Shopping Cart

Your cart is empty.

Your cart is empty.

Marsflex 30 Amp Generator Inlet Box and Generator Interlock Kit

5.0 Write Review
Free shipping on orders over $29.99

$52.23

$ 22 .99 $22.99

In Stock
  • Safety Certification: Marsflex L14-30P 30Amp generator inlet box is ETL Listed for peace of mind. It's rated for 125/250V, 7500W, and 30 Amps, ensuring safe and reliable power transfer. Compatible with all 4-prong NEMA L14-30R generator cords, it's designed to meet your power needs with confidence.
  • Excellent Protection Performance: Marsflex Generator Power Inlet Box is designed to be sturdy and durable, and is certified as an excellent NEMA 3R protection level Power Inlet Box, offering unparalled resistance to wind, rain, and rust It flip design, enhanced with weather proofing foam, shields against dust and humidity, providing optimal protection in any weather scenario
  • [Compatible Models] Marsflex generator interlock kit compatible with cutler hammer horizontal main only CH series TAN breaker 150 & 200 amp panels.1-1/2 inches spacing between main and generator breaker
  • [Safety Interlock Kit] This kit prevents municipal electricity and generator supplies from being on at the same time, avoid the inconvenience that may be caused by unexpected power outages, and it avoids damaging electrical equipment. It is used to safely direct generator power to any circuit in your home, while ensuring that you have safe access to all your household appliances
  • [Reliable Service] Choose our 30 Amp Generator Inlet Box and Generator Interlock Kit for professional and safe use. If any issues arise, feel free to contact us for prompt support and expert guidance


Marsflex 30 Amp Generator Inlet Box, Pre-Drilling NEMA L14-30P Power Inlet Box for 125/250 Volt, 7500 Watts Generator Power Inlet Box, Weatherproof Outdoor Use with LED Power Indicator, ETL Listed Marsflex Generator Interlock Kit for Cutler Hammer Horizontal Main only CH SERIES TAN Breaker 150 & 200 Amp Panels, 1 1/2 Inches Spacing between Main and Generator Breaker, Professional Interlock Kit


Recommended Products
30 Amp Generator Inlet Box with Green Safety Light, NEMA L14-30P Power Inlet Box for 4 Prong Generator Cord, ETL Listed 125/250 Volt, 7500 Watts for RV, Outdoor

$28.99

$ 14 .99 $14.99

5.0
Select Option
50 Amp Generator RV Power Inlet Box, NEMA 3R Generator Receptacle 50 Amp, NEMA SS 2-50P PB50 Weatherproof Inlet Box, 125/250 Volt,12500 Watts Generator Transfer Switch, ETL Listed

$29.99

$ 12 .99 $12.99

4.9
Select Option
STARELO L14-30P Box&Big Metric Box Connectors

$28.99

$ 12 .99 $12.99

4.7
Select Option
Twist N Clean Foam Generator Insert

$32.78

$ 16 .99 $16.99

4.7
Select Option
30 Amp Generator Power Inlet Box, NEMA L14-30P 125/250V 3750/7500W, Pre-Drilled for Easy Installation, Weatherproof & Anti-Rust Design, LED Power Indicator, Ideal for Outdoor Generator Use

$30.00

$ 15 .99 $15.99

4.6
Select Option
50 amp Generator Inlet Box,3 Prongs NEMA SS2-50P Power Inlet Box for 3 Prong Generator Cord with Green Safely Light Waterproof for Outdoor Use,ETL Listed

$28.99

$ 13 .99 $13.99

4.5
Select Option
50 Amp Power Generator Inlet Box, ETL Listed NEMA SS2-50P Power Inlet Box for 3 Prong Generator Cord, 125/250 Volt, 12500 Watts Generator Transfer Switch Weatherproof, Outdoor Use 2 Pieces

$69.99

$ 27 .99 $27.99

5.0
Select Option
50 Amp Generator Inlet Box, SS2-50P Power Inlet Box with Green Safely Light, Pre-Drilled Hole, Weatherproof, Generator Transfer Switch for 3 Prong Generator Cord, 125/250V, 12500W, ETL Listed

$20.99

$ 9 .99 $9.99

4.3
Select Option