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.

Blue Sea Systems St Blade Fuse Block

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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₪332

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Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Fuse your power with precision and style — stay connected, stay ahead!

READY FOR EXPANSION - Six fused circuits with write-on labels and included nylon insulated ring terminals to power all your accessories.
COMPACT CLEAN SETUP - Sleek 3.32-inch design with integrated negative bus and protective cover keeps your system tidy and secure.
POWERHOUSE PROTECTION - Handles up to 100A per block and 30A per circuit for robust electrical safety.
EFFORTLESS INSTALLATION - Wall mount with #8 (M4) screws and captive star lock washers for a rock-solid, vibration-resistant fit.
IGNITION PROOF RELIABILITY - Meets ISO 8846 & SAE J1171 standards—perfect for gasoline engine compartments and marine use.

The Blue Sea Systems ST Blade Fuse Block 5025-BSS is a premium 6-circuit fuse block designed for professional-grade electrical setups in boats and vehicles. Rated for 100A max per block and 30A per circuit at 32V DC, it features a compact design with a protective cover, integrated negative bus, and ignition protection compliant with ISO and SAE standards. Easy to mount and built for durability, it ensures safe, organized power distribution for all your critical accessories.

Specifications

ASIN	B000THQ0CQ
Best Sellers Rank	#4,432 in Sporting Goods ( See Top 100 in Sporting Goods ) #16 in Boat Deck Hardware
Brand Name	Blue Sea Systems
Centerline Length	3.32 Inches
Color	With cover
Connector Type	Cage Clamp
Current Rating	30 Amps
Customer Reviews	4.8 4.8 out of 5 stars (2,586)
Global Trade Identification Number	00632085050252
Included Components	Blue Sea Systems 5025-BSS ST Blade Fuse Block - 6 Circuits with Negative Bus and Cover
Item Dimensions W x H	10.2W x 5.1H centimeters
Item Type Name	Blue Sea Systems 5025-BSS ST Blade Fuse Block - 6 Circuits with Negative Bus and Cover
Item Weight	0.55 Pounds
Manufacturer	BLUE SEA
Material Type	Plastic
Model	5025
Mounting Type	Wall Mount
Number Of Contacts	6
Number Of Poles	6
Number of Items	1
Number of Packs	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 Count
Upper Temperature Rating	130 Degrees Celsius
Voltage	32 Volts (DC)

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