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Electroswitch 31201B User Manual

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  
  
  


   
  
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 

  
 
 
 
 
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  
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  
 
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    
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Electroswitch 31201B Specifications

General IconGeneral
BrandElectroswitch
Model31201B
CategorySwitch
LanguageEnglish

Summary

Electrical Specifications

Interrupting Ratings

Specifies current ratings for AC and DC circuits at various voltages and frequencies.

Overload and Voltage Breakdown

Details overload operations and minimum voltage breakdown rating for the switch.

Insulation and Contact Resistance

Lists minimum insulation resistance and maximum contact resistance values.

Electrical Life

Indicates that electrical life details are provided on Page 3.

Mechanical Specifications

Sections, Poles, and Positions

Defines the range of sections, poles, and adjustable positions for rotation.

Contact Type and Action

Describes contact configurations (break-before-make, make-before-break) and indexing action.

Mounting and Panel Thickness

Specifies panel mounting method and standard panel thickness compatibility.

Contact Materials

Details the materials used for rotor and stationary contacts.

Product Features and Ordering

Available Contact Assemblages

Notes that additional contact assemblages are available upon request.

Shorting Contact Option

Explains how to specify make-before-break (shorting) contacts by adding '-S'.

Nameplate Options

States that nameplates are optional and incur additional cost.

Assembly Diagrams and Dimensions

Assemblage 2 Details

Shows Assemblage 2 configuration and lists nominal torques, weights, and depth.

Assemblage 3 Details

Illustrates Assemblage 3 and its associated depth behind panel.

Panel Drilling Dimensions

Provides critical dimensions for mounting the switch panel.

Switch Testing Methodology

Testing Procedures

Details mechanical cycling, application-oriented testing, and destruction testing.

UL and CSA Certification

Explains UL recognition and CSA certification processes and requirements.

Specific Test Parameters

Outlines tests for overload, endurance, temperature rise, dielectric strength, and spacings.

Life Expectancy Under Load

AC Life Expectancy

Presents life test results for alternating current in resistive and inductive loads.

DC Life Expectancy

Shows life test results for direct current in resistive and inductive loads.

Switch Numbering System

Standard Switch Numbering

Explains how catalog numbers define switch configuration and features.

Non-Standard and Special Switches

Describes codes for variations and how to order special purpose switches.

Contact Assemblage Diagrams

Assemblage 2 Diagram

Illustrates the contact configuration for Assemblage 2.

Assemblage 3 Diagram

Shows the contact diagram for Assemblage 3.

Assemblage 11 Diagram

Details the make-before-break only contact configuration for Assemblage 11.

Series 21 Contact Diagrams

Presents contact diagrams for Series 21 switches.

Series 24 & 31 Contact Diagrams

Shows contact diagrams for Series 24 and 31 switches.

Non-standard Contact Assemblages

Assemblage 1 Diagram

Illustrates the double-break switching configuration for Assemblage 1.

Assemblage 5 Diagram

Shows the triple pole, double-break switching for Assemblage 5 (Series 25).

Assemblage 6 Diagram

Details the cumulative tap switch, make-before-break configuration.

Assemblage 7 Diagram

Presents the double-break switching configuration for Assemblage 7.

Assemblage 8 Diagram

Shows the configuration for common source circuit feeding pairs for Assemblage 8.

Assemblage 10 Diagram

Illustrates Assemblage 10, similar to 3 but with 'On' first position.