S21 Dimmer Strip
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Strand Distributed Dimming Dimmer Strips Strand Lighting is pleased to introduce the next generation of S21 Dimmer Strips; a perfect extension of our R21, C21, and A21 range of permanently installed dimmer systems. Systems can be mixed and matched as needed to create a completely flexible lighting system to meet the needs of any installation. Our dimmer strips feature quiet convection cooled IGBT dimming for low lamp noise and reliable operation. IGBT dimmers are an Insulated Gate Bipolar Transistor power device that works in tandem with a dedicated microprocessor to control almost any type of lighting load required. IGBT dimmers are completely silicon-based and operate silently without the use of chokes, and do not produce any mechanical buzz or hum associated with Silicon Controlled Rectifier (SCR) dimmers. They are smaller, lighter, and generate fewer neutral harmonics than SCR dimmers. Ideal for smaller systems, S21 Dimmer Strips may be used in schools, churches or any facility that does not have space for conventional dimmer racks. Easy to install and use, S21 Dimmer Strips can be fed from standard breaker panels. S21 Dimmer Strip (Connector variations shown for illustrative purposes only) Compatible with new LED luminaires that require reverse phase operation Quiet convection cooled dual IGBT dimmers No dimmer room required and no added cooling needed Energy efficient – only a 2.5 volt insertion loss Dimmer strip features 6 dimmers packaged in three dual modules Solid-state dimming technology with adjustable transition (rise) time up to 1000 ms for quiet operation Wide range of load connector options Local Focus buttons and LED status indicators Simple set up with back lit LCD display and easy button access. LCD blacks out when not in use Compact size for easy installation Integrates with Strand R21, C21, and A21 Dimmers Hangers available for wall and pipe mount applications ETL Listed (120V models) and CE Marked (230V models) Low HarmTM mode to reduce neutral harmonics Choice of 3 power input locations - top, bottom and back Fully Digital Dimmer strip with Forward and Reverse phase dimming (automatic or user-selectable) Automatic Overload and Short Circuit protection SPECIFICATION SUBMITTAL CONSULTANT: PROJECT NAME: MODEL NUMBER | QUANTITY: PROJECT NUMBER:

Strand Distributed Dimming S21 Dimmer Strip Components & Features LCD Display and Menu System The Processor’s LCD Display and Menu System provides local control for accessing all system status information and for making configuration changes to the particular dimmer strip. User-defined operational selections and dimmer strip status includes: ● Dimmer strip DMX512 addressing Dimmer strip and individual dimmer status reporting (including dimmer levels, connected loads, operational modes, error reporting, dimmer operating temperatures, voltages, and more) Dimming mode selections (per dimmer)...

Strand Distributed Dimming S21 Dimmer Strip Mounting Hardware Pipe Mount Bracket (71725) Wall Mount Bracket (71727) "C" Style Clamp or Cheeseboro Clamp mounting hole Wall Mount Holes Dimmer strip mounting holes The 71725 Pipe Mount Bracket is designed to mount to a S21 Dimmer Strip and to allow installation of “C” Style Mounting Clamps (SC) or 71351 Cheeseboro Clamps (each sold separately) for truss or pipe hanging applications. Note, two Pipe Mount Brackets are required to mount an S21 Dimmer Strip. Single Pipe Mount Hanging Bracket (71730) Dimmer strip mounting holes The 71727 Wall Mount...

Strand Distributed Dimming Ordering Information Cat No. Description Input Power Cables 3, Dual 2.4kW (max.) Dimmer Modules, 1000 ms transition time, S21 Dimmer Strip with GP (Grounded Stage Pin) connectors 3, Dual 2.4kW (max.) Dimmer Modules, 1000 ms transition time, S21 Dimmer Strip with GTL (Twistlock) connectors 3, Dual 2.4kW (max.) Dimmer Modules, 1000 ms transition time, S21 Dimmer Strip with GR (Edison, NEMA 5-20R) connectors Notes: (1) Each S21 IGBT dual module contains two dimmers and is fully rated at 2.4kW per module. The 2.4kW rating of the module may be split evenly across both...