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High-Reliability Relays and Monitoring Products

Hongke TELE High-Performance Relays

Optimize equipment lifespan and reduce energy consumption

  • Wide-voltage design; a single model covers a wide range of applications
  • Industrial-grade stability ensures long-term, continuous operation
  • Time control ranging from milliseconds to hours, meeting complex control requirements
  • Precise monitoring of multiple parameters, including voltage, current, phase sequence, and frequency
  • Complies with international standards such as CE and IEC
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Precise Control, Reliable Protection

TELE Haase, based in Vienna, Austria, is a specialist in industrial electronic controls and one of the world’s leading suppliers of industrial control and monitoring electronics. Hongke Technology is TELE’s sole authorized distributor in the Asia-Pacific region.

Hongke TELE products include key control components such as time relays, monitoring relays, and load and system protection devices. They support real-time monitoring of electrical parameters such as voltage, current, frequency, and phase sequence, and offer a variety of time-logic control functions. These products are widely used in industrial automation, power systems, equipment protection, and renewable energy sectors.

Hongke TELE products feature high reliability, wide voltage compatibility (e.g., 12–240 V AC/DC), and a modular DIN rail design, making them reliable components for industrial control cabinets and system integration.

  • Wide-voltage design, millisecond-level response
  • Comprehensive time control and monitoring features
  • DIN rail mounting, easy to integrate
  • Energy Consumption Visualization and Optimization Management

High-Performance Relays: A Reliable Choice

Manufactured in Austria

All products are designed and manufactured in Austria in strict compliance with European industrial manufacturing standards. They offer high durability and a long service life, are capable of withstanding challenging industrial environments such as high temperatures and humidity, and ensure long-term continuous operation while reducing equipment failure rates and maintenance costs.

Wide-Voltage Design (12–240 V AC/DC)

Compatible with a wide range of industrial power systems, eliminating the need for frequent model changes; supports everything from low-voltage DC to high-voltage AC, offering flexibility for various applications; enhances flexibility in on-site wiring and product selection, reducing inventory pressure.

Multifunctional Time Control and Monitoring

Time Relay: Supports multiple control modes, including delayed on/off, single pulse, and cyclic logic;Monitoring Relay: Real-time monitoring of parameters such as voltage, current, frequency, phase sequence, and over/underload;System Integration: Can integrate Modbus/RS485 communication interfaces to enable data acquisition and control by a host system;Applications: Suitable for industrial automation, power monitoring, equipment protection, and energy management

Complies with international standards

Certified by authoritative bodies such as CE and IEC, these products ensure safety and compatibility, comply with global industrial automation and power system standards, and facilitate export and integration into multinational engineering projects.

A Comprehensive Product Lineup, Featuring the Best Solutions

Time Relay

Enabling Precise and Reliable Switching and Control

Timing Relays

Supports delayed on/off, single-pulse, and cyclic logic control; includes representative models such as the K3ZM20, E1ZM10, and G2ZMF11; the time control range extends from milliseconds to several hours.
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Surveillance Relay

Measure voltage, current, power factor, temperature, or liquid level

Monitoring Relays

Real-time monitoring of voltage, current, frequency, phase sequence, overload, and underload; capable of outputting warning signals to protect motors and equipment; select models support Modbus/RS485 communication.
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Power Grids and System Protection Devices

Monitors the operational status of public power grids or power generation systems; compliant with global standards

Grid and System Protection Devices (Grid & System Protection)

It responds quickly to abnormalities such as voltage sags, overvoltage, frequency deviations, phase sequence errors, or system imbalances; suitable for power plants, energy storage grids, and renewable energy systems.
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eCap Electrical Performance Sensor

Simulation of Electrical Parameters for Precision Measurement Equipment

eCap Electrical Performance Sensors

Converts complex analog signals into reliable, directly processable data, supporting integration into monitoring systems via standard interfaces such as Modbus.
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Safety Relay

Suitable for emergency stop loop monitoring, safety door monitoring, and two-hand control

Safety Relays (Safety Modules)

It monitors the status of connected safety sensors and wiring, enabling the safe shutdown of contactors and drives in industrial automation systems, and supports contact expansion and coupling functions.
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Ground Fault Circuit Interrupter

Ground Fault Detection and System Protection

Earth Leakage Relays

Compliant with international standards such as IEC 60947-2/M, IEC 60755, and UL 508, ensuring that protective functions meet compliance and reliability requirements.
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Basic Series Time and Monitoring Relays

Simple, reliable, and cost-effective design

Basic Series Time and Monitoring Relays

Focusing on circuit monitoring, protection, and timed control, our solutions precisely meet customer needs and cover a wide range of industrial and residential applications.
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Switching Relay

Signal Isolation, Logic Inversion, and Load Switching

Switching Relays

We offer general-purpose switching relays and switch modules for signal isolation, logic control, and load switching signal drive.
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Load and Power Monitor

Power Monitoring and Load Protection

Load and Power Monitors (Power Monitors)

Accurately measures power factor, active power, and energy, providing operational status feedback for industrial equipment, variable-frequency drives, and motors to assist with energy efficiency analysis and maintenance planning.
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Power Electronic Equipment

Soft starters, braking devices, and thyristor control units

Power Electronics

Focused on improving energy efficiency and ensuring stable equipment operation, our products are suitable for electric drive and renewable energy systems; our core products include durable soft starters, braking devices, and thyristor control units for the industrial automation and drive technology sectors.
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Measurement Technology

Reading Electrical, Electronic, and Mechanical Measurement Values

Measuring Technology

Designed to accurately and reliably measure electrical, electronic, and mechanical parameters, with output available in analog or digital formats, suitable for both general and harsh industrial environments.
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Additional Products

Refine the requirements for the main product line

Complementary Products

These include supporting components such as current transformers (CTs), timers, coupling relays, DC power supplies, and switching power supplies.
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Custom Manufacturing Services

We provide end-to-end, customized services covering the entire value chain, from concept development to mass production.

