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Haomai Electric Power Automation Co., Ltd.

Hubei, China
Business Type:
Manufacturer/Factory & Trading Company
Main Products:
CT PT Analyzer , Relay Protection Test System , Substation DC System Tester , Battery Test ...
Year of Establishment:
1999-07-27
Number of Employees:
149
Management System Certification:
ISO14001, ISO45001:2018
Address:
Haomai Building No. 1, Wuhan University Science Park Road, East-Lake Hi-Tech Development District, Wuhan, Hubei, China
OEM/ODM Service
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Secured Trading Service

CT PT Analyzer, Relay Protection Test System, Battery Test System manufacturer / supplier in China, offering Multi-Function High-Fidelity Portable Relay Testing Kit, Advanced Relay Testing Device for 110kv Line Protection Solutions, Advanced Portable Gas Analyzer for Early Fault Detection and so on.

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Latest updates from this supplier
Feb 16, 2026

New Products

Reliable Voltage Injection Relay Tester for Pst Protection Systems
Reliable Voltage Injection Relay Tester for Pst Protection Systems
US $5,000-8,000 / Piece

New Products

Advanced Haomai Relay Tester for Transformer Current Protection
Advanced Haomai Relay Tester for Transformer Current Protection
US $5,000-8,000 / Piece

New Products

Advanced Haomai Relay Tester for PCS Fault Current Simulation
Advanced Haomai Relay Tester for PCS Fault Current Simulation
US $5,000-8,000 / Piece

New Products

Reliable Haomai Relay Tester for Wfb Safety in 35kv Systems
Reliable Haomai Relay Tester for Wfb Safety in 35kv Systems
US $5,000-8,000 / Piece

New Products

Advanced Haomai Portable Relay Tester for Thermal Power Plants
Advanced Haomai Portable Relay Tester for Thermal Power Plants
US $5,000-8,000 / Piece
Feb 09, 2026

New Products

Power System Simulator to Test Relays and Schemes with High Accuracy
Power System Simulator to Test Relays and Schemes with High Accuracy
US $13,000-18,000 / Piece

New Products

Line Protection Portable Secondary Relay Test Set for 110kv Substation
Line Protection Portable Secondary Relay Test Set for 110kv Substation
US $14,000 / Piece
Feb 03, 2026

New Products

Relay Star-Z80 Portable Secondary Protection & Control Tester
Relay Star-Z80 Portable Secondary Protection & Control Tester
US $14,000 / Piece

New Products

Portable Secondary Protection Tester for Merging Unit & Intelligent Terminal
Portable Secondary Protection Tester for Merging Unit & Intelligent Terminal
US $14,000 / Piece

New Products

Three Phase Relay Test Set Secondary Current Injection Relay Tester
Three Phase Relay Test Set Secondary Current Injection Relay Tester
US $14,000 / Piece

New Products

Portable Secondary Six-Phase 0.1% Accurate Current Injection Relay Test Set
Portable Secondary Six-Phase 0.1% Accurate Current Injection Relay Test Set
US $14,000 / Piece

New Products

Portable Secondary Protection Tester for Optical Fiber Pilot Differential Protection
Portable Secondary Protection Tester for Optical Fiber Pilot Differential Protection
US $14,000 / Piece
Jan 13, 2026

New Products

Relay Star-Z80 Portable Secondary Protection & Control Tester
Relay Star-Z80 Portable Secondary Protection & Control Tester
US $14,000 / Piece

New Products

Portable Secondary Protection Tester with Analog-Digital Hybrid Output
Portable Secondary Protection Tester with Analog-Digital Hybrid Output
US $14,000 / Piece

New Products

Three Phase Relay Test Set Secondary Current Injection Relay Tester
Three Phase Relay Test Set Secondary Current Injection Relay Tester
US $14,000 / Piece

New Products

Portable Secondary Protection Tester for Optical Fiber Pilot Differential Protection
Portable Secondary Protection Tester for Optical Fiber Pilot Differential Protection
US $14,000 / Piece

New Products

Relay Star-Z80 Portable Secondary Protection One-Click Test Tester
Relay Star-Z80 Portable Secondary Protection One-Click Test Tester
US $14,000 / Piece
Jan 12, 2026

New Products

Three-Phase Portable Secondary Protection Test Kit for Hydro Power Generator
Three-Phase Portable Secondary Protection Test Kit for Hydro Power Generator
US $14,000 / Piece

New Products

0.1% Accurate Compact Portable Secondary Relay Test Set for Earth Fault Protection
0.1% Accurate Compact Portable Secondary Relay Test Set for Earth Fault Protection
US $14,000 / Piece

New Products

Differential Relaying Portable Secondary Current Injection Tester
Differential Relaying Portable Secondary Current Injection Tester
US $14,000 / Piece

