module
🔸 without Tuya Ethernet/WiFi only
|
📁 F32/ (11 examples) |
| Model | KCS Firmware | Pin Definitions | ESPHome (YAML) | Arduino Demos |
|---|---|---|---|---|
|
T16M
16‑ch relay + 16 inputs
single I2C bus |
📦 kcs_{KCS_VERSION}.bin | 📄 T16M_pin_definition.md | 📁 T16M/ (6 examples) | |
|
T32M
32‑ch relay + 32 inputs
dual I2C bus |
📦 kcs_{KCS_VERSION}.bin | 📄 T32M_pin_definition.md | 📁 T32M/ (7 examples) | |
|
T64M
64‑ch relay + 64 inputs
dual I2C buses |
📦 kcs_{KCS_VERSION}.bin | 📄 T64M_pin_definition.md | 📁 T64M/ (8 examples) | |
|
T128M
128‑ch relay + 128 inputs
dual I2C buses |
📦 kcs_{KCS_VERSION}.bin | 📄 T128M_pin_definition.md | 📁 T128M/ (8 examples) | |
|
TA
Thermostat Adapter
|
📦 kcs_{KCS_VERSION}.bin | 📄 TA_pin_definition.md | 📁 TA/ (11 examples) |
🔸 v2 high‑precision ESPHome configs (0.001 kWh) require ARM CPU firmware ≥ V20_260305SP.
| Model | KCS Firmware | Pin Definitions | ESPHome (YAML) | Arduino Demos |
|---|---|---|---|---|
|
N10
10‑ch energy meter
|
📦 kcs_{KCS_VERSION}.bin | 📄 N10_pin_definition.md |
🔹 N10_esphome.yaml v1 (1 kWh)
🔸 N10_esphome_v2.yaml v2 (0.001 kWh)
v2 require ARM CPU firmware ≥ V20_260305SP. |
📁 N10/ (5 examples) |
|
N20
20‑ch energy meter
|
📦 kcs_{KCS_VERSION}.bin | 📄 N20_pin_definition.md |
🔹 N20_esphome.yaml v1 (1 kWh)
🔸 N20_esphome_v2.yaml v2 (0.001 kWh)
v2 require ARM CPU firmware ≥ V20_260305SP. |
📁 N20/ (5 examples) |
|
N30
30‑ch energy meter
|
📦 kcs_{KCS_VERSION}.bin | 📄 N30_pin_definition.md |
🔹 N30_esphome.yaml v1 (1 kWh)
🔸 N30_esphome_v2.yaml v2 (0.001 kWh)
v2 require ARM CPU firmware ≥ V20_260305SP. |
📁 N30/ (5 examples) |
|
N60
60‑ch energy meter
|
📦 kcs_{KCS_VERSION}.bin | 📄 N60_pin_definition.md |
🔹 N60_esphome.yaml v1 (1 kWh)
🔸 N60_esphome_v2.yaml v2 (0.001 kWh)
v2 require ARM CPU firmware ≥ V20_260305SP. |
📁 N60/ (5 examples) |
| Model | KCS Firmware | Pin Definitions | ESPHome (YAML) | Arduino Demos |
|---|---|---|---|---|
|
DM4
4‑ch digital input module
|
📦 kcs_{KCS_VERSION}.bin | 📄 DM4_pin_definition.md |
🔸 without Tuya Ethernet/WiFi only
|
📁 DM4/ (11 examples) |
|
DM8
8‑ch digital input module
|
📦 kcs_{KCS_VERSION}.bin | 📄 DM8_pin_definition.md |
🔸 without Tuya Ethernet/WiFi only
|
📁 DM8/ (11 examples) |
|
DM16
16‑ch digital input module
|
📦 kcs_{KCS_VERSION}.bin | 📄 DM16_pin_definition.md |
🔹 with Tuya Tuya module
🔸 without Tuya Ethernet/WiFi only
|
📁 DM16/ (11 examples) |
|
DM32
32‑ch digital input module
|
📦 kcs_{KCS_VERSION}.bin | 📄 DM32_pin_definition.md |
🔸 without Tuya Ethernet/WiFi only
|
📁 DM32/ (11 examples) |
| Model | KCS Firmware | Pin Definitions | ESPHome (YAML) | Arduino Demos |
|---|---|---|---|---|
|
G1
Gateway controller
|
📦 kcs_{KCS_VERSION}.bin | 📄 G1_pin_definition.md | Not supported | 📁 G1/ (11 examples) |
|
AIO Hybrid
All‑in‑one hybrid controller
RF433 · Zigbee · IR · DAC |
📦 kcs_{KCS_VERSION}.bin | 📄 AIO_Hybrid_pin_definition.md |
🔹 with Tuya Tuya module
🔸 without Tuya Ethernet/WiFi only
|
📁 AIO Hybrid/ (13 examples) |