Page last updated Jun 16, 2023 @ 02:29pm

ATS3W100

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Automatic Transfer Switch
for Mobile Applications

120/240VAC, 100 amp

These automatic transfer switches are designed for use in RVs with an AC "shore power" grid service. When plugged into the shore power they will automatically provide AC power to all AC appliances in the RV. To operate your appliances from an onboard generator or alternative Power source simply start them and these switches will automatically transfer the electrical power from the generator to AC appliances. They also feature a time delay of 20 to 30 seconds to allow the generator voltage to stabilize. To comply with the requirements for mobile applications the neutral is also switched. DC contactors are used to reduce chance of chatter and arcing.

If system is 120VAC only (no 240VAC) you must connect to "HOT 1" on this switch.  Connecting to "HOT 2" is optional.

 

Comparison with Other Transfer Switches
(some features not included can be added by user with additional auxiliary relays)

Feature ITS100R
LPT100
Higher Cost Automatic Transfer Switches
Generator Capacity 100 amp (24 kW max) 200 amp (48 kW)
or larger
Voltage 120/240Vac 60Hz 120/240Vac 60Hz
Generator output sensed before transfer Yes Yes
Time delay before loading generator Yes Yes
Under voltage sensing starts generator Not Included Yes
Automatic retransfer when utility restored No Yes
Automatic generator exerciser clock No Usually included
Engine battery trickle charger No Usually included
Short circuit rating Low Medium-High
Dimensions (L x W x D)

Iota ITS100R
Esco LPT100

7.5" x 8.5" x 4"
12" x 10" x 4
"
-----

 

Iota ITS100R Esco LPT100
discontinued

Item Number: LPT100
Price: $598
Price last updated 06/16/2023
Shipping Weight: 15 lbs.
This item normally ships in approximately 1-3 weeks or less.

 

 

 

 

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