WMR-250A Universal Wireless Dimmer Receiver Module

Automated Home Solutions.

WMR-250A Universal Wireless Dimmer Receiver Module

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ABOUT BRAND

Product Description

The WMR-250A Universal Wireless Dimmer Receiver Module provides a practical way to add wireless dimming functionality to existing lighting installations. Installed behind a standard wall switch, the receiver enables remote ON/OFF switching and brightness adjustment while maintaining normal wall switch operation.

Using reliable 433.92MHz RF communication, the receiver works with compatible self-learning RF433 remote controls and wall transmitters. Its universal dimming circuit supports a wide range of compatible lighting types, including dimmable LED lamps, incandescent lamps, 230V halogen lamps and 12V halogen lighting using compatible electronic or inductive transformers.

The compact housing allows installation inside standard electrical back boxes, making it ideal for retrofit projects where additional wiring is undesirable. Universal load compatibility and dependable RF performance make the WMR-250A suitable for homes, apartments, hotels, offices and commercial lighting applications.

Key Features

• Model Number:  WMR-250A
• Universal wireless dimmer receiver
• RF433.92MHz wireless communication
• Concealed in-wall installation
• Wireless ON/OFF switching
• Smooth dimming control
• Compatible with self-learning RF433 transmitters
• Supports existing wall switches
• Universal dimming technology
• Compatible with dimmable LED lamps
• Compatible with incandescent and halogen lamps
• Compact receiver module
• Indoor installation
• Easy retrofit solution

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Technical Details

The WMR-250A is a universal RF433 wireless dimmer receiver designed for concealed installation behind existing wall switches for intelligent wireless lighting control.

Device identification

• Device Name:  Universal Wireless Dimmer Receiver Module
• Model:  WMR-250A
• Wireless Communication:  RF433.92MHz
• Power Supply:  230V AC, 50Hz
• Control Functions:  Wireless ON/OFF and Dimming
• Application:  Concealed wireless lighting control

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Technical Specifications

Product Performance Characteristics

Reliable RF433 Wireless Communication

Operates using 433.92MHz RF wireless technology, providing dependable communication with compatible self-learning transmitters for reliable wireless switching and dimming throughout residential and commercial installations.

Universal Dimming Technology

Supports multiple lighting technologies, allowing one receiver to control.

Compact Concealed Installation

The compact module fits inside standard electrical wall boxes, making it suitable for renovation projects and new smart home installations where hidden wireless control is preferred.

Existing Switch Compatibility

The receiver installs behind an existing wall switch, allowing both manual switching and wireless remote operation without changing the appearance of the electrical installation. Compatible with self-learning RF433 remote controls and transmitters.

Electrical & Physical Specifications

• Power Supply: 230V AC, 50Hz
• Wireless Frequency: 433.92MHz
• Incandescent/Halogen Load: 20–250W
• Electronic Transformer Load: 20–250W
• Inductive Transformer Load: 40–250W
• Dimmable LED Load: 3–24W
• Dimmable CFL Load: 3–24W
• Standby Power Consumption: <1W
• Installation: Concealed behind wall switch
• Application: Indoor use
• Control Functions: ON/OFF and Dimming

Professional Applications

The WMR-250A is designed for electricians, OEM manufacturers and smart home professionals requiring dependable RF433 wireless dimming for residential, hospitality and commercial lighting installations. Its universal dimming capability, concealed installation and compatibility with multiple lighting technologies make it ideal for both retrofit projects and new smart lighting systems.

Why Clients Select ARC Technology Co Ltd

ARC Technology Co Ltd provides industrial solutions through precision engineering and adherence to international standards. Our operations are governed by rigorous quality management systems to ensure every project meets specific technical requirements and safety protocols. We focus on delivering durable results that support long term operational efficiency for our partners.

Reliability

ARC Technology Co Ltd is an established partner providing stable and consistent industrial engineering solutions.

Quality

We integrate high service standards with a comprehensive understanding of international technical and safety regulations.

Performance

Our structured methodology protects client interests and ensures all technical objectives are achieved efficiently.

FREQUENTLY ASKED QUESTIONS

1. What core industries does ARC Technology Co Ltd serve?

We provide high-precision engineering and automation hardware for both industrial sectors and residential smart home environments. Our expertise ranges from RF signal integrity and power monitoring to robust mechanical hardware for professional building applications.

2. Are your smart home products compatible with major ecosystems?

Yes. Our latest solutions are engineered for Universal Connectivity, focusing on interoperability through the Matter standard. We also fully support established protocols including Zigbee, BLE (Bluetooth Low Energy), and Wi-Fi to ensure seamless integration with your existing devices.

3. What quality certifications do your products hold?

Quality and safety are our highest priorities. Our manufacturing facility in Shenzhen is ISO certified, and our products carry globally recognized certifications including CE, UL, FCC, RoHS, and REACH, ensuring they meet rigorous international safety and environmental standards.

4. Does ARC Technology provide custom engineering (OEM/ODM) services?

Absolutely. We act as a critical bridge for global brands in Europe and North America. Utilizing our Taiwanese R&D and Global Production model, we provide comprehensive support from initial design and rapid prototyping to final installation and manufacturing scaling.

5. How do your solutions support energy efficiency and sustainability?

We specialize in Precision Energy Management. Our hardware provides high-precision power monitoring down to the micro-amp level, allowing utilities and consumers to track, analyze, and optimize their energy usage to meet global sustainability goals.

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