Custom Manufacturing Services (EMS)

We provide Electronic Manufacturing Services (EMS), offering customized solutions across the entire value chain—from concept development to mass production—for electronic products.
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ecoX Energy Management Platform

Innovative Energy Management Solutions for the Construction Industry

ecoX Energy Management Platform

With a hardware- and software-integrated ecosystem at its core, the company provides stakeholders in the construction industry with sustainable energy management, cost-saving solutions, and reporting services that comply with ESG standards.
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Core Applications from Equipment Control to Energy Management

TELE relays and monitoring products are widely used in industrial and infrastructure applications that demand high levels of safety, stability, and energy efficiency management.

Electric Power and Distribution Systems

Designed for low-voltage distribution panels, electrical control cabinets, and power circuits, it monitors voltage, phase sequence, and load status in real time to ensure electrical safety and provide early warnings of abnormalities.

Renewable Energy and Decentralized Energy Systems

Used in solar photovoltaic, wind power, and distributed generation systems for grid connection monitoring, system protection, and operational status assessment to ensure safe and compliant grid connection.

Industrial Automation and Equipment Control

Used for time control, status monitoring, and logic protection in applications such as machine tools, production line equipment, and conveyor systems, ensuring stable equipment operation and reducing malfunctions and unexpected downtime.

Building and Infrastructure Management

Used in building power distribution, air conditioning systems, elevators, and public facilities, it enables scheduled control, load monitoring, and energy consumption optimization, thereby improving overall operational and maintenance efficiency.

Energy Consumption Monitoring and Equipment Maintenance

By monitoring current, power, and operational status, it provides reliable data for energy management systems (EMS) and preventive maintenance, supporting energy conservation, reduced consumption, and refined management.

Frequently Asked Questions (FAQ)

What are the advantages of TELE relays compared to standard relays?

Hongke TELE relays are specifically designed for industrial-grade applications. They offer high reliability, wide voltage compatibility, multifunctional integration, and long-term stable operation, making them ideal for industrial and energy scenarios that demand the highest levels of safety and system stability.

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Hongke TELE monitoring relays can monitor key parameters such as voltage, current, frequency, phase sequence, phase loss, overload, and underload in real time, and promptly output alarms or control signals in the event of an anomaly.

A wide input voltage range (typically 12–240 V AC/DC) reduces selection constraints caused by variations in on-site power supplies; a single model can accommodate a variety of power supply environments, thereby lowering inventory and maintenance costs.

Through continuous monitoring of power and load conditions, TELE relays provide reliable data for energy consumption analysis, equipment operation optimization, and energy management systems (EMS), helping to achieve energy savings and refined management.

TELE relays feature a standard DIN rail mounting design, allowing for quick integration into industrial control cabinets and PLC systems, and making installation and maintenance convenient. TELE products comply with international standards such as CE and IEC, meeting the safety and compatibility requirements of industrial automation and power systems.

TELE products primarily include time relays, monitoring relays, load and power monitoring devices, system protection relays, and switching relays, which are widely used in industrial automation, power, and energy systems.

TELE products are suitable for industrial automation equipment, power distribution systems, renewable energy grid integration, building control systems, and energy management systems; they are particularly well-suited for applications with high stability and safety requirements.

The NA003 is a three-phase power grid and system monitoring relay from TELE, primarily used to monitor three-phase voltage, frequency, and phase sequence to ensure the safe operation of power systems and grid-connected equipment. The NA003 is widely used in solar photovoltaic, wind power, and distributed generation systems, as well as in industrial power distribution and grid-connected equipment, for grid connection monitoring, system protection, and operational status assessment.

The NA003 effectively detects issues such as overvoltage, undervoltage, frequency anomalies, phase sequence errors, and grid instability, and rapidly triggers protective actions when abnormalities occur, thereby reducing the risk of equipment damage and downtime. The NA003 complies with relevant IEC standards for power grid and system protection and meets the safety and compliance requirements for renewable energy grid integration and industrial power systems.

TELE relays feature standard DIN rail mounting, a compact design, and clear wiring, making them easy to quickly integrate into control cabinets, PLCs, or power monitoring systems. TELE relays serve as front-end monitoring and protection units for PLCs and higher-level systems, providing stable and reliable status signals and protection logic.

Yes. Hongke Technology is TELE’s sole authorized distributor in the Asia-Pacific region, providing product selection, technical consultation, and after-sales support services.

You can select a model based on the application scenario (time control, monitoring, system protection), voltage rating, and control requirements. You may also contact Hongke Technology for professional selection advice and technical support.

Professional technical support from HONGKEI to help you succeed in your project.

Leveraging decades of technical expertise in automotive electronics, industrial automation, data security, and life sciences, Hongke provides customers with end-to-end solutions ranging from critical components and precision instruments to system-level platforms. We do more than just supply products; we are committed to helping our customers achieve long-term success through professional technical consulting and innovative optimization.

Testing Services

On-demand sample testing and validation of performance evaluation

Hardware Training

Comprehensive coverage of all aspects of hardware product usage

Software Training

Helps you quickly master the skills of using the software

integrated development

Complete integrated solutions based on requirements
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