Sel SEL-421-5 Manuals

Manuals and User Guides for Sel SEL-421-5. We have 3 Sel SEL-421-5 manuals available for free PDF download: Instruction Manual, Manual, Application Manual

Sel SEL-421-5 Instruction Manual (370 pages)

Protection and Automation System

Brand: Sel | Category: Relays | Size: 9 MB

Sel SEL-421-5 Manual (33 pages)

Protection, Automation, and Control System

Brand: Sel | Category: Control Systems | Size: 2 MB

Functional Overview
3
Protection Features
4
Directional Elements
6
Communications-Assisted Tripping Schemes
6
Combined Current for Protection Flexibility
7
Additional Features
7
Front Panel Display
7
Circuit Breaker Operations from the Front Panel
8
Bay Control
8
One-Line Bay Diagrams
8
Rack-Type Breakers Mosaics
9
Status and Trip Target Leds
9
Alarm Points
10
Display Points
10
Advanced Display Points
10
Communications Features
11
SNTP Time Synchronization
12
MMS File Services
12
MMS Authentication
13
Open Communications Protocols
13
Flexible Control Logic and Integration Features
14
SEL OGIC Control Equations with Expanded Capabilities and Aliases
14
Oscillography and Event Reporting
16
Event Summary
16
Substation Battery Monitor for DC Quality Assurance
17
Diagrams and Dimensions
18
Models and Options
20
Specifications
22
Reporting Functions
26
Processing Specifications
26
Technical Support
30

Sel SEL-421-5 Application Manual (24 pages)

Brand: Sel | Category: Relays | Size: 0 MB

Sel Categories

Relays Controller Control Systems Control Unit Power distribution unit

More Sel Manuals

Sel SEL-421-5 Manuals

Sel SEL-421-5 Instruction Manual (370 pages)

Table of Contents

Table of Contents

List of Tables

List of Figures

Sel SEL-421-5 Manual (33 pages)

Table of Contents

Sel SEL-421-5 Application Manual (24 pages)

Table of Contents

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