Key Benefits

• Comprehensive motor protection for medium and large induction and  synchronous motors

• User-configurable Single Line Drawing on color display for local control, system status, and metering

• Advanced motor diagnostics with comprehensive fault and disturbance recording

• Integrated arc flash detection using light sensors supervised by overcurrent to reduce incident

energy and equipment damage

• Advanced cyber security including features such as AAA, Radius, RBAC, and Syslog helps enable

NERC® CIP requirements

• Draw-out design simplifies testing and increases process uptime

• Supports the latest in communication protocols and networking technology, enabling seamless

system integration and interoperability

• Optional Wi-Fi connectivity minimizes system configuration and facilitates safe relay programming

and diagnostic retrieval

Multilin 869

Comprehensive Motor Protection and Management for Medium and Large Motors

The Multilin™ 869 relay is a member of the Multilin 8 Series protective relay platform and has

been designed for the protection, control and management of medium and large induction and

synchronous motors.

The Multilin 869 provides advanced functionality for various types of applications such as high-

speed protection, extensively customizable programmable logic, advanced motor monitoring and

diagnostics, and flexible configuration capabilities.

The Multilin 869 is now available with an integrated synchronous motor protection module for

protection and control of synchronous motors.

Advanced communications in the 8 Series platform allows easy integration into process and electrical

control systems for smoother asset monitoring and control.

Applications

• Single/dual feeder applications for utility, oil & gas, mining & metals, process industry,

commercial, and waste water segments

• Fast protection pass enabling load shedding schemes

• Reliable automatic bus transfer & autoreclose schemes

• Bay controller for wide range of switchgear applications

• High speed fault detection for arc flash mitigation

Multilin 850 Overview

The Multilin 850 is an advanced feeder protection device designed

for high performance, protection, control and monitoring of incoming

and outgoing feeders.

With up to 57 digital inputs and 22 digital outputs in a compact box,

the 850 provides a versatile and cost effective control, protection,

measurement & monitoring solution. Flexelements and Flexlogic

enable users to customize schemes to meet a variety of applications.

From dual main to main-standby configurations, the

Multilin 850D delivers a more economical and reliable solution,

enabling customers to reduce hardware requirements and simplify

device integration, including safe and secure Wi-Fi communications

for system configuration and diagnostics.

Key Benefits

• One Box Solution with advanced logic and configuration flexibility, providing primary

or backup protection for up to 2 feeders or feeders with 2 sets of voltage inputs

• User configurable Single Line Diagram on color display for local control, system status,

and metering

• Advanced breaker diagnostics with comprehensive fault and disturbance recording

• Integrated arc flash detection using light sensors supervised by overcurrent to reduce

incident energy and equipment damage

• Advanced cyber security features including AAA, Radius, RBAC, and Syslog enabling

NERC® CIP requirements

• Draw-out design simplifies testing, commissioning and maintenance, increasing

process uptime

• Patented environmental monitoring, providing visibility to changes in environmental

conditions that can affect relay life

The Multilin™ 850 relay is a member of the Multilin 8 Series protective relay platform and

has been designed for the management, protection and control of feeder applications.

The Multilin 850 is used to provide primary (main) or backup protection for underground

and overhead single or dual feeders for utility and industrial power networks.

With 11 Switchgear control elements, fully configurable Single Line Diagram on a large

color graphical display, 36 alarm integrated annunciator panel and 20 push buttons

makes the 850 the ideal choice for bay control and protection as a “One Box Solution”.

Designed with advanced communications options and detailed asset monitoring

capabilities, the Multilin 850 provides advanced functionality, including high-performance

protection, extensive programmable logic and flexible configuration capabilities. With

support for industry leading communications protocols and technologies, the 850 provides

easy integration into new or existing SCADA or DCS for enhanced situational awareness.

Pioneering Technology & Design

The Multilin 845 is part of the 8 Series platform that provides comprehensive,

high performance protection and control for critical assets in Industrial and

utility environments.

Utilizing decades of experience in transformer protection, GE has

implemented ease-of-use features, such as single screen setup and

condition-based health monitoring and diagnostics, including integrated

transformer fault gas collection, trending, and analytics.

The Mutilin 8 Series products have an integrated protection integrity engine

that utilizes customized algorithms, providing advanced diagnostics to

ensure asset protection is not compromised.

