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Blue Sea Systems 2303 BUSBAR 150 AMP 4X1/4-20

Brand: Blue Sea Systems

2,059

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in Boat Wire Terminals

$20.60 with 30 percent savings

List Price: $29.64

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Purchase options and add-ons

Current Rating	150 Amps
Connector Type	Screw
Brand	Blue Sea Systems
Voltage	300 Volts
Number Of Poles	4

About this item

150A Common BusBar with 4 studs (part number 2303)
Max voltage: 300V AC/ 48V DC, Continuous Rating: 130A AC/ 150A DC
Terminal Studs: 4 x 1/4"-20
Reinforced polycarbonate base with tin plated pure electrical copper for maximum conductivity and corrision resistance
2 mounting holes accept #10 (M5) screws

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WARNING:

CHOKING HAZARD -- This toy is a marble. Not for children under 3 yrs.

WARNING: California’s Proposition 65

From the manufacturer

Blue Sea Systems 100A-250A Common BusBars

Blue Sea Systems BusBars distribute positive wires or collect negative returns. They range in capacity from 100A to 600A, with a variety of terminal stud configurations.

Features Include:

Tin-plated copper buses provide maximum conductivity and corrosion resistance.
Insert-molded stainless steel studs eliminate the need for securing nuts and allow high torqueing for excellent electrical contact.
UL 94-V0 rated UL 94-V0 rated base materials have flame retardants and will self extinguish if a flame source is removed.
Terminal Threaded Fastener incorporate stainless steel split ring lock washers and captive star-type lock washers keep connections tight in high vibration environments.
One-Piece Serrated Flange Nuts ensure correct and secure connections which do not cause resistance.
Insulating covers meet ABYC and USCG insulation requirements.


	2304	2305	2306

Customer Reviews	2,059	2,059	2,059
Price	$14.90	$16.05	$8.60
Continuous Rating	100A AC / 100A DC	100A AC / 100A DC	100A AC / 100A DC
Max. Voltage	300V AC / 48V DC	300V AC / 48V DC	300V AC / 48V DC
Terminal Fastener	5 × #8-32	--	6 × #8-32
Terminal Stud	2 × #10-32	4 × #10-32	--
Insulating Cover	Cover available	Cover available	--


	2301	2302	2303

Customer Reviews	2,059	2,059	2,059
Price	$14.80	$27.57	$20.60
Continuous Rating	130A AC / 150A DC	130A AC / 150A DC	130A AC / 150A DC
Max. Voltage	300V AC / 48V DC	300V AC / 48V DC	300V AC / 48V DC
Terminal Fastener	10 × #8-32	20 × #8-32	--
Terminal Stud	2 × 1/4"-20	2 × 1/4"-20	4 × 1/4"-20
Insulating Cover	Cover available	Cover available	Cover available


	2128	2105	2127	2126

Customer Reviews	2,059	2,059	243	57
Price	$30.40	$44.01	$36.67	$56.30
Continuous Rating	250A AC / 250A DC	250A AC / 250A DC	250A AC / 250A DC	250A AC / 250A DC
Max. Voltage	300V AC / 48V DC	300V AC / 48V DC	300V AC / 48V DC	300V AC / 48V DC
Terminal Fastener	6 × #10-24	12 × #10-24	--	--
Terminal Stud	2 × 5/16" -18	2 × 5/16" -18	4 × 5/16" -18	6 × 5/16" -18
Insulating Cover	Cover available	Cover available	Cover available	Cover available

