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Access our full support library for setup, troubleshooting, system integration, cross-reference for discontinued competitor products, get warranty information, and more!
Don’t know where to get started? Come over to our exclusive Project Planner to get recommendations for Lightronics solutions specific to your needs!
Looking to engage with the Lightronics team face to face or connect with one of our approved dealers at a local event? Take a look at our calendar!
Lightronics has been manufacturing reliable lighting solutions for over 40 years. Learn more about our History, Values, and Employment Opportunities here!

The CM131-R is a 19-inch, 2-space, 400-amp three-phase Cam Lock power input panel featuring three male phase connectors and female neutral and ground connectors for compatible portable theatrical and touring dimmer rack systems.
| Weight | 8 lbs |
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| Dimensions | 10 × 11 × 11.4 in |
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(What discontinued products are comparable to this product?)
The Lightronics CM131-R is a 400-amp three-phase Cam Lock power input panel designed for integration into 19-inch custom dimmer racks. Occupying two rack spaces, the panel features three male phase connectors with female neutral and ground connectors, providing a reversed neutral and ground configuration compared to the standard CM131 input panel.
This configuration accommodates compatible temporary electrical distribution systems requiring male phase connections with female neutral and ground connections. It is particularly relevant to specialized portable lighting power systems used in theatrical productions, concert touring, festivals, and large-scale stage performances.
Designed for custom dimmer rack road cases and professional touring equipment, the CM131-R provides a dedicated three-phase power input interface that supports appropriately matched power connections, organized equipment setup, and efficient deployment between performance venues.