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 5025 ST Blade Fuse Block - 6 Circuits with Negative Bus and Cover

Blue Sea Systems 5025 ST Blade Fuse Block - 6 Circuits with Negative Bus and Cover

Product ID: 354158983

Details

Connector Type
Cage Clamp
Current Rating
100 Amps
Material
Plastic Tinned
Mounting Type
Wall Mount
Number Of Contacts
6

⚡100A max current rating

🔌6 circuit positions

🛡️Vibration-resistant enclosed design

€ 104.85

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Description

🛠️ Fuse your circuits with confidence and style!

INTEGRATED NEGATIVE BUS - Simplifies wiring with combined busbar and fuse holder
POWER PACKED PROTECTION - Handles up to 100 amps for robust circuit safety
SLEEK SIX CIRCUIT DESIGN - Compact layout with 6 fuse positions for clean wiring
USER FRIENDLY INSTALLATION - Compatible with ring and fork terminals plus included labels
VIBRATION RESISTANT DURABILITY - Built to withstand harsh environments without fail

The Blue Sea Systems 5025 ST Blade Fuse Block is a premium, compact 6-circuit fuse holder with an integrated negative bus and protective cover. Rated for 100 amps and designed for vibration resistance, it ensures clean, safe, and reliable wiring in demanding environments. Made in the USA with tinned copper and plastic materials, it supports ring and fork terminals and meets ABYC/USCG standards.

Specifications

ASIN	B000THQ0CQ
Best Sellers Rank	#503,730 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #366 in Terminals (Car & Motorbike)
Brand Name	Blue Sea Systems
Colour	With cover
Connector Type	Cage Clamp
Current Rating	100 Amps
Customer Reviews	4.8 4.8 out of 5 stars (2,586)
Global Trade Identification Number	00632085050252
Included Components	Fuse Block, Cover, 20 write on circuit labels
Item Dimensions W x H	8.4W x 3.9H Centimeters
Item Type Name	boating-electrical-equipment
Item Weight	0.55 Pounds
Manufacturer	Blue Sea Systems
Material Type	Plastic Tinned plated copper
Model Number	5025
Mounting Type	Wall Mount
Number Of Contacts	6
Number Of Poles	6
Number of Items	1
Number of Positions	6
Part Number	5025-BSS
Specification Met	ABYC/USCG
Temperature Range	1.3E+2 Degrees Celsius
UPC	632085050252
Unit Count	1.0 Count
Upper Temperature Rating	130 Degrees Celsius
Voltage	32 Volts (DC)

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€ 104.85

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered 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 Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

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

2 months ago

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