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400A Manual Transfer Switch
250V Single Phase 2 pole
Aluminum NEMA 3R Outdoor Enclosure

For use with standby generators to transfer loads between utility power and auxiliary power.  Two position, with quick-make, quick-break contacts designed to minimize contact arcing and prolong contact life.  Aluminum NEMA 3R outdoor enclosure for wall mounting.  Ample wiring space.  Rated for 400 amps at 250 volts.  Lugs for aluminum and copper wire included.  UL listed.  Manually-operated switch suitable for use in accordance with article 702 of the National Electric Code, ANSI/NFPA 70.  This switch is suitable for use on a circuit capable of delivering not more than 10,000 amperes RMS symmetrical, 250 volts maximum.   Made in USA  

Can be supplied with optional third position (OFF) and rated "Suitable for Use as Service Entrance Equipment."  Select this option using dropdown menu below.

 

Specs

Continuous Current Rating 400 amps (100% rating)
Voltage Rating 250Vac
Short-Circuit Withstand 10,000 amps
Wire Range - Line & Generator (2)250MCM to (2)1/0 CU-AL
(1)600MCM to (1)#4 awg CU-AL
one hole lug *
Wire Range - Load 250MCM to #6 awg CU-AL
four hole lug
Wire Range - Neutral 350MCM to #6 awg CU-AL
six hole bar
Motor HP Rating none
Dimensions 19.75" W x 8.56" D x 31" H
add 3" for side mounted handle
   
* Wire bending space in enclosure based on (2)250MCM, not (1)600MCM.
   Use copper or aluminum wire rated for 75C.

 

Customers who purchased this product also ordered:
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Power inlet PK30, PK50, 300134 for plugging in generator cord or cables
Generator metering NGV25-SW
, MB75, MB125, METERPNL4

Use the service entrance rated switch if installing directly downstream of power company meter (with no disconnect installed in between).

 

not service entrance rated service entrance rated - unfused