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	This Item Blue Sea Systems 2303 BUSBAR 150 AMP 4X1/4-20	Recommendations Blue Sea Systems 2151 Dual MRBF Terminal Fuse Block - 30 to 300A	dummy Blue Sea Systems 2723 DualBus 150A Common 4 x 5/16" Stud and 5 x 10-32 Screw Terminal	dummy Blue Sea Systems 5046 ST Blade Fuse Block Compact 8 Circuit with Cover	dummy 4 Post Power Distribution Block Bus Bar Pair with Cover - Made in The USA - 250 Amp Rating – Marine Bus Bar, Automotive, and Solar Wiring – Battery Terminal Distribution Block - (Set of 2) (3/8”)	dummy Blue Sea Systems 5196 Fuse Block MRBF 3Circ Common
	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart	Try again! Details Added to Cart
Price	-30% $20.60 List: $29.64	$31.67	$32.07	-51% $23.00 List: $46.88	$34.95	$49.92
Delivery	Get it as soon as Tuesday, Apr 23	Get it as soon as Tuesday, Apr 23	Get it as soon as Tuesday, Apr 23	Get it as soon as Tuesday, Apr 23	Get it as soon as Tuesday, Apr 23	Get it as soon as Tuesday, Apr 23
Customer Ratings	4.82,059	4.7161	4.662	4.81,426	4.71,988	4.6762
Easy to install	4.9	4.8	5.0	4.8	4.7	4.6
Value for money	4.8	4.8	5.0	4.8	4.5	3.6
Sturdiness	4.9	—	5.0	4.7	4.6	—
Quality of material	5.0	—	—	—	4.5	5.0
Sold By	Amazon.com	Amazon.com	Amazon.com	Engage Bars	Pear Orchard Products	Amazon.com
material	—	Metal	Aluminum	Plastic	—	Plastic
connector type	—	Screw	Screw	Screw	Screw	Screw
current rating	150 amps	300 amps	150 amps	100 amps	250 amps	240.0 amps, 300.0 amps
voltage	300 volts	58 volts	300 volts	32 volts	12 volts	58 volts
model number	2303	2151-BSS	2723	5046	BB4P	5196

What's in the box

BUSBAR 150 AMP 4X1/4"-20

Looking for specific info?

Product information

Product Dimensions

1.5 x 2 x 8 inches

Item Weight

2.24 ounces

Department

unisex-adult

Manufacturer

Blue Sea Systems

ASIN

B000MMDL7K

Domestic Shipping

Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.

International Shipping

This item can be shipped to select countries outside of the U.S. Learn More

Country of Origin

USA

Item model number

2303

National Stock Number

6150-01-625-1461

Customer Reviews

2,059

4.8 out of 5 stars

Best Sellers Rank

#18,450 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
#1 in Boat Wire Terminals

Is Discontinued By Manufacturer

Date First Available

October 1, 2001

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

150A Common BusBar with 4 studs (part number 2303). Max voltage: 300V AC/ 48V DC, Continuous Rating: 130A AC/ 150A DC. Terminal Studs: 4 x 1/4"-20. Reinforced polycarbonate base with tin plated pure electrical copper for maximum conductivity and corrision resistance. 2 mounting holes accept #10 (M5) screws.

Customer reviews

4.8 out of 5

2,059 global ratings

How customer reviews and ratings work

Customers say

Customers like the quality, performance, value, and ease of installation of the terminal block. They mention that it's solidly made, works well, and is excellent value for money. Some appreciate the versatility, cleaning, and cover. That said, opinions are mixed on fit.

AI-generated from the text of customer reviews

224 customers mention224 positive0 negative

Customers are satisfied with the quality of the terminal block. They mention that it is solidly made, excellent, and perfect for their needs. Some appreciate the chunky design and the professional looking screws.

"Excellent Product" Read more

"Anything blue sea systems makes is usually great quality. I love using their products for wiring my boat...." Read more

"...All four BLUE SEA products are of the highest quality and do what they are intended to do. no having to redesign the wheel to make em work...." Read more

"...The top of the housing is firmly held in place with 4 very strong and very accurate yellow heavy duty clamps that simply snap into place once your..." Read more

93 customers mention93 positive0 negative

Customers are satisfied with the performance of the terminal block. They mention that it works nicely, is perfect for their use, and is quick and easy to install. Some say that the product is professional looking and conducts electric current like a champ.

