ThinkGrow OPA-2 Smart Junction Box

★★★★★ 5.0 117 reviews

$133.33
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$133.33
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Free shipping Free 30-day returns

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Product details

Management number 232351135 Release Date 2026/06/21 List Price $46.67 Model Number 232351135
Category

The ThinkGrow Smart Junction Box 2 (OPA-2) is an electronic circuit breaker and energy meter designed to monitor and control electrical parameters such as voltage, current, power, and power factor. Equipped with overcurrent protection functionality, users can set three levels of overcurrent protection points. With built-in overcurrent protection and compatibility with TrolMaster controllers, the OPA-2 allows remote monitoring and adjustment of settings for optimal performance. The OPA-2 enables users to set parameter values for Lines 1 and 2 in Light Group Control Groups 0-9 and UV, White, Deep Red, and Far Red in Spectrum Group Groups 0-9. This functionality enables precise control over the illumination levels of the lighting strips Featuring RS-485 communication, it supports accurate control of lighting systems and offers unparalleled reliability and durability. If the circuit protector detects unusual high amperage, the power to the LEDs will be turned off to prevent damage to the LEDs and the Daisy Chain Power Cord System.

What's Included

  • Smart Junction Box (OPA-2) x 1
  • ThinkGrow 12' Daisy Chain Control Cable (ECS-7) x 1
  • 12ft RJ12 to 4-Pin IP65 Connector Cable (ECS-9) x 2
  • Y- Splitter x2

Features & Benefits

  • Lighting fixture Group Addressing
  • Complete power-off solution for night cycle
  • Overcurrent Protection
  • Power Surge Protection
  • Power Consumption Data Collection (with Hydro-X Pro)
  • On-Site Monitoring

Specifications

Input Power 100~277VAC, 50/60Hz
Rated Voltage 100~277V
Rated current 30A
Shut-off Point Range 15A/ 20A/ 30A
Overcurrent protection point +120%
Sensitivity to protection Response within 0.5s
Voltage Accuracy ±2% readings/ ±1% shut-off point
Current Accuracy ±2% readings/ ±1% shut-off point
Power Accuracy ±5% readings/ ±1% shut-off point
PF Accuracy ±10%
Operating Temperature 32~104 °F
Working Humidity 5~95%RH
Communication Interface RS-485

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117 ratings | 48 reviews
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