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Siemens SBA 2000 User Manual

Siemens SBA 2000
103 pages
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Manual No. SG-
SB Encased Systems Breakers
400-2000 Ampere Frame Ratings
Information and Instruction Guide
Courtesy of NationalSwitchgear.com

Table of Contents

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Siemens SBA 2000 Specifications

General IconGeneral
BrandSiemens
ModelSBA 2000
CategoryCircuit breakers
LanguageEnglish

Summary

Frame Installation Instructions

Installing the Stationary Drawout Element

Step-by-step instructions for preparing and installing the stationary drawout element.

Installing the Moveable Drawout Element

Instructions for uncrating, lifting, and installing the moveable drawout element.

Installing Fixed-Mounted SB Breakers

Instructions for preparing and securing fixed-mounted breakers in the switchboard.

Installation Instructions

Electronic Trip Unit

CAUTION about breaker state, and steps to remove the front cover for trip unit installation.

Rating Plug

CAUTION, checking plug label, inserting/removing rating plug, and replacing cover.

Operating Instructions

Operating the SB Breaker

Details controls and indicators on the front panel for breaker operation.

Manually Charging the Stored Energy Mechanism

Step-by-step guide for manually charging the stored energy mechanism.

Closing the SB Breaker Locally

Instructions for locally closing the breaker, including necessary conditions and warnings.

Opening the SB Breaker Locally

Instructions for locally opening the breaker.

Part Two - Manipulating the Moveable Drawout Element

Manipulating the Moveable Drawout Element

Defines the four positions (Connected, Test, Unlocked, Withdrawn) of the drawout element.

Fully Withdrawn and Unlocked Positions

Steps to move the drawout element between the fully withdrawn and unlocked positions.

Unlocked Position to Test Position

Step-by-step guide to rack the element from unlocked to test position using controls.

Test Position to Connected Position

Steps to rack the element from test to connected position using controls.

Connected Position to Test Position

Steps to rack the element from connected to test position using controls.

Test Position to Unlocked Position

Steps to rack the element from test to unlocked position using controls.

Operations- Functions and Adjustments

Part Three - Monitoring the Electronic Trip Unit

Explains System Check Indicator, Trip Status, and Integral Test Modes for trip unit monitoring.

Operations- Fault Protection Adjustments

Trip Unit Current Shaping Adjustments

Illustrates time current curve adjustments for trip units, including pickup and delay settings.

Operations- Long Time Fault Protection

Adjustable Continuous Amps and Adjustable Long Time Delay

Explains adjustments for continuous current pickup and long time delay settings on trip units.

Operations - Short Time Fault Protection

Adjustable Short Time Pickup and Adjustable Short Time Delay

Details settings for short time pickup levels and time delay parameters for fault protection.

Operations - Instantaneous Fault Protection

Adjustable Instantaneous Pickup

Explains how to set the instantaneous trip current level for immediate fault response.

Operations - Ground Fault Protection

Adjustable Ground Fault Pickup and Adjustable Ground Fault Delay

Covers ground fault pickup levels and delay settings for selective tripping.

Internal Accessories

Electric Motor Operator

Explains the function, components, and installation of the electric motor operator.

Undervoltage Release (UVR) Solenoid

Describes the UVR, its operation, voltage ratings, and installation process.

Shunt Trip

Explains the shunt trip's capability for remote opening and its installation.

External Accessories

Display Module and Ground Fault Monitor

Details the Ground Fault Monitor (GFM) and its settings for ground fault current monitoring.

Ground Fault Monitor Settings

Details ground fault pickup levels (LO, HI, MED) and delay bands for the GFM.

Neutral Sensing Transformer

Designed for residual/source ground fault protection and is mounted on a bus bar.

Universal Test Kit (TS-31)

Procedures for using the TS-31 test kit to test breaker functions and settings.

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