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3KC4
Manual
Siemens 3KC4 Manual
Transfer switching equipment and load transfer switches
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Contents
Table of Contents
Bookmarks
Table of Contents
Legal Information
Table of Contents
1 Introduction
2 General Information
Certification
3 Product Information
Product Description
Design of the 3KC4 and 3KC8 Transfer Switching Equipment
Current Ratings of the 3KC4 and 3KC8 Transfer Switching Equipment
Product Family
The Product Families 3KC4 and 3KC8 from 250 a to 3200 a
Use of 3KC4 and 3KC8 Transfer Switching Equipment
Properties of the 3KC4 and 3KC8 Transfer Switching Equipment
Application Areas of the 3KC4 and 3KC8 Transfer Switching Equipment
4 Functions
5 Mounting
Mounting Position
Installing the 3KC4 and 3KC8 Transfer Switching Equipment
Dimensions of the Cover Frame for Door Cut-Out
6 Connection
Network Types
Three-Phase 4-Wire Network with Neutral (3PH + N)
Circuit Diagram for the 3KC4 Transfer Switching Equipment - 4-Pole Transfer Switching Equipment
Circuit Diagram for the 3KC8 Transfer Switching Equipment - 4-Pole Transfer Switching Equipment
Three-Phase 3-Wire Network Without Neutral (3PH)
Equipment
Circuit Diagram for the 3KC8 Transfer Switching Equipment - 4-Pole Transfer Switching
Equipment
Circuit Diagram for the 3KC8 Transfer Switching Equipment - 3-Pole Transfer Switching Equipment
Single-Phase Network with Neutral (1PH + N)
Circuit Diagram for the 3KC4 Transfer Switching Equipment - 3-Pole Transfer Switching
Equipment
Circuit Diagram for the 3KC8 Transfer Switching Equipment - 3-Pole Transfer Switching
Equipment
Connecting the Main Circuit
Connecting Terminals of the Transfer Switching Equipment
Load Connection
Arrangement of the Power Supply Systems
Connection of Transfer Switching Equipment for Current Ratings 250 a to 1600 a
Connecting Bridging Bars on the Load Side
Connecting Current Ratings 250 a to 1600 a to the Main Circuit
Connection of Transfer Switching Equipment for Current Ratings 2000 a to 3200 a
Copper Bar Connection Kit
Connecting Current Ratings 2000 a to 3200 a to the Main Circuit (on the Line Side)
Connecting Current Ratings 2000 a to 3200 a to the Main Circuit (on the Load Side)
Connecting the Control Circuit
Inputs and Outputs of the Motor Operator
Overview of Motor Operator
Connecting the Inputs and Outputs of the Motor Operator
Power Supply of the Motor Operator (3KC4 Only)
Mounting and Connecting the Dual Power Supply (DPS)
Installing and Connecting an Autotransformer (400 V / 230 V)
Auxiliary Switch of the Transfer Switching Equipment
Installing Auxiliary Switches 250 a to 630 a
Installing Auxiliary Switches of Current Rating 800 a to 1600 a
Inputs and Outputs of the Electronic Module (3KC8 Only)
Connecting the Inputs and Outputs of the Electronic Module (3KC8 Only)
Installing Accessories for the Electronic Module
Connecting Power Supply Kit 3KC9830-, 3KC9831- (4-Pole)
Connecting the Auxiliary Conductor Terminal 3KC9822-, 3KC9832- for a Three-Phase 3-Wire Network (3-Pole)
Connecting Power Supply Kit 3KC9833-, 3KC9834- for Single-Phase Network
7 Operation
Operating Modes of the Transfer Switching Equipment
Remote Mode
Manual Operation
Padlocking Mode
Automatic Mode (3KC8 Only)
Functions of the Inputs and Outputs
Inputs and Outputs of the Motor Operator
Outputs of the Motor Operator
Auxiliary Switches
Inputs and Outputs of the Electronic Module (3KC8 Only)
Inputs for Voltage Measurement and Power Supply
Control Inputs of the Electronic Module
Functions of the Control Inputs for Network / Generator Application
Functions of the Control Inputs for Network / Network Application
Outputs of the Electronic Module
Remote Mode
Impulse Logic
Continuous Operation Logic
Automatic Mode - Programming of the Electronic Module (3KC8 Only)
Step 1: Preset Network Conditions
Step 2: Setting the Potentiometer
Step 3: Automatic Configuration of the Transfer Switching Equipment (Only with Potentiometer un = 0)
Step 4: Saving the Configuration
Step 5: Switching the 3KC8 Transfer Switching Equipment to Automatic Mode
8 Commissioning
Commissioning the 3KC4 Transfer Switching Equipment
Commissioning the 3KC8 Transfer Switching Equipment
9 Accessories
Terminal Covers
Mounting Terminal Covers
Phase Barriers
Mounting Phase Barriers
Terminal Plates
Mounting Terminal Plates
Mounting Spacers
Fitting Mounting Spacers
Bridging Bars
Copper Bar Connection Kit
Autotransformer
Dual Power Supply (DPS, 3KC4 Only)
Power Supply Kit 3KC9830-, 3KC9831- (4-Pole, 3KC8 Only)
Auxiliary Conductor Terminal 3KC9822-, 3KC9832- (3-Pole, 3KC8 Only)
Power Supply Kit 3KC9833-, 3KC9834- (2-Pole, 3KC8 Only)
Cover Frame (3KC8 Only)
Auxiliary Switches
Display (3KC8 Only)
Connection Cable (3KC8 Only)
Sealable Cover (3KC8 Only)
Motor Operator
Electronic Module (3KC8 Only)
10 Service and Maintenance
Fault Rectification
Fault States and Fault Detection on the 3KC4 Transfer Switching Equipment
Fault States and Fault Detection on the 3KC8 Transfer Switching Equipment
Regular Service and Maintenance
11 Technical Specifications
Technical Specifications 3KC4 and 3KC8 from 250 a to 1000 a
Technical Specifications 3KC4 and 3KC8 from 1250 a to 3200 a
Technical Specifications of the Electronic Module
12 Dimension Drawings
Dimension Drawings of the 3KC4 Transfer Switching Equipment
Dimension Drawings of the 3KC8 Transfer Switching Equipment
13 Applications
Transfer between Two Sources with One Outgoing Load
Transfer between Two Sources with Two Outgoing Loads
Transfer between Three Sources with One Outgoing Load
Transfer between Three Sources with Two Outgoing Loads
Transfer between Two Loads with One Incoming Source (with 3KC4 Transfer Switching Equipment Only)
Appendix
Environmental Conditions
A.1 Environmental Conditions
Operating Conditions
Temperature
Humidity
Altitude Conditions
A.2 Operating Conditions
Storage Conditions
Temperature
Storage Position
A Appendix
ESD Guidelines
Electrostatic Sensitive Devices (ESD)
List of Abbreviations
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Quick Links
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Product Description
2
Design of the 3Kc4 and 3Kc8 Transfer Switching Equipment
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See also:
Configuration Manual
,
Instruction Manual
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