What is the total amp max for the bus? Is it 180 amps (6*30) or can you only use a few 30 amp circuits.

100 amps per block, 30 amps per circuit. This is from the manufacturer's website.

Does this fuse block utilize a single power line in to feed the 6 circuits?

Yes, a single source feeds all 6. There is also a single ground source for the 6 ground connections.

What's the difference between the one with split, and the one without?

Split:It provides two isolated groups of circuits. For example if you have one group of circuits that you want to come on when the ignition switch is turned on. And a separate group of circuits that will stay on even if the ignition is off. A good example for this is if you have a clock on board you would want it to stay on. See manufacturer video: https://www.bluesea.com/resources/616/ST_Split_Bus_Fuse_Block

do I need a terminal block in conjunction with this or just wire this to my battery and run everything off of this its going in a enclosed trailer to run lights and a inverter .my winch I figure would be direct to the battery right ?

You can certainly connect it directly to the battery; however that connection needs to be fused appropriately. Also, "the winch" you referenced may be an issue since the auxiliary fuse panel is only rated for 100 amps. If you wire directly to the battery I would ensure that you have an inline 100 amp fuse close to your battery. I installed mine with a reset-able breaker (100 amp) between the battery and the fuse panel.

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Blue Sea Systems ST Blade Fuse Block 6 Way Circuits with Negative Bus and Cover, 100 Amps, 5025

Product ID: 3629838

Details

Brand
Blue Sea
Color
With cover
Connector Type
Screw
Current Rating
100 A
Material
Plastic Tinned
Mounting Type
#8 Screw (M4)

⚡6 fused circuits + negative bus

🔋100A total capacity

🛡️Clear insulating cover

380 Lei

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Description

⚡ Fuse your power with precision and style!

SMART SAFETY DESIGN - Clear insulating cover with push-button latch protects terminals and stores spare fuses for quick maintenance
POWERHOUSE PROTECTION - Supports up to 100 amps total and 30 amps per circuit for high-demand DC systems
MARINE GRADE DURABILITY - Tin-plated copper buses and corrosion-resistant fuse clips ensure long-lasting conductivity in harsh environments
EFFORTLESS IDENTIFICATION - Recessed label areas simplify circuit labeling, making troubleshooting and upgrades a breeze
STREAMLINED CIRCUIT CONTROL - Six fused circuits combined with a centralized negative bus reduce wiring clutter and complexity

The Blue Sea Systems 5025 ST Blade Fuse Block is a compact, marine-grade electrical distribution hub designed for professional-grade DC power management. Featuring six fused circuits with a negative bus, it supports up to 100 amps total and 30 amps per circuit, ideal for boats, RVs, and custom automotive setups. Its corrosion-resistant tin-plated copper components and clear insulating cover with spare fuse storage ensure reliable, safe, and clean wiring in demanding environments.

Specifications

ASIN	B000THQ0CQ
Best Sellers Rank	#1,416 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Fuse Blocks (Tools & Home Improvement) #1 in Fuse Blocks (Industrial & Scientific)
Brand Name	Blue Sea Systems
Color	With cover
Connector Type	Screw
Current Rating	100 A
Customer Reviews	4.8 4.8 out of 5 stars (2,650)
Global Trade Identification Number	00632085050252
Included Components	Fuse Block, Cover, 20 write on circuit labels
Item Dimensions W x H	3.32"W x 1.52"H
Item Type Name	boating-electrical-equipment
Item Weight	8.8 ounces
Manufacturer	Blue Sea Systems
Material Type	Plastic, Tinned plated copper
Model	5025
Mounting Type	#8 Screw (M4)
Number Of Contacts	6
Number Of Poles	6
Number of Items	1
Number of Positions	6
Part Number	5025-BSS
Specification Met	SAE
Temperature Range	1.3E+2 °C
UPC	632085050252
Unit Count	1 Count
Upper Temperature Rating	130 °C
Voltage	32 volts_of_direct_current
Warranty Description	Lifetime

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380 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Romania.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

2 months ago

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