"...Worked out beautifully." Read more

"...Other than that the unit was perfect for my use and quick and easy to install. I found a local marine supply store that had the cover." Read more

"...the Blue Sea Systems because it is more professional looking and less work. I may need more attachment points though.Jeff" Read more

"This worked great for my needs. I used it to add emergency equipment to a vehicle. I was able to screw it into the side of the car under the hood...." Read more

41 customers mention34 positive7 negative

Customers like the value of the terminal block. They mention it's an excellent value, with good quality materials and construction for the money. Some say it'll hold up well. Overall, most are satisfied with the product's value.

"Quality Items for a Great Price !!" Read more

"good seller and prodact" Read more

"this sucker cost a bit of money, however, worth every penny i paid...." Read more

"...Solid built, the cover stays in place, and I have no complaints. Price is great over these random crappy other alternatives...." Read more

38 customers mention38 positive0 negative

Customers find the terminal block very easy to install and use. They mention it's simple to mount, disassemble, and set up multiple grounds for guages, power ports, and more. They also say it'd be easy to connect wires from above with a screwdriver. Overall, customers find it to be a simple piece of kit that gets the job done.

"...They are very roomy, so this makes it very easy to use since I have large hands.I cannot recommend this cover and casing highly enough!..." Read more

"...lets wires droop down without much strain but it's still easy to access with a screwdriver from above to connect wires." Read more

"Easy to install on the trailer frame near the batteries...." Read more

"...Other than that the unit was perfect for my use and quick and easy to install. I found a local marine supply store that had the cover." Read more

23 customers mention16 positive7 negative

Customers are mixed about the fit of the terminal block. Some mention that it's a perfect fit and easy to locate, while others say that it was too small for what they ordered.

"Large size for bigger wires." Read more

"...They are very roomy, so this makes it very easy to use since I have large hands.I cannot recommend this cover and casing highly enough!..." Read more

"...This thing is huge. But that is a good thing because it’s rated up to 150 amps. I do not regret my purchase...." Read more

"Very high quality, perfect stud size and looks great! Has stood up over years of being in a salt water boat! Highly recommend !" Read more

12 customers mention12 positive0 negative

Customers like the versatility of the terminal block. They say it's good for the solar generator to connect different hot wires to for various hookups, great for power and ground, and solar build. They also say it works great for positive power distribution in hotrod engine bays, and perfect for automotive/marine applications.

"...This thing is huge. But that is a good thing because it’s rated up to 150 amps. I do not regret my purchase...." Read more

"Good quality buss bar. Using for positive power distribution in hotrod engine bay...." Read more

"Good for the solar generator to connect different hot wires to for various hookups" Read more

"Perfect for automotive grounds. Exactly as I wanted. Very good quality part." Read more

11 customers mention11 positive0 negative

Customers are satisfied with the cleaning capabilities of the terminal block. They mention that it cleans up their wiring, making it not look like a cluster. They also say it's an organized and tidy way of terminating the wires behind the console. Overall, customers are happy with the cleanliness of the product.

"...It was easy to keep all the wiring neat and tidy (I'm a perfectionist), so I was happy about that...." Read more

"...and this thing cleans up your wiring no doubt makes it not look like a cluster of wires running to..." Read more

"...I was able to clean up the wiring and get rid of most of the doubled up wires. No measurable voltage drop." Read more

"...This makes the battery box area much cleaner and now I can unplug each bar individually instead of having to disconnect the battery." Read more

9 customers mention9 positive0 negative

Customers are satisfied with the cover of the terminal block. They mention that it makes it much safer than others that do not have a cover, it provides some protection from the elements, and it's worry-free. The insulating cover prevents accidental short circuits while allowing clearance for crimp terminals. The clear lexan safety cover is removable and provides plenty of space.

