We spent many hours on research and managed to find top 10 breaker interlock for generator transfer switch that is best suitable for you. This review is based on reliable sources, product specs, and hundreds of customer reviews. In this article, were going to highlight the main features of the best breaker interlock for generator transfer switch and why they are important when it comes to choosing the right one.
Best breaker interlock for generator transfer switch
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Best breaker interlock for generator transfer switch reviews
1. Reliance Controls Generators Up to 7,500 Running Watts PB30 30-Amp NEMA 3R Power Inlet Box for, Gray
Feature
For indoor or outdoor use with specific transfer switches, manual transfer panels and generator-ready load centersOutdoor, raintight NEMA 3R non-metallic power inlet box provides generous wiring space
Maximum generator running watts: 7,500
Maximum generator input: 30A @ 125/250 VAC
UL listed and comes with a 5-year product warranty
Description
The Reliance Controls PB30 NEMA 3R Power Inlet Box is an outdoor/watertight electrical inlet for a 30 Amp L14-30 generator cord. It is designed to be located outdoors where the generator is running to prevent dangerous carbon monoxide fumes from the generator from entering your house. This inlet box is then safely hardwired through an outside wall directly to the transfer switch or panel, eliminating the need for cords running through windows or doors. It is designed to be wired directly to the transfer switch or panel by using one of the four combination 1/2-inch and 3/4-inch knockouts (one on each side, bottom and back). The exclusive patented design provides generous wiring space and facilitates rough-in. The face of the box is removable for easy placement and wiring. It is constructed of steel with rugged, anti-corrosive powder-coat paint and has a spring-loaded inlet cap to prevent moisture front entering the connector inlet when not in use. Since 1909, Reliance Controls Corporation has contributed more innovations that any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators and inverters. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.2. Reliance Controls 31410CRK Pro/Tran 10-Circuit 30 Amp Generator Transfer Switch Kit,Gray
Feature
Kit includes 31410C ten-circuit prewired transfer switch, PC3010 power cord (10 feet, 10 AWG, L14-30 ends), PB30 outdoor painted steel power inlet box, wire nuts, and L14-20 male plug for 20A generator outletsConvenient kit for your transfer switch, circuitry and multi-wiring needs
Maximum generator running watts: 7,501
18-inch flexible conduit whip attaches easily, and indoor surface mount transfer switch designed for fast installation in both residential and commercial applications
cUL1008 listed and comes with a 5-year product warranty
Description
The Reliance Controls Corporation 31410CRK 10-circuit Pro/Tran Transfer Switch Kit has everything you need to easily complete a portable generator transfer switch installation in a home or office. The purpose of a transfer switch is to connect a secondary power source, like your portable generator, to circuits in your home or building that are wired into the electrical system. It is designed to enable the wiring system of the building to accept the full power of a portable generator, which can run multiple electrical appliances and devices during a power outage. The transfer switch ensures that you can safely use back up power during a power outage without having to worry about back feeding the utility line. In an emergency situation you might not think to shut off the main power source, the transfer switch makes it so you do not have to worry about that. This kit includes pre-wired transfer switch with wattage meters, 10-foot power cord, 30A power inlet box, wire connectors and extra 20A plug end. For indoor use. cULus listed. It is important that all manual transfer switches that are installed indoors be used with the correct inlet box, this kit ensures that you have the right one. This single phase transfer switch can be used with any generator up to 8,000 running watts. Since 1909, Reliance Controls Corporation has contributed more innovations that any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.3. Reliance Controls Corporation 31406CRK 30 Amp 6-circuit Pro/Tran Transfer Switch Kit for Generators (7500 Watts).,Gray
Feature
Kit includes 31406C six-circuit prewired transfer switch, PC3010 power cord (10 feet, 10 AWG, L14-30 ends), PB30 outdoor painted steel remote power inlet box, wire nuts, and L14-20 male plug for 20A generator outletsConvenient kit for your transfer switch, circuitry and multi-wiring needs
