Schneider Electric ASCO Instruction Manual

Confidential Property of Schneider Electric

Configured to Order Automatic Transfer Switch Applications

Presented by: Ryan Surmik – Southeast Area Sales Manager

• A device which transfers electrical loads between two

sources using either manual or automatic controls.

Transfer Switch Definition – A Quick Recap

UTILITY LOAD GENERATOR

TRANSFER SWITCH

What is a transfer switch?

An ATS is
powered by
the source

that it’s

transferring

to…

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Seven Major Functions of An Automatic Transfer Switch

• Carry Current Continuously

• Detect Power Failures

• Initiate Alternate Source

• Transfer Load

• Sense Restoration of Normal

• Retransfer Load To Normal

• Withstand And Close On Fault Currents

Purpose Of An Automatic Transfer Switch – A Quick Recap

UTILITY LOAD GENERATOR

TRANSFER SWITCH

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ATS Physical Elements

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Automatic Transfer Switch Product Overview

Residential Mission Critical

ASCO SERIES 185 Power

Transfer Switches

ASCO SERIES 300 Power

Transfer Switches

ASCO SERIES 7000 Power

Transfer Switches

Light Commercial & Industrial

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Balancing Need Based on the Application

Residential, Commercial, Industrial

• “I need a switch…”

• Notion of Pre-Configuration:

• Decrease time from concept to customer

delivery

• Reduce engineering time through

predefined accessory availability

• Can serve an immediate need

• Stock or Configured-to-Order

Mission Critical

• “I need a switch, AND it has to have

a,b,c and do x,y,z”

• Highly Specified by Owner or

Consulting Engineer

• Fully customizable

• Feature Rich

• Typically Engineered-to-Order

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Balancing Need Based on the Application

Residential

ASCO SERIES 185 Power

Transfer Switches

ASCO SERIES 300 Power

Transfer Switches

Light Commercial & Industrial

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ASCO SERIES 185 - Residential

■ 100-400A

■ 240V/120V Single Phase

■ Type 1 or 3R enclosure

■ Auto or Manual

■ Service Entrance Breaker (optional)

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ASCO SERIES 185 - Residential

■ Equipped with In Phase Monitor

■ Adjustable Dip Switch Settings for Pre-

Defined Settings

● Engine Exerciser – On/Off

● Exercise with or without load – On/Off

● Limited Time Delay Adjustments

● Limited Pickup and Dropout Voltage Adjustments

■ Optional Features

● Strip Heater (for Outdoor Installations)

● Connectivity for use with Remote Annunciator

● Position Indication Contact

● Fusing and Controls for Air-Cooled Generators

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ASCO SERIES 185 - Residential

■ Manual Configurations

● Deletes the Control Panel

● True Double Throw, Manual Operation Between Sources via

External Handle

■ Service Entrance Configurations

● Adds Manually Operated Circuit Breaker on Utility Source and

Bonding Jumper on Neutral and Ground

● Meets all NEC Requirements for Service Entrance Equipment

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Residential Applications

MTS/ATS Application

`

■ ATS feeds a standby circuit

breaker panel for specific
branches during a power
outage

● HVAC

● Refrigeration

● Sump Pump

Service Entrance ATS Application

■ Service Entrance Rated ATS

feeds the whole house through
the load center

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ASCO SERIES 300 Automatic Transfer Switch

■ 30A - 3000A

■ 120V - 600V

■ 2, 3 or 4 Pole Configuration

■ Single & Three Phase

■ Automatic, Non-Automatic, or Manual

■ Open Transition or Delayed Transition

■ Enclosure Options – Type 1, 3R, 12, 4X

■ Service Entrance Breaker Option

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