MWMR-250 Built-in Wireless Dimmer Receiver

Automated Home Solutions.

MWMR-250 Built-in Wireless Dimmer Receiver

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ABOUT BRAND

Product Description

The MWMR-250 Built-in Wireless Dimmer Receiver is designed for fixed lighting installations requiring discreet wireless dimming and smart home integration. Its compact housing fits neatly behind existing wall switches or inside standard junction boxes, allowing installers to modernise conventional lighting circuits without altering room aesthetics.

Operating on reliable 433.92MHz RF communication, the receiver supports control from compatible System Nexa remote controls, wall transmitters, Smart Mode devices, Nexa Bridge and standard retractive wall switches. The receiver requires both phase and neutral connections for permanent installation.

The universal dimming design supports both leading-edge and trailing-edge phase dimming, allowing compatibility with a wide variety of lighting technologies including incandescent, halogen, electronic transformers, conventional transformers and dimmable LED lamps. An adjustable minimum dimming level further improves lighting performance while reducing flicker.

Key Features

• Model Number:  MWMR-250
• Built-in wireless dimmer receiver
• RF433.92MHz wireless communication
• Wireless ON/OFF switching
• Smooth dimming control
• Smart Mode compatible
• Supports leading-edge and trailing-edge dimming
• Adjustable minimum dimming level
• Compatible with retractive wall switches
• Compatible with Nexa Bridge
• Self-learning programming
• 32 programmable memory locations
• Compact concealed installation

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Technical Details

The MWMR-250 is a compact RF433 built-in wireless dimmer receiver designed for concealed installation in switch boxes and junction boxes for intelligent wireless lighting control.

Device identification

• Device Name:  Built-in Wireless Dimmer Receiver
• Model:  MWMR-250
• Wireless Communication:  System Nexa RF433.92MHz
• Power Supply:  220–240V AC, 50Hz
• Control Methods:  RF Remote Controls, Smart Mode Transmitters, Nexa Bridge and Retractive Wall Switch
• Application:  Wireless lighting dimming and ON/OFF control

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Technical Specifications

Product Performance Characteristics

Reliable RF433 Wireless Communication

Operates using System Nexa 433.92MHz RF wireless communication, providing dependable control with compatible transmitters over a range of up to 30 metres, depending on building construction and installation conditions.

Universal Dimming Technology

Supports both leading-edge and trailing-edge phase dimming, allowing compatibility with multiple lighting technologies. The minimum dimming level can be adjusted to optimise performance and minimise LED flicker.

Flexible Installation

The compact receiver installs behind existing wall switches and accepts input from a 230V retractive switch, enabling both manual and wireless control while maintaining the original switch appearance. The receiver requires both phase and neutral conductors for installation.

Smart Mode Compatibility

Supports Smart Mode, allowing users to store and activate up to three favourite lighting scenes using compatible Smart Mode transmitters for quick one-touch operation.

Electrical & Physical Specifications

• Power Supply: 220–240V AC, 50Hz
• Maximum Load (R/RC): 20–250W
• Maximum Load (RL): 40–250W
• Maximum LED Load: 3–120W
• Wireless Frequency: 433.92MHz
• Wireless Range: Up to 30 metres
• Memory Capacity: 32 transmitters
• Standby Power Consumption: <1W
• Installation: Permanent concealed installation
• Protection Rating: Indoor Use
• Dimensions: 40 × 45 × 15 mm

Professional Applications

The MWMR-250 is designed for electricians, OEM manufacturers and smart home professionals requiring reliable concealed RF433 wireless dimming for residential, hospitality, office and commercial lighting installations. Its compact design, universal dimming capability and Smart Mode compatibility make it ideal for both new projects and retrofit smart home upgrades.

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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