Maximum generator running watts: 7,500
18-inch flexible conduit whip attaches easily, and indoor surface mount transfer switch designed for fast installation in both residential and commercial applications
cUL1008 listed and comes with a 5-year product warranty
Description
The Reliance Controls 31406CRK 6-circuit Pro/Tran Transfer Switch Kit has everything you need to easily complete a portable generator transfer switch installation in a home or office. The purpose of a transfer switch is to connect a secondary power source, like your portable generator, to circuits in your home or building that are wired into the electrical system. It is designed to enable the wiring system of the building to accept the full power of a portable generator, which can run multiple electrical appliances and devices during a power outage. The transfer switch ensures that you can safely use back up power during a power outage without having to worry about back feeding the utility line. In an emergency situation you might not think to shut off the main power source, the transfer switch makes it so you do not have to worry about that. This kit includes a Includes pre-wired transfer switch with wattage meters, 10-foot power cord, 30A power inlet box, wire connectors and extra 20A plug end. For indoor use. cULus listed. It is important that all manual transfer switches that are installed indoors be used with the correct inlet box, this kit ensures that you have the right one. This single phase transfer switch can be used with any generator up to 7500 running watts. Since 1909, Reliance Controls Corporation has contributed more innovations that any other single manufacturer and has been awarded over 85 patents on manual transfer switches, time switches and accessories. Reliance Controls Corporation specializes in the manufacturing of a wide variety of electrical products. The primary product line consists of heavy duty time clocks and controls, generator accessories, transfer switches and transfer panels for portable generators. And after over a century of innovation, Reliance Controls Corporation has built an enviable reputation for high quality, superior engineering and exceptional customer service.4. Square D by Schneider Electric QO1DM10030TRBR 30-Amp Generator Main Breaker Outdoor Manual Transfer Switch with 30-Amp Twist-lock Receptacle
Feature
Use to connect to a standby power source to as many as 8 circuitsChanges from utility power to a standby source with the flip of 2 QO main circuit breakers
Includes a 30 Amp 4-Watt L14-30P twist-lock receptacle in the bottom end wall for direct connection from a generator cord supply
Single phase, 120/240 VAC, for outdoor use
Mechanical interlock helps ensure that only 1 main circuit breaker is in the on position at any time
Description
The Square D by Schneider Electric QO 30/100 Amp 4-Space 8-Circuit Temporary Transfer Generator Panel helps you change from utility power to a standby source with the flip of 2 QO main circuit breakers. The panel is intended for outdoor use to connect to a standby power source for as many as 8 circuits. The ANSI-certified and UL-listed unit features a mechanical interlock to help ensure that only 1 main circuit breaker is in the on position at any time.5. Square D by Schneider Electric QOCGK2C QO Cover Generator and QOM2 Frame Size Main Breaker Interlock Kit
Feature
Use to interlock the QOM1 or QOM2 main breaker with a 2-pole breaker back fed from a generatorFor use on indoor QO 150A - 225A Main Breaker Load Centers
Choose where you want to direct generator power to any circuit within the home
Does not require a separate generator panel
Includes an interlock bracket, retaining bracket, 1-hole drilling template, 3 hex nuts, (3) 10 - 32 shoulder screws and (1) interior mounting screw
Description
Indoor Generator Interlock Kit; Used On Qom2 Main Circuit Breaker6. Siemens ECSBPK01 Generator Standby Power Mechanical Interlock
Feature
UL ListedFor use on Siemens or Murray panels
Main breaker is double pole QP breaker 15-125 Amp
Standby power breaker is a QP or MP type
No modification of panel required; Breakers not included
Description
Siemens standby power mechanical interlock kits provide a means to ensure that the main breaker powered by utility power within a panel is forced to the OFF position when standby power is in use. It also ensures that the standby source is forced to the OFF position when the utility power is in use. This model (ECSBPK01) is designed for use on load centers or meter combinations that will accept 2-pole circuit breakers opposite one another. It's compatible with QP, QPH, and HQPH utility main breaker and standby main breaker types.
