EV-Switch tm / TFI-104 Automatic 240VAC Switch + AC Meter
The EV-Switch tm / TFI-104 is an Automatic 240VAC Switch to time-share an existing 240VAC outlet between two AC loads. The user simply plugs the cable to the existing 240VAC outlet, then connects a high priority AC load, e.g., an electric dryer to Dr side and a low priority AC load, e.g., an EV charging unit to EV side. When Dr side is not active, EV side can be used for EV charging. When Dr side is active, EV side will be swiftly, safely and automatically disconnected from the AC source. (See User Guide for details). After the Dr side becomes inactive for more than 2 minutes, the EV side is automatically reconnected to the AC source.
In case the electric dryer is not needed, the EV-Switch tm / TFI-104 can also be used to time-share the charging of two electric vehicles. A cascade of 2xEV-Switch tm / TFI-1x4 or 1x EV-Switch tm / TFI-2x4 and 1xEV-Switch tm / TFI-1x4 enables the time-sharing of 3x AC loads, e.g., 1x Dryer + 2x EVs.
The EV-Switch tm / TFI-104 comes with two industrial-grade Bryant or Hubbell or generic NEMA 14-30R receptacles, an AC multi-meter (Japanese technology, measurements are within 1% accuracy) and can operate at 24A up to 40C (104F) ambient temperature without thermal interruption.
The option S provides the extra safety protection by limiting the EV charging current to 27A (+/- 5%). (Note that certain charging units such as Tesla Mobile Units with NEMA 14-30P already limit the charging current to 24A maximum thus they do not need this option).
The EV-Switch tm / TFI-104, -S box dimensions are : 6.3in x 6.3in x 2.36 in.
The EV-Switch tm / TFI-104-B/-H/-SB/-SH box dimensions are : 6.3in x 6.3in x 3.54in.
(Limited) Warranty period : EV-Switch tm / TFI-104 , -104S : 1 year ; EV-Switch tm / TFI-104B , -104SB : 2 years ; EV-Switch tm / TFI-104H , -104SH : 3 years.
Buyer 's Tip :
This product is for a user who wants the convenience and safety enhancement of a Japanese-technology AC meter, and has plan to charge more than one electric vehicle in one charging session.
If the EV is not a Tesla and the user does not know the charging current limit of their EVSE Level2 device or if the user simply wants peace of mind, then they should consider getting option S for extra protection.
Operating Temperature Range :
0 C to 40 C (32 F to 104 F) in EV mode0 C to 45 C (32 F to 113 F) in Dr mode
(Contact factory regarding customization for operation up to 50C (122F) in EV mode without thermal interruption)
Note: Option -H (Hubbell 14-30R receptacles) may currently require long lead time due to limited availability !
What 's in the Box :
1. EV-Switch tm / TFI-104xx unit with standard 4ft-cable
2. 4X Mounting brackets + 4X screws
3. Spare fuse
How To Set-Up :