Maintaining and safeguarding the electrical supply of an operation is critical

to ensuring maximum process availability and performance.

The 8 Series incorporates the latest cyber security features, including

password complexity, RADIUS authentication and role-based access control

(RBAC), enabling customers to comply with NERC CIP and NISTIR 7628

requirements.

Understanding that customers need protection and control devices that

must reliably operate in harsh and challenging environments, GE delivers

the Multilin 8 Series with harsh conformal coating on all printed circuit

boards and a patented environmental awareness module that provides

real-time detection of environmental factors that affect product life, as part

of its standard offering, delivering higher reliability and extended relay life.

Exceptional Quality & Reliability

Industry-leading quality, reliability and design processes are at the core of

GE’s next generation protective relay platform. With significant investments

in state-of-the-art type test facilities that simulate a complete range

of operating environments and manufactured to the IPC A-610 Class 3

standard, adhering to the highest reliability standards and ensuring rugged

performance, each device completes Environmental Stress Screening prior

to shipping from GE’s facility.

The Multilin 8 Series Protection Relays are manufactured in an ISO®

9001:2008 certified manufacturing facility.

Uncompromised Reliability & Service

Designed, manufactured and tested to industry standards at our state-of

the-art facilities, the Multilin 8 Series delivers maximum performance for

today’s most demanding environments.

In addition to the superior technology and innovative design advancements

that enable delivery of uncompromised performance and reliability, the

Multilin 8 Series is also backed by GE’s 10 year warranty plan.

Multilin 8 Series Platform Overview

From oil pumping and refining facilities, to open pit or underground mining

and processing operations, to large or small utilities, customers demand

solutions that ensure maximum process uptime, minimum operational

and maintenance efforts, and have the durability to withstand harsh

environmental conditions.

The Multilin 8 Series is GE’s next-generation protection and control relay

platform provides comprehensive protection and asset monitoring for

critical feeders, motors, generators, and transformers.

The 8 Series is designed to solve the challenges that customers face in

running their day-to-day operations including maximizing system and

process uptime, simplifying system integration and maintenance, and

extending the life of critical assets. Utilizing advanced design practices,

superior technology (elimination of all electrolytic capacitors), and state-of

the art test and manufacturing facilities, GE is raising the bar on system

performance and reliability.

With advanced communications the 8 Series integrates easily and

seamlessly into new or existing DCS/SCADA system, along with other Multilin

protection devices, providing a comprehensive solution for the end-to-end

electrical system within the operations.

Key Benefits

• Comprehensive transformer protection for small, medium and large transformers

• Advanced transformer diagnostics and disturbance recording extending asset life

• Integrated protection and DGA device operation for advanced warning of potential issues before they

become critical transformer faults or failures

• High-end cyber security tools such as AAA, Radius, RBAC, and Syslog helps enable NERC® CIP requirements

• Draw-out design simplifies testing, commissioning and maintenance, thereby increasing process uptime

• Optional Wi-Fi connectivity minimizes system configuration and facilitates safe relay programming

and diagnostic retrieval

• Monitored environmental conditions helps reduce system downtime

• High flexibility for customized protection and control logic

Applications

• Primary and back-up protection and management of small, medium and larger power and

distribution transformers, autotransformers and reactors

• Designed for Utility (Transmission & Distribution) or Industrial applications

• Integrated transformer protection, monitoring diagnostics and transformer health visualization

Comprehensive Protection & Management

for Power & Distribution Transformers

The Multilin™ 845 Transformer Protection System is a member of the Multilin 8 Series protective relay

platform and has been designed for the protection, control and management of 2- and 3-winding

power and distribution transformers in both utility and industrial applications.

The Multilin 845 provides advanced functionality for a wide range of transformer applications delivering

high-speed protection, customizable programmable logic, advanced transformer monitoring and

diagnostics, and support for the latest communications protocols for easy integration into new or

existing power systems.

Advanced communications of the 8 Series platform allows easy integration into process and electrical

control systems for smoother asset monitoring and control.

The Multilin 845 delivers comprehensive transformer health monitoring, diagnostics, and reporting with

integrated connectivity to composite and multiple gas transformer DGA solutions such as, GE’s Kelman

Transformer Monitoring devices, delivering actionable analytics for asset optimization and transformer

life extension.