The most common application for an interlock kits is when a portable generator is used to provide back up power to a building. If the utility main breaker in a panel is left in the -"ON"-position while a generator is powering the panel, dangerous back feeding of the utility power lines can occur.
The ECSBPK01 interlock kit (view larger).
Use on Siemens or Murray panels (view larger).
ECSBPK01 Generator Standby Power Mechanical Interlock
At a Glance
- UL listed for use in most Siemens load centers and meter combinations
- Remains attached to the main breakers when load center cover
- Corrosion resistant finish
- For use on Siemens or Murray panels
- Easy assembly requiring no modifications to the load center or meter combination
- Suitable for use with optional standby systems in accordance with article 702 of the National Electric Code
7. SD-200A Square D Generator Interlock Kit QO & Homeline Indoor or outdoor 150 or 200 amp panels
Feature
Generator Breaker Interlock for Square D QO or Homeline Indoor or outdoor with main 150 or 200 amp panels1 3/8 spacing between main and branch breakers
Met Lab listed E113887
Kit includes Interlock, labeling, drill bit and generator breaker retainer strap
PLEASE Verify panel type by checking second or third pictures
Description
Generator Interlock Kit Fits Square D QO or Homeline 150 or 200 amp panels. Spacing between main and generator breaker 1 3/8 inches Met lab listed E113887 Panel and breakers not included8. Siemens ECSBPK03 Generator Standby Power Mechanical Interlock
Feature
Ensures the main breaker within a panel is forced to the off position when standby power is onFor use on Siemens or Murray panels that are 150, 200, or 225 amp, ultimate or rock solid type
Standby power breaker must be a QP or MP double pole breaker
Adds an extra level of safety
No modification of panel required; Breakers not included
Description
Siemens standby power mechanical interlock kits provide a means to ensure that the main breaker powered by utility power within a panel is forced to the OFF position when standby power is in use. It also ensures that the standby source is forced to the OFF position when the utility power is in use. This model (ECSBPK03) is designed for use on Ultimate and Rock Solid load centers (150 amp and higher) to connect the main breaker to a 2-pole circuit breaker. It's compatible with MBK150A, MBK200A, and MBK225A utility main breaker types and QP, QPH, and HQPH standby main breaker types.
The most common application for an interlock kits is when a portable generator is used to provide back up power to a building. If the utility main breaker in a panel is left in the -"ON"-position while a generator is powering the panel, dangerous back feeding of the utility power lines can occur.
The ECSBPK03 interlock kit (view larger).
Use on Siemens or Murray panels (view larger).
ECSBPK03 Generator Standby Power Mechanical Interlock
At a Glance
- UL listed for use in most Siemens load centers and meter combinations
- Remains attached to the main breakers when load center cover
- Corrosion resistant finish
- For use on Siemens or Murray panels
- Easy assembly requiring no modifications to the load center or meter combination
- Suitable for use with optional standby systems in accordance with article 702 of the National Electric Code
9. Square D by Schneider Electric HOMCGK2C Homeline Cover Generator and QOM2 Frame Size Main Breaker Interlock Kit
Feature
Use to interlock the QOM1 or QOM2 main breaker with a 2-pole breaker back fed from a generatorFor use on indoor Homeline 150A - 225A Main Breaker Load Centers
Choose where you want to direct generator power to any circuit within the home
Does not require a separate generator panel
Includes an interlock bracket, retaining bracket, 1-hole drilling template, 3 hex nuts, (3) 10 - 32 shoulder screws and (1) interior mounting screw
Description
Indoor Generator Interlock Kit; Used On Qom2 Main Circuit Breaker10. Square D by Schneider Electric HOMCRBGK1C 100 Amp Homeline Load Center Outdoor Generator Inter-Lock Kit
Feature
Use this kit to interlock a main breaker with a generator to be safeguarded from unexpected power outagesAccommodates outdoor use
Does not require a separate generator panel
UL listed and ANSI certified
Wiring diagram and interlock translation labels also provided