"...It holds the busbar very firmly.. And protects the busbar completely from any contact with any other opposite charged cables...." Read more

"Good quality bus. Was easy to install and the clear cover will provide some protection from the elements." Read more

"...The insulating cover prevents accidental short circuits while allowing clearance for crimp terminals." Read more

"perfect and heavy duty and protected also." Read more

Reviews with images

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Top reviews from the United States

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Annonymous

Blue Sea Systems 2303 BUSBAR 150 AMP 4X1/4-20

Reviewed in the United States on March 14, 2024

Style: 150a - 4 Stud, No CoverVerified Purchase

Excellent Product

Helpful

Mark T

Perfect

Reviewed in the United States on October 13, 2023

Style: 150a - 10 Screw With CoverVerified Purchase

I installed new electronics in our boat and wanted them to be powered by dedicated switches. I used two bus bars, one for + and one for - to supply the switches. Worked out beautifully.

Helpful

Drew

Great buss bar

Reviewed in the United States on January 20, 2024

Style: 150a - 10 Screw With CoverVerified Purchase

Anything blue sea systems makes is usually great quality. I love using their products for wiring my boat. A cheaper buss bar will probably work just as good but might not be as corrosion resistant or nicely made. Depends on where your budget is and if you’re using it on a salt or freshwater boat. Would definitely buy again

Helpful

billrock

good product

Reviewed in the United States on January 31, 2024

Style: 250a - 18 Stud, No CoverVerified Purchase

JUST WHAT I NEEDED FOR A PART OF MY SOLAR POWER SYSTEM I'M BUILDING

Helpful

Fla Jeep Guy

Quality Items for a Great Price !!

Reviewed in the United States on March 28, 2024

Style: 150a - 10 Screw With CoverVerified Purchase

Quality Items for a Great Price !!

Helpful

William C.

Good quality but will not accommodate heavy cable for up to 150 amps.

Reviewed in the United States on November 30, 2023

Style: 150a - 10 Screw With CoverVerified Purchase

Used product for gang grounds with heavy cable to frame but cover would not fit over heavy cable, okay for ground not positive buss bar with exposed terminals.

Helpful

Robert C.

Heavy Duty

Reviewed in the United States on March 9, 2024

Style: 250a - 18 Stud, No CoverVerified Purchase

Large size for bigger wires.

Helpful

Ron Don

Excellent

Reviewed in the United States on February 8, 2024

Style: 150a - 10 Screw With CoverVerified Purchase

Except build quality. Use it for my solar panel setup

Helpful

Top reviews from other countries

Translate all reviews to English

Magnus Clarke

Solid

Reviewed in Canada on June 1, 2023

Style: 250a - 6 Screw, No CoverVerified Purchase

I've been rewiring the front end electrical system on my boat. Used these busses for both positive and negative side. Short of corroding or catching fire I don't really see how these can fail. So far they have passed back and forth all of the electrons I have asked them to move without complaint.

These things are solid bar sitting atop injection molded plastic. I did have to build some risers for adjacent fuse blocks to get the alignment to be pretty.

Rick N

Good Quality

Reviewed in Canada on September 10, 2018

Style: 100a - 5 Screw, No CoverVerified Purchase

Works well in my installation. Exactly what I needed

ANTONIO FV

Súper para rzr 4 plazas

Reviewed in Mexico on July 10, 2018

Style: 100a - 4 Stud, No CoverVerified Purchase

Un extra súper para corriente en mi rzr y no saturar el de fábrica quedo estupendo

Translate review to English

Vanuponatime_com

Perfekte Lösung als Masseverteiler im Wohnmobil

Reviewed in Germany on November 21, 2018

Style: 150a - 20 Screw With CoverVerified Purchase

Die Verbraucher sind nun endlich- - analog zum (abgesicherten) Pluspol- alle sauber montiert und an den Shunt des Batteriecomputers im Wohnmobil eingebaut (zu lesen unter vanuponatime.com)

One person found this helpful

Translate review to English

Carbonek

Five Stars

Reviewed in the United Kingdom on March 15, 2018

Style: 150a - 10 Screw With CoverVerified Purchase

good item

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Blue Sea Systems 2303 BUSBAR 150 AMP 4X1/4-20

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From the manufacturer

Blue Sea Systems 100A-250A Common BusBars

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Blue Sea Systems 2303 BUSBAR 150 AMP 4X1/4-20

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Blue Sea Systems 100A-250A Common BusBars

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