MCMR-2001 Built-in Wireless Relay Receiver

Automated Home Solutions.

MCMR-2001 Built-in Wireless Relay Receiver

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ABOUT BRAND

Product Description

The MCMR-2001 Built-in Wireless Relay Receiver provides a professional solution for adding wireless control to permanently installed lighting and electrical equipment. Designed for concealed installation behind existing wall switches or inside junction boxes, it enables reliable wireless ON/OFF switching while maintaining the original appearance of the electrical installation.

Operating on 433.92MHz System Nexa RF communication, the receiver works seamlessly with compatible remote controls, wall transmitters, Smart Hub and Nexa Bridge devices. The built-in zero-crossing relay reduces electrical arcing during switching, helping extend relay lifespan and improve long-term reliability.

The receiver requires both live and neutral connections and supports Smart Mode, allowing users to store and recall favourite automation scenes with compatible transmitters. Self-learning programming with 32 memory locations makes installation quick while allowing multiple transmitters to control the same receiver.

Key Features

• Model Number:  MCMR-2001
• Built-in wireless relay receiver
• RF433.92MHz (System Nexa Protocol)
• Wireless ON/OFF switching
• Zero-crossing relay technology
• Maximum resistive load:  2000W
• Smart Mode compatible
• Compatible with Nexa Smart Hub
• Compatible with Nexa Bridge
• Self-learning programming
• 32 programmable memory locations
• Concealed installation
• Compatible with existing wall switches

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Technical Details

The MCMR-2001 is a concealed RF433 wireless relay receiver designed for fixed electrical installations requiring dependable wireless ON/OFF control.

Device identification

• Device Name:  Built-in Wireless Relay Receiver
• Model:  MCMR-2001
• Wireless Communication:  System Nexa RF433.92MHz
• Power Supply:  220–240V AC, 50Hz
• Maximum Load:  2000W Resistive
• Control Methods:  RF Remote Controls, Wall Transmitters, Nexa Smart Hub and Nexa Bridge
• Application:  Wireless lighting and appliance control

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Technical Specifications

Product Performance Characteristics

Reliable RF433 Wireless Communication

Operates using System Nexa 433.92MHz RF technology, providing stable wireless communication with compatible transmitters over an operating range of up to 30 metres indoors, depending on surrounding structures and installation conditions.

Zero-Crossing Relay Technology

The integrated relay uses zero-crossing switching, reducing electrical stress and contact wear during operation. This improves switching reliability and extends the operational lifespan of the relay, particularly when controlling lighting loads.

Concealed Professional Installation

Designed for installation inside standard electrical junction boxes or switch boxes. The receiver connects directly to 230V AC and requires both live and neutral conductors. It can also be connected to an existing wall switch for convenient local control.

Smart Mode Compatibility

Supports Smart Mode, allowing users to save and activate up to three favourite automation scenes using compatible Smart Mode transmitters for convenient one-touch operation.

Electrical & Physical Specifications

• Power Supply: 220–240V AC, 50Hz
• Maximum Resistive Load: 2000W
• Wireless Frequency: 433.92MHz
• Wireless Range: Up to 30 metres
• Memory Capacity: 32 transmitters
• Standby Power Consumption: <1W
• Operating Temperature: 0°C to 40°C
• Protection Rating: IP20 (Indoor Use)
• Dimensions: 48 × 48 × 25 mm
• Installation: Concealed junction box or switch box

Professional Applications

The MCMR-2001 is suitable for electricians, OEM manufacturers and smart home professionals requiring dependable concealed RF433 wireless switching for lighting circuits, electric radiators, small motors, offices, hotels, apartments and commercial building automation. Its compact design, Smart Mode support and System Nexa compatibility make it ideal for both new installations and retrofit smart home projects.

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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