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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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CT PT Analyzer, Relay Protection Test System, Battery Test System manufacturer / supplier in China, offering Advanced 3 Phase Current Injection Tester for Relays, Precision Automatic CT/Vt Turn Ratio Testing Set for Professionals, High-Precision Square Wave Test Equipment for CT/Vt Applications and so on.

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Latest updates from this supplier
May 08, 2026

New Products

Advanced 3 Phase Current Injection Tester for Relays
Advanced 3 Phase Current Injection Tester for Relays
US $2,200-2,800 / Piece
May 03, 2026

New Products

Advanced 1200 Six-Phase Relay Test Kit for Professionals
Advanced 1200 Six-Phase Relay Test Kit for Professionals
To Be Negotiated

New Products

High Precision Transformer Oil Dga Analysis Testing Equipment
High Precision Transformer Oil Dga Analysis Testing Equipment
US $18,000-25,000 / Piece
May 02, 2026

New Products

Reliable 32A Current Injector for Accurate Voltage Relay Testing
Reliable 32A Current Injector for Accurate Voltage Relay Testing
To Be Negotiated

New Products

High Precision Relay Testing Equipment for Reliable Results
High Precision Relay Testing Equipment for Reliable Results
To Be Negotiated

New Products

Advanced Capacitance and Tan Delta Test Kit for Transformers
Advanced Capacitance and Tan Delta Test Kit for Transformers
US $8,500-9,500 / Piece

New Products

Advanced 3 Phase Current Injection Tester for Relays
Advanced 3 Phase Current Injection Tester for Relays
US $2,200-2,800 / Piece

New Products

High Precision Relay Tester for Secondary Substation Systems
High Precision Relay Tester for Secondary Substation Systems
To Be Negotiated
Apr 23, 2026

New Products

High Precision Relay Testing Equipment for Reliable Results
High Precision Relay Testing Equipment for Reliable Results
To Be Negotiated

New Products

Reliable 32A Current Injector for Accurate Voltage Relay Testing
Reliable 32A Current Injector for Accurate Voltage Relay Testing
To Be Negotiated

New Products

Advanced Capacitance and Tan Delta Test Kit for Transformers
Advanced Capacitance and Tan Delta Test Kit for Transformers
US $8,500-9,500 / Piece

New Products

High-Precision Six Phase Current Injection Relay Testing Device
High-Precision Six Phase Current Injection Relay Testing Device
To Be Negotiated

New Products

Substation Secondary Multifunction Relay Test and Calibrate Kit
Substation Secondary Multifunction Relay Test and Calibrate Kit
To Be Negotiated
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
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