GP8-2774ML-20 | Lutron 8-Circuit 277/480V 3-Phase GP Dimming Panel 60A
Lutron · PLCs & Industrial Controllers
Description The Lutron GP8-2774ML-20 is a Grafik Eye GP dimming panel designed for centralized control of commercial lighting circuits. It operates on a 277/480 V, 3-phase, 4-wire system and supports eight load circuits with integrated branch protection. Configured with main lugs only, the panel provides structured dimming and switching for multi-zone lighting installations. Technical Specifications Condition New/Never Used Surplus Brand Lutron Category Lighting Part Number GP8-2774ML-20 Subcategory Lighting Controller Product Series Grafik Eye GP Number of Load Circuits 8 Input Voltage 277/480 V Phase Configuration 3 Phase Wiring 4 Wire Panel Rating 60 Amp Maximum Main Lug Current Up to 175 Amp (rated) Branch Circuit Breakers 20 Amp per circuit Frequency 50/60 Hz Panel Feed Type Main Lugs Only (ML) Enclosure Type NEMA Type 1 (Indoor) Cooling Method Convection cooling via ribbed aluminum heat sink Memory Retention 10-Year power failure memory Weight 115.00 lbs Information About GP8-2774ML-20 The GP8-2774ML-20 is a Grafik Eye GP Series dimming panel manufactured by Lutron for commercial lighting control systems. It features eight load circuits with 20 A branch circuit breakers and is designed for 277/480 V, 50/60 Hz, 3-phase, 4-wire electrical distribution. The unit utilizes a main lugs only (MLO/ML) feed configuration and is enclosed in a NEMA Type 1 housing for indoor installation. A patented ribbed aluminum heat sink enables convection cooling without fans, and the integrated 10-year power failure memory restores the last selected lighting scene after power interruptions. Key Features: 8 Load Circuits: Provides centralized control of eight independent lighting zones. 277/480 V Operation: Designed for commercial 3-phase, 4-wire power systems. 60 Amp Panel Rating: Supports lighting distribution up to 60A panel capacity. Main Lugs Only (ML): Allows direct feed connection without a main breaker. 20 A Branch Circuit Breakers: Integrated overcurrent protection for each circuit. Convection Cooling Design: Fan-free thermal management using ribbed aluminum heat sink technology. 10-Year Scene Memory: Automatically restores lighting settings after extended power outages. Type 1 Enclosure: Indoor-rated enclosed steel housing. The GP8-2774ML-20 delivers the reliability and precision required for commercial multi-circuit lighting control systems.
Brand: Lutron · Category: PLCs & Industrial Controllers
Key features
- 8 Load Circuits: Provides centralized control of eight independent lighting zones.
- 277/480 V Operation: Designed for commercial 3-phase, 4-wire power systems.
- 60 Amp Panel Rating: Supports lighting distribution up to 60A panel capacity.
- Main Lugs Only (ML): Allows direct feed connection without a main breaker.
- 20 A Branch Circuit Breakers: Integrated overcurrent protection for each circuit.
- Convection Cooling Design: Fan-free thermal management using ribbed aluminum heat sink technology.
- 10-Year Scene Memory: Automatically restores lighting settings after extended power outages.
- Type 1 Enclosure: Indoor-rated enclosed steel housing.
Specifications
| Manufacturer part number | GP8-2774ML-20 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Lutron |
| Category | Lighting |
| Part Number | GP8-2774ML-20 |
| Subcategory | Lighting Controller |
| Product Series | Grafik Eye GP |
| Number of Load Circuits | 8 |
| Input Voltage | 277/480 V |
| Phase Configuration | 3 Phase |
| Wiring | 4 Wire |
| Panel Rating | 60 Amp |
| Maximum Main Lug Current | Up to 175 Amp (rated) |
| Branch Circuit Breakers | 20 Amp per circuit |
| Frequency | 50/60 Hz |
| Panel Feed Type | Main Lugs Only (ML) |
| Enclosure Type | NEMA Type 1 (Indoor) |
| Cooling Method | Convection cooling via ribbed aluminum heat sink |
| Memory Retention | 10-Year power failure memory |
| Weight | 115.00 lbs |
| Product type | Lighting Controller |
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