Page last updated Mar 23, 2022 @ 08:18pm

7806 7816

Ronk-7406.gif (76094 bytes)  Ronk-7406inside.jpg (48775 bytes) 
click on thumbnail
image above to enlarge
(similar 2 pole switch shown)

400A Manual Transfer Switch
250V 3 Phase 3 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.



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 25.75" 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:
(click underlined words to see product pages)
Power inlet 300134 for plugging in generator cord or cables
Generator metering

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


not service entrance rated

Item Number: 7806
Price: $1,783
Price last updated 10/13/2022
Shipping Weight: 61 lbs.
This item normally ships in approximately 4-6 weeks or less.
service entrance rated - unfused

Item Number: 7816
Price: $1,924
Price last updated 10/13/2022
Shipping Weight: 61 lbs.
This item normally ships in approximately 4-6 weeks or less.

Are YOU ready for the next power outage?

 1 Videos
 2 Outage Archives
 3 Utility Industry
 4 Why You Need Backup
 5 Personal Stories
 6 NoOutage Configurations
 7 Safety
 8 Sizing for Your Needs
 9 Voltage Drop Calculator
10 Test Reports
11 Placing Order
12 Equipment Leasing
13 Books & Videos  
14 Financing
15 Frequently Asked
16 Future Technologies
17 Electricity Glossary
18 Help with Plug Types
19 Who We Are
20 Why Buy Here
21 Our Customers
22 Pick a Contractor
23 Privacy Promise
24 Safe Shopping Guarantee
25 Terms & Conditions
26 What's New
27 Contacting Us
28 Parts Lookup
29 Parts & Service
30 Made in USA
31 Links

We welcome your feedback or questions.  Click here to contact us.
See our Terms & Conditions before using information or ordering from this web site.
Copyright 1999-2023 LLC.  All rights reserved.