Circuit count
4 circuits
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Verified current equipment
Blue Sea Systems 5045 ST Blade Compact 4-Circuit Fuse Block
Four-position ATO/ATC fuse block rated 32 VDC, 100 A per block and 30 A per circuit; fuses are sold separately.
Best for: Compact low-voltage DC branch distribution where the installed fuse, wire and available fault current are engineered together.
Key facts
- Circuit count
- 4 circuits
- Component type
- branch_fuse_block
- DC voltage rating
- 32 V
- Fuse family
- ATO/ATC blade fuse
- Fuse positions
- 4 positions
Specifications alone do not confirm that a product fits your RV. Match the RV model and year to documented fitment evidence, then check system voltage, battery chemistry, wiring, protection and input/output limits before buying.
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BROWSE RV EQUIPMENT →Specifications and source evidence
Start with the key facts above. Open the complete evidence only when you need the detailed values and citations.
View all 17 verified specifications and sources
Component type
branch_fuse_block
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Bos Connection Torque Profile
Main stud 2.71 Nm; branch screw terminals 2.03 Nm
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Current rating
100 A
Conditions: {"basis":"per_block"}
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
DC voltage rating
32 V
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Bos Enclosure Only
Yes
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Environmental rating
IP66 with cover secured
Conditions: {"cover_required":true}
- 5045 ST Blade Compact 4-Circuit Fuse Block · Features and regulatory specifications · rev. current product page
Fuse family
ATO/ATC blade fuse
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Bos Fuse Included
No
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Fuse positions
4 positions
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Bos Ignition Protected
Yes
Conditions: {"cover_secured":true}
- 5045 ST Blade Compact 4-Circuit Fuse Block · Features and regulatory specifications · rev. current product page
Bos Ignition Protection Condition
Ignition protection applies only when the cover is secured
- 5045 ST Blade Compact 4-Circuit Fuse Block · Features and regulatory specifications · rev. current product page
Bos Listing Scope
ISO 8846; SAE J1171; CE and UKCA markings shown by manufacturer
Conditions: {"cover_secured_for_ignition_protection":true}
- 5045 ST Blade Compact 4-Circuit Fuse Block · Features and regulatory specifications · rev. current product page
Bos Max Circuit Current A
30 A
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Bos Mounting Type
surface mount with #8 (M4) screws
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Bos Terminal Stud
#10-32 main stud; #8-32 branch screws
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Bos Termination Method
ring or snap-fork terminals
- 5045 ST Blade Compact 4-Circuit Fuse Block · Exact part-number specifications and features · rev. current product page
Why you can trust this record
Only verified claims with claim-level provenance are returned. Conditions, units and source locators must be preserved when citing a fact.
Heeler RV keeps commerce downstream of technical selection. Affiliate status never changes specifications, lifecycle, replacement evidence, fitment evidence or comparison ranking.