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Motor protection relay related product

GWZC-9631 Motor Protection Relay
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GWZC-9631 Motor Protection Relay

Product Overview : GWZC-9631 Motor Protection Relay​ safeguards asynchronous motors (≤1600kW) against overload, short-circuit, and voltage/phase faults. Features motor control, monitoring, and Modbus communication. Installs in MCCs for industrial applications like pumps and compressors.

Product functions(ANSI):50 | 51 | 46 | 46 | 49 | 48 | 50N/51N | 27 | 49 | 99 | 86 | 90

Communication functions : IEC61850(Optional) | ​​IEC 60870-5-103 | MODBUS RTU | 1× Ethernet Ports | 1× RS-485

GWZC-9833 Motor Magnetic Balance Differential Protection Relay
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GWZC-9833 Motor Magnetic Balance Differential Protection Relay (87M)

Product Overview : GWZC-9833​ provides magnetic balance differential protection for HV motors, with overcurrent and thermal protection. Installed in motor control centers, it safeguards critical industrial motors with fault recording capability.

Product functions(ANSI):87M | 50 | 51 | 51 | 51 | 49 | 48 | 50Q | 46 | 46 | 50N/51N | 49 | 48 | 86 | 59 | 27 | 59N | 81O | 81U | 60FL | 27 | 74 | 27/81U | 30

Communication functions : IEC61850 | ​​IEC 60870-5-103 | MODBUS RTU | 2× Ethernet Ports | 2× RS-485

GWZC-9832 Motor Differential Protection Relay GWZC-983
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GWZC-9832 Motor Differential Protection Relay (87M)

Product Overview : GWZC-9832 Motor Differential Protection Relay for HV/LV motors (11kV-400V), detecting internal faults with CT supervision. Installed in MCCs and switchgear for fast fault clearance in industrial/power applications.

Product functions(ANSI):87H | 87 | 50 | 51 | 51 | 51V | 49 | 48 | 46 | 46 | 46V | 50N/51N | 49 | 48 | 86 | 59 | 27 | 59N | 81O | 81U | 60FL | 60 | 74 | 27/81U | 30

Communication functions : IEC61850 | ​​IEC 60870-5-103 | MODBUS RTU | 2× Ethernet Ports | 2× RS-485

GWZC-9831 Motor protection relay
details
GWZC-9831 Motor protection relay

Product Overview : GWZC-9831 Motor Protection Relay Designed specifically for 0.4kV and 10kV motor protection applications, this relay enhances motor reliability, safety, and automation levels in industrial and power distribution systems.
Product functions(ANSI):50/51 | 49 | 48 | 46 (Stage I) | 51N/50N | 48LR | 66 | 59 | 27 | 59N | 81O | 81U | 60FL | 27X | 74 | 50BF | 38 | 49T
Communication functions : IEC61850 | ​​IEC 60870-5-103 | MODBUS RTU | 2× Ethernet Ports | 2× RS-485

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Wireless Temperature Monitoring System for Substations
Wireless Temperature Monitoring System: Application in Switchgear​
This article introduces the application of wireless temperature monitoring systems in high-voltage and low-voltage switchgear. The configuration of the wireless temperature monitoring system varies across different equipment. If you need a customized wireless temperature monitoring solution for your project, please visit our website for more information.
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GWZC-9804 Arc Flash Protection Relay
Switchgear Arc Flash Protection System Configuration Scheme
This article introduces the configuration scheme for a switchgear arc flash protection system. Busbar arc flash protection monitors the busbar compartment and trips the incoming breaker, while feeder arc flash protection monitors the circuit breaker compartment and cable compartment to trip the feeder breaker. A proper arc flash protection system configuration scheme can effectively protect personnel and equipment safety. For information on a reliable arc flash protection system configuration scheme, please visit our website.
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Arc Flash Protection Relay
Arc Protection Working Principle and Decision Process
Arc Flash Protection is a specialized safety system engineered to rapidly detect and mitigate destructive electrical arc flash faults. Unlike conventional overcurrent protection, it utilizes a combination of light and current sensors to identify an arc flash event within milliseconds. By triggering a circuit breaker to isolate the fault incredibly fast, Arc Flash Protection significantly reduces the explosive energy released, safeguarding personnel from severe injury and preventing extensive damage to electrical equipment like switchgear. This makes it an indispensable defense layer in industrial, commercial, and utility power systems.
2025/09/03
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