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GE’s Multilin 869 Offers World Class Motor Protection

GE Multilin 869 – An innovation in motor protection solutions

The workhorse of any industrial plant is its motor. Without the motor, the plant fails to be productive. As such an integral factory component, the onus is on the company to ensure their facilities have world-class motor protection so production continues unhindered.

GE’s Multilin 869 is an innovative protective relay designed with maximum productivity and motor protection in mind. It features advanced functionality and versatility by being able to handle various applications such as:

– high-speed protection

– customizable program logic

– advanced motor monitoring and diagnostics

– flexible configuration capabilities.

The Multilin 869 offers several key benefits including:

– comprehensive protection for medium and large induction motors

– Integrated arc flash detection using light sensors and incident reduction technology

– High-end cyber security

– Optional Wi-Fi connectivity and configuration.

 

Mutilin 869’s versatility allows it to provide protection and control for several types of motors and it is compatible with a range of loads. With a fast protection pass, running every 1/8th of a cycle, the 869 relay provides faster current, voltage, power and frequency protection elements. It can be easily integrated into new or existing configurations due to this adaptable nature.

 

Among the 869’s contributing components are:

– Field Swappable Power Supply- Ensures longevity while minimizing costly maintenance repairs

– Harsh Environment Conformal Coating

– No Electrolytic Capacitors- minimizes frequency of electrical/power failure

– IPC A-610 Class 3 Manufacturing

– Robust Extrude Aluminum Chassis- provides optimal thermal management and protection

– Draw-Out, for simplified device fleet management.

 

The 869’s motor thermal model is enhanced to reduce instances of failure due to extensive heating. The model is flexible in order to accommodate high inertial and cyclic loads, among other applications.

The 869 also offers two types of starter differentials. Dual slope percent differential checks for AC and DC saturation; core balanced differential protects against inrush currents during motor startup.

Additionally, the 869 offers VFD (Variable Frequency Drive) protections from 3-72 Hz, as well as reduced voltage starting; both of these features help guard against power influxes and voltage overloads that could contribute to motor failure.

GE’s Multilin 869 has all of the necessary features for optimal motor protection. Durable, adaptable, and innovative, it is designed to meet your company’s high demand for productivity. If you are interested in learning how to bring this product to your facility, give us a call at 615-828-8028 or contact us online today.

One Response to “ GE’s Multilin 869 Offers World Class Motor Protection ”

  1. Ed Scherry

    What are the overcurrent items that can be set and what are the ranges?
    TOC = setting times CT; ANSI Very Inverse 1(fixed) and 20; IOC1 = setting times CT with a Delay of 0.5s; IOC2 = setting times CT with a Delay of 0.1s; and an I2T curve of 1. Are there any other settings if there are not any RTD’s.

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