Porduct Overview

EKA3 Series Smart Protection Switch integrates multiple circuit protection functions such as over-voltage, under-voltage, over-current, etc., and is equipped with a timing function, designed for current working environments up to 63A. Users can remotely control the switch status, monitor electrical parameters such as voltage, current, power in real time, and set corresponding protection thresholds.

EKA3 is easy to install and operate and is widely used in homes and industrial places.
1. EKA3-TW: Wi-Fi (Tuya) enabled model for smart home integration
2. EKA3-M: RS485 model for industrial applications and building management systems

Features:

Integrated Protection: Combines over-voltage, under-voltage, and over-current protection in one device.
High Current Capacity: Suitable for environments with working currents up to 63A.
Remote control: Allows remote on/off control via the Tuya app or RS485 platform.
Real-time Monitoring: Uses the Tuya app or RS485 platform to monitor voltage, current, and power in real-time.
Adjustable Parameters: Thresholds for main electrical parameters can be set Tuya app or RS485 platform.
Metering Function: Provides accurate measurement of electrical parameters.
Timing Control: Improve energy management efficiency, enhance power safety.

EKA3 Smart Relay Switch is the perfect solution for those seeking to upgrade their electrical systems with advanced protection, IoT capabilities, and energy monitoring. Whether you're looking to enhance your smart home setup or improve industrial power management, the EKA3 delivers the ideal combination of protection, connectivity, and control.

Technical parameters

Technical Data

Standard	IEC 60947-5-1
Model	EKA3-TW	EKA3-M
Communication method	Wi-Fi (Tuya), 2.4GHz	RS485
Status indicator	Power status
	Network status
	Working status
Power button	Yes
Network configuration button	Yes
Control Type	Remote, Manual
Poles	1P+N, N pole on the right
Standby power consumption	≤1.5W
Operating voltage range	90V~265V
Rated frequency	50/60Hz
Rated operating current	1-63A
Measurement accuracy	Class 2.0
Protection degree	IP20
Ambient temperature	-20℃ to +70℃, Max. 95% humidity
Terminal block protection	Integrated cover
Over-voltage range	230V~265V (default:265V)	230V~300V (default:280V)
Over-voltage recovery range	Automatically reduces 5V based on over-voltage protection value	225V~295V (default:275V)
Over-voltage tripping time	/	5s~600s (default:60s)
Over-voltage recovery delay time	/	5s~600s (default:60s)
Under-voltage range	140V~210V (default:160V)	100V~210V (default:115V)
Under-voltage recovery range	Automatically increases 5V based on under-voltage protection value.	100V~215V (default:120V)
Under-voltage tripping time	/	5s~600s (default:60s)
Under-voltage recovery delay time	/	5s~600s (default:60s)
Over-current adjustable range	1A-63A (default:63A)
Over-current tripping time	/	5s~600s (default:5s)

Dimensions

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Dual-Connectivity Smart Relay Switch for Intelligent Energy Management

EKA3 Smart Relay Switch is designed to provide advanced control and monitoring for your electrical systems. With dual connectivity options via Wi-Fi and RS485, this switch offers flexibility, comprehensive protection, and efficient energy management.

Dual-Connectivity Smart Relay Switch for Intelligent Energy Management