New Products

Back-up Protection Portable Secondary Relay Test Kit for Distribution Transformer
Back-up Protection Portable Secondary Relay Test Kit for Distribution Transformer
US $14,000 / Piece

New Products

Factory Calibration Portable Secondary Protective Relay Test Set
Factory Calibration Portable Secondary Protective Relay Test Set
US $14,000 / Piece
Jan 09, 2026

New Products

Portable Secondary CT Tester for Instrument Transformer
Portable Secondary CT Tester for Instrument Transformer
US $15 / Piece

New Products

Portable Secondary Vt Tester for Voltage Transformer Calibration
Portable Secondary Vt Tester for Voltage Transformer Calibration
US $15 / Piece

New Products

High Precision Portable Secondary CT/PT Analyzer for Substation Assessment
High Precision Portable Secondary CT/PT Analyzer for Substation Assessment
US $15 / Piece

New Products

Portable Secondary Vt Test Equipment for Substation Assistance
Portable Secondary Vt Test Equipment for Substation Assistance
US $15 / Piece

New Products

30kv Exciting Voltage Portable Secondary CT/Vt Tester for Substation Maintenance
30kv Exciting Voltage Portable Secondary CT/Vt Tester for Substation Maintenance
US $15 / Piece
Jan 08, 2026

New Products

Portable Secondary Three-Phase High Accuracy Relay Protection Tester
Portable Secondary Three-Phase High Accuracy Relay Protection Tester
US $14,000 / Piece

New Products

Portable Secondary Protection & FT3 Message Analysis Tester
Portable Secondary Protection & FT3 Message Analysis Tester
US $14,000 / Piece

New Products

Portable Secondary Protection & FT3 Message Analysis Tester (Z80 Model)
Portable Secondary Protection & FT3 Message Analysis Tester (Z80 Model)
US $14,000 / Piece

New Products

Portable Secondary Six-Phase 0.1% Accurate Current Injection Relay Test Set
Portable Secondary Six-Phase 0.1% Accurate Current Injection Relay Test Set
US $14,000 / Piece

New Products

Portable Secondary Protection Tester with 6u/6I High-Precision Output (Z80)
Portable Secondary Protection Tester with 6u/6I High-Precision Output (Z80)
US $14,000 / Piece
Jan 07, 2026

New Products

Portable Power Grid Multi-Device Synchronous Relay Test Platform
Portable Power Grid Multi-Device Synchronous Relay Test Platform
US $14,000 / Piece

New Products

8di/4do Relay Protection Test Equipment
8di/4do Relay Protection Test Equipment
US $2,400 / Set

New Products

Substation on-Site Relay Calibration Kit
Substation on-Site Relay Calibration Kit
US $2,400 / Set

New Products

0-30A Adjustable Portable Secondary Current Injector with 120V Output
0-30A Adjustable Portable Secondary Current Injector with 120V Output
US $2,400 / Set

New Products

Power System Relay Performance Debugging Device
Power System Relay Performance Debugging Device
US $2,400 / Set
Jan 06, 2026

New Products

Dual-Mode Local/Remote 6-Phase Relay Tester
Dual-Mode Local/Remote 6-Phase Relay Tester
US $14,000 / Set

New Products

4-Channel Voltage 6-Channel Current Relay Tester
4-Channel Voltage 6-Channel Current Relay Tester
US $14,000 / Set

New Products

Compact 6-Phase Multi-Function Relay Analyzer
Compact 6-Phase Multi-Function Relay Analyzer
US $14,000 / Set

New Products

Zero-Sequence Protection Portable Secondary Current Injection Tester for Power Generator
Zero-Sequence Protection Portable Secondary Current Injection Tester for Power Generator
US $14,000 / Set

New Products

6-Phase Relay Protection Debugging Instrument
6-Phase Relay Protection Debugging Instrument
US $14,000 / Set
Jan 04, 2026

New Products

8 Input 4 Output Embedded System Relay Protection Test Device
8 Input 4 Output Embedded System Relay Protection Test Device
US $14,000 / Set

New Products

6×32A 4×300V Dual-Mode Relay Calibration Test Kit
6×32A 4×300V Dual-Mode Relay Calibration Test Kit
US $14,000 / Set

New Products

Embedded System 3×40A High-Current Relay Protection Test Device
Embedded System 3×40A High-Current Relay Protection Test Device
US $14,000 / Set

New Products

Portable 6-Phase Current 4-Phase Voltage Relay Protection Test System
Portable 6-Phase Current 4-Phase Voltage Relay Protection Test System
US $14,000 / Set

New Products

Portable Modern Multi-Function Relay Protection Performance Tester
Portable Modern Multi-Function Relay Protection Performance Tester
US $14,000 / Set
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