China Portable Load Bank Manufacturer, Supplier, Factory
RST Electric is a professional Portable Load Bank manufacturer and supplier in China. We warmly welcome you to wholesale high quality products at competitive price from our factory.
Guangdong Ruisite Electric Co., LTD. It is a manufacturer and supplier of professional Braking Resistor Device for Well Drilling Platform located in China. It is specially designed for the variable frequency drive braking system of the electric drive of the underground drilling rig platform. The resistor elements are made of stable nickel-chromium alloy, ensuring reliability and durability even under extreme conditions.
RST Electric offers a high-performance 100kW Resistive Load Bank designed for precise AC power testing. Ideal for generator commissioning, UPS validation, and data center maintenance, this 100kW AC Load Bank delivers stable resistive load with fast response and overload protection. Built for durability and ease of use, it supports both manual and remote control.
Our 6U portable DC rack mounted load bank is a high performance resistive dummy load test equipment built in industry standard 19 inch 6U rack chassis. Dual purpose design supports both fixed cabinet installation and mobile on site testing.
This resistive DC load unit provides precise, stable DC load simulation, long hour discharge, capacity verification and factory acceptance testing for lithium ion batteries, energy storage systems, UPS, rectifiers, telecom power and other DC power sources. It is widely trusted for lab R&D inspection, on site commissioning, routine preventive maintenance load tests and third party power performance validation.
RST Electric proudly presents the 500kW 380V Load Bank – a powerhouse solution for large scale AC power validation. Engineered for utility grade generator testing, mission critical UPS systems, and industrial power applications, this 500kW 380V AC Load Bank delivers uncompromising resistive load accuracy with ultra fine step control and multi layer safety protections. Designed for continuous full load operation, it features intelligent forced air cooling, a robust IP23 rated chassis (outdoor options available), and dual control modes: local HMI touchscreen and remote PC/Modbus interface. Whether deployed in thermal power plants, hyperscale data centers, or offshore renewable energy farms, this load bank sets the standard for reliability and precision.
RST Electric introduces a heavy-duty 400kW 400V Load Bank engineered for large-scale AC power system validation. Designed for utility-scale generator testing, mission-critical UPS commissioning, and industrial power applications, this 400kW 400V AC Load Bank delivers high-precision resistive loading with advanced step control and comprehensive safety protections. Built for continuous full-load operation, it features forced air cooling, a rugged IP20-rated chassis, and dual-control modes including local HMI and remote PC/Modbus interface. Whether deployed in power plants, hyperscale data centers, or renewable energy facilities, this load bank provides the reliability and accuracy required for demanding test environments.
RST Electric presents the Chassis Mount Power Resistor – a high performance aluminum housed resistor engineered for demanding industrial applications. Featuring a metal aluminum crust with excellent heat radiation properties, this Chassis Mount Resistor is designed for cooling plate installation and long-term operation in harsh environments. With power ratings from 5W to 500W and resistance ranges from 0.1Ω to 10kΩ, it delivers reliable performance in power supplies, variable frequency drives (VFDs), elevators, professional audio, and high-end equipment. Available in ±1%, ±2%, ±5%, and ±10% tolerances with TCR from ±100 ppm/°C to ±300 ppm/°C, this Aluminum Housed Power Resistor undergoes rigorous testing including temperature cycling, load life humidity, vibration, and non-flammability verification.
Ceramic heating elements are widely used in modern heating devices due to their efficiency, durability, and safety. This article explains how these elements work, their advantages, common applications, and tips for selecting the right product. Designed to help customers understand their heating solutions, this guide provides insights to solve typical pain points when dealing with heating technology.
Resistive load banks play a critical role in testing, maintaining, and validating power systems. They provide controlled electrical loads to ensure generators, UPS systems, and other power equipment operate reliably under real-world conditions. This article explores the principles, applications, benefits, and best practices of using resistive load banks to solve common power system challenges.
Non-linear load banks are critical for testing and maintaining modern electrical systems that include non-linear and sensitive loads. These devices help engineers simulate real-world conditions, detect power quality issues, and ensure system reliability. In this article, we will explore the functionality, benefits, and applications of non-linear load banks, addressing common customer pain points and providing actionable insights for industrial and commercial users.
Tubular wirewound resistors are essential components in high-power applications, offering precision, reliability, and excellent heat dissipation. This article explores their structure, working principle, advantages, and common applications, helping engineers and buyers make informed decisions when selecting resistors for demanding circuits.
Shenzhen Metro Line 27 is being built in an underground shield-tunneling environment. The supplied site photos show a rail-bound muck transport locomotive and cars working inside the tunnel, where repeated starts, stops and loaded movements call for predictable electrical braking.
In modern power systems, rectifier-type nonlinear loads are widely deployed across various industries. Traditional linear load testing cannot simulate real operating conditions, which easily causes voltage distortion, excessive harmonic content and overheating faults after power equipment is put into use.
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
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