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® product specifications 369769h 03.05.25 RF Relay Module with Softswitch Compatible with RA2 Select, RadioRA 2, RadioRA 3 and HomeWorks systems The RF relay module with Softswitch is a radio frequency (RF) device that uses Lutron patented Softswitch technology to control up to 16 A of general-purpose loads based on input from RA2 Select, RadioRA 2, RadioRA 3 and HomeWorks systems. • Lutron patented Softswitch technology prevents arcing of relay contacts, extending product lifetime. • Various operating voltages available—refer to Models chart below for details on voltage requirements. • Capable of switching 16 A of general-purpose loads. • Utilizes Lutron Clear Connect RF technology—refer to Models chart below for frequency band data and Lutron system compatibility. • Mounts to an electrical junction box through a 1/2 in (21 mm trade-size) knockout opening. • Complies with requirements for use in a compartment handling environmental air (plenum) per NEC® 2023 300.22(C)(3) (LMJ- model only). Models Operating Compatible Model Number Region Voltage Frequency Band Systems LMJ-16R-DV-B U.S.A., Canada, Mexico 120 / 277 V~ 434 MHz LMK-16R-DV-B Europe, U.A.E. 868 MHz RA2 Select, LMM-16R-DV-B China 868 Limited RadioRA 2, 220–240 V~ RadioRA 3, LMN-16R-DV-B India 865 MHz HomeWorks LMQ-16R-DV-B Hong Kong, Israel 434 Limited NOTE: Contact Lutron for frequency band compatibility for your geographic region if it is not indicated above. Customer Assistance: 1.844.LUTRON1 (U.S.A. / Canada) www.lutron.com/support 1 +44.(0)20.7680.4481 (Europe)
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® product specifications 369769h 03.05.25 RF Relay Module with Softswitch Specifications Power 120 / 277 V~ 50 / 60 Hz 16 A 0.5 HP at 120 V~ 1.5 HP at 277 V~ (LMJ- model) 220–240 V~ 50 / 60 Hz 16 A motor: 6 A (LMK-, LMM-, LMN-, LMQ- models) Typical Power < 1.0 W Consumption Typical power test conditions: all loads off, top LED on Regulatory Approvals UL®, UL 2043 Plenum Rated, FCC Approved. Complies with the limits for a Class B device, pursuant to Part 15 of the FCC rules: CSA, IC, NOM, ANATEL (LMJ- model) CE, TRA, CITC (LMK- model) WPC (LMN- model) Environment Ambient operating temperature: 32 °F to 131 °F (0 °C to 55 °C) Ambient operating humidity: 0% to 90% humidity, non-condensing. Indoor use only. Communications Operates using Clear Connect RF technology for reliable wireless communication; refer to Models chart on page 1 for band frequency details. RF range is 30 ft (9 m) from repeaters. Contact Lutron for applications using foil-backed or metallic ceiling tiles. Load Maximum load: 16 A general purpose. No minimum load requirements. Load types include, but are not limited to: Incandescent, MLV, ELV, Resistive, Inductive, Magnetic fluorescent, and Electronic fluorescent. Surge Protection Tested to withstand surge voltages without damage or loss of operation, in accordance with IEEE C62.41-1991 Recommended Practice on Surge Voltages in Low-Voltage AC Power Circuits. Mounting Mounts to an electrical junction box through a 1/2 in (21 mm trade-size) knockout opening. Warranty www.lutron.com/TechnicalDocumentLibrary/Warranty.pdf www.lutron.com/TechnicalDocumentLibrary/Intl_Warranty.pdf Customer Assistance: 1.844.LUTRON1 (U.S.A. / Canada) www.lutron.com/support 2 +44.(0)20.7680.4481 (Europe)
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® product specifications 369769h 03.05.25 RF Relay Module with Softswitch Dimensions Dimensions shown as: in (mm) 1/2 in (21 mm trade-size) knockout opening 3.94 (100) 3.42 (87) 2.82 1.25 (72) (32) Wiring Diagram NOTE: Some applications (in U.S.A.) * Junction Box * require the RF module to be installed inside an additional junction box. For information about how to perform this installation, Line / Hot (L) please see Application Note #423 (P/N 048423) at www.lutron.com. Please consult all local and national electric codes Neutral (N) for proper installation methods. Load Switched Line/Hot Customer Assistance: 1.844.LUTRON1 (U.S.A. / Canada) www.lutron.com/support 3 +44.(0)20.7680.4481 (Europe)
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® product specifications 369769h 03.05.25 RF Relay Module with Softswitch Communications Wired and RF Configuration (RadioRA 2 and HomeWorks) Repeater * RF Relay Module RF Relay Module RF Relay Module 30 ft (9 m) maximum Hybrid Repeater Hybrid Repeater Hybrid Repeater Hybrid Repeater Repeater Status Repeater Status Repeater Status P 1 2 3 4 P 1 2 3 4 P 1 2 3 4 Communication Communication Communication RF Wired RF Wired RF Wired Setup Test Activate Setup Test Activate Setup Test Activate Test Add Test Add Test Add Power Repeater Link Power Repeater Link Power Repeater Link 9 V COM24 MUMU 9 V COM24 MUMU 9 V COM24 MU MU 1 V2X3 X4 1 V2 X3X4 1 V2 X3 X4 30 ft (9 m) 30 ft (9 m) maximum maximum RF Link RF Link 1000 ft (305 m) maximum 60 ft (18 m) 1000 ft (305 m) maximum wire length per run maximum wire length per run * In HomeWorks systems, use hybrid repeaters for range extension. In RadioRA 2, the repeater shown may be either a main repeater (1 required) or auxiliary repeater (up to 4 permitted). RA2 Select RF Range Radio Powr Savr Occupancy / Vacancy Pico Radio Powr Savr sensor remote Occupancy / Vacancy control sensor RF 30 ft (9 m) 30 ft (9 m) module maximum maximum Main repeater Wireless repeater Shade RF module 60 ft (18 m) maximum All devices must be located within 30 ft (9 m) of a repeater. The range can be extended with up to 4 Lutron wireless repeaters (Lx-REPPRO-BL). Lutron, Clear Connect, HomeWorks, RA2 Select, RadioRA, RadioRA 2, Radio Powr Savr, Pico, Sivoia, and Softswitch are trademarks or registered trademarks of Lutron Electronics Co., Inc. in the US and/or other countries. All product names, logos, and brands are property of their respective owners. Customer Assistance: 1.844.LUTRON1 (U.S.A. / Canada) www.lutron.com/support 4 +44.(0)20.7680.4481 (Europe)
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® product specifications 369769h 03.05.25 RF Relay Module with Softswitch Communications (cont.) RadioRA 3 RF Range Radio Powr RF Module Pico Radio Powr Savr sensor remote Savr sensor control 30 ft (9 m) maximum 30 ft (9 m) maximum Processor Wireless repeater Shade RF Module 60 ft (18 m) maximum All devices must be located within 30 ft (9 m) of a RadioRA 3 processor or repeater. The range can be extended with up to 4 Lutron wireless repeaters (Lx-REPPRO-BL). Lutron, Clear Connect, HomeWorks, RA2 Select, RadioRA, RadioRA 2, RadioRA 3, Radio Powr Savr, Pico, Sivoia, and Softswitch are trademarks or registered trademarks of Lutron Electronics Co., Inc. in the US and/or other countries. All product names, logos, and brands are property of their respective owners. Customer Assistance: 1.844.LUTRON1 (U.S.A. / Canada) www.lutron.com/support 5 +44.(0)20.7680.4481 (Europe)
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