GP16-2774ML-20 | Lutron GP 16-Circuit Dimming Panel, 277/480 V, 120A

Lutron · PLCs & Industrial Controllers

Description  The Lutron GP16-2774ML-20 is a GRAFIK Systems GP dimming panel designed for centralized commercial lighting control. It supports 16 load circuits with a maximum capacity of 120 amps and operates on a 277/480 V, 3-phase, 4-wire power system. The panel enables controlled dimming and switching of multiple lighting zones within commercial facilities.     Technical Specifications  Condition New/Never Used Surplus Brand Lutron Category Lighting Subcategory Lighting Controller Part Number GP16-2774ML-20 Series GRAFIK Systems – GP Dimming Panel Number of Load Circuits 16 Total Amperage 120 A (Max) Input Voltage 277/480 V Phase 3-Phase Frequency 50/60 Hz Wiring 4-Wire Panel Feed Type Main Lugs Only (ML) Enclosure Rating NEMA Type 1, IP20 Construction 16 Gauge Steel Cooling Method Convection (No Fans) Memory Retention 10-Year Power Failure Memory Dimensions (H x W x D) 39.25" x 27.65" x 12.00" Weight 145 lb   Information About GP16-2774ML-20 The GP16-2774ML-20 is part of Lutron’s GRAFIK Systems GP Dimming Panel lineup, engineered for centralized lighting control in commercial and institutional environments. It provides dimming and switching functionality across 16 load circuits and is designed for integration with Lutron lighting control systems. The enclosure is rated NEMA Type 1 (IP20) for indoor installations and constructed from 16-gauge steel. Cooling is achieved via passive convection using a ribbed aluminum heat sink base, eliminating the need for internal fans. The system includes a 10-year power-failure memory to restore programmed lighting scenes after outages. Key Features:    16 Load Circuits: Supports sixteen independently controlled lighting circuits. 120 Amp Capacity: Designed for commercial-grade lighting distribution up to 120A maximum. 277/480 V Operation: Compatible with standard commercial 3-phase power systems. Main Lugs Only Feed: ML configuration for direct integration into distribution panels. Convection Cooling Design: Ribbed aluminum heat sink provides passive thermal management without fans. NEMA Type 1 Enclosure: Indoor-rated steel enclosure with IP-20 protection. 10-Year Memory Retention: Maintains programmed lighting scenes during extended power outages. Broad Load Compatibility: Supports incandescent, halogen, magnetic low-voltage, fluorescent dimming ballasts, and select LED drivers. The GP16-2774ML-20 delivers the reliability and precision required for advanced commercial lighting control systems.

Brand: Lutron · Category: PLCs & Industrial Controllers

Key features

• 16 Load Circuits: Supports sixteen independently controlled lighting circuits.
• 120 Amp Capacity: Designed for commercial-grade lighting distribution up to 120A maximum.
• 277/480 V Operation: Compatible with standard commercial 3-phase power systems.
• Main Lugs Only Feed: ML configuration for direct integration into distribution panels.
• Convection Cooling Design: Ribbed aluminum heat sink provides passive thermal management without fans.
• NEMA Type 1 Enclosure: Indoor-rated steel enclosure with IP-20 protection.
• 10-Year Memory Retention: Maintains programmed lighting scenes during extended power outages.
• Broad Load Compatibility: Supports incandescent, halogen, magnetic low-voltage, fluorescent dimming ballasts, and select LED drivers.

Specifications

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