Blue Sea Systems MRBF Terminal Fuse - 200A: Blue Sea Systems 5187, photo from Fisheries Supply's product page (captured October 27, 2026), trimmed to leave out the store's part number in the corner; the part is verified by the page's "MFG #: 5187" and the 200A rating printed on the fuse.

2 photos · Image from fisheriessupply.com

Photo sources

Manufacturer and seller images. Configuration examples may include additional equipment.

Image source: Blue Sea Systems 5187, photo from Fisheries Supply's product page (captured October 27, 2026), trimmed to leave out the store's part number in the corner; the part is verified by the page's "MFG #: 5187" and the 200A rating printed on the fuse. Image source: Blue Sea Systems 5187 MRBF Terminal Fuse, 200A, manufacturer product image linked from Blue Sea Systems' 5187 page and fetched from Blue Sea's own image host on September 23, 2026.

Blue Sea Systems MRBF Terminal Fuse - 200A

Name: Blue Sea Systems MRBF Terminal Fuse - 200A
Brand: Blue Sea Systems
SKU: 5187

By Blue Sea SystemsSold by AmazonSKU 5187

Fuses

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Current rating200 A Voltage rating58 V AC / DC ratingDC (58V DC maximum)Interrupt rating2,000 A Fuse classMRBF terminal fuse DimensionsNot stated

Key specs

Units

SKU: 5187
Official product page
Sources
Blue Sea Systems prints the part number 5187 under the product heading on its own page (Internet Archive copy of March 16, 2026) and lists it as "5187 200A" in its MRBF family.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Product heading
Documented
Weight: 0.03 kg0.07 lb converted
Official product page
Sources
Printed as "Weight 0.06lb (0.03 kg)"; the kilogram figure is Blue Sea's own.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, Weight row
Documented
Fuse class: MRBF terminal fuse
Official product page
Sources
Printed as "MRBF Terminal Fuse - 200A" in the heading of the Internet Archive copy of Blue Sea Systems product page already on file (March 16, 2026). MRBF is Blue Sea's Marine Rated Battery Fuse family, not a UL fuse class.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Heading
Documented
AC / DC rating: DC (58V DC maximum)
Official product page
Sources
Printed as "Maximum Voltage 58V DC" in the Specifications table of the Internet Archive copy of Blue Sea Systems product page already on file for part 5187 (March 16, 2026). No AC rating is printed.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, "Maximum Voltage" row
Documented
Current rating: 200 A
Official product page
Sources
Printed as "Amperage 200A" on Blue Sea Systems' 5187 page (Internet Archive copy of March 16, 2026).
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, Amperage row
Documented
Voltage rating: 58 V
Official product page
Sources
Printed as "Maximum Voltage 58V DC".
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, Maximum Voltage row
Documented
Interrupt rating: 2,000 A
Official product page
Sources
Printed as "Interrupt Capacity 10000A @ 14V DC 5000A @ 32V DC 2000A @ 58V DC". The recorded value is the figure at the 58 V DC maximum voltage; Blue Sea prints 10000 A at 14 V DC and 5000 A at 32 V DC.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, Interrupt Capacity row
Documented

All specs6

Weight: 0.03 kg0.07 lb converted
Official product page
Sources
Printed as "Weight 0.06lb (0.03 kg)"; the kilogram figure is Blue Sea's own.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, Weight row
Documented
Fuse class: MRBF terminal fuse
Official product page
Sources
Printed as "MRBF Terminal Fuse - 200A" in the heading of the Internet Archive copy of Blue Sea Systems product page already on file (March 16, 2026). MRBF is Blue Sea's Marine Rated Battery Fuse family, not a UL fuse class.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Heading
Documented
AC / DC rating: DC (58V DC maximum)
Official product page
Sources
Printed as "Maximum Voltage 58V DC" in the Specifications table of the Internet Archive copy of Blue Sea Systems product page already on file for part 5187 (March 16, 2026). No AC rating is printed.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, "Maximum Voltage" row
Documented
Current rating: 200 A
Official product page
Sources
Printed as "Amperage 200A" on Blue Sea Systems' 5187 page (Internet Archive copy of March 16, 2026).
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, Amperage row
Documented
Voltage rating: 58 V
Official product page
Sources
Printed as "Maximum Voltage 58V DC".
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, Maximum Voltage row
Documented
Interrupt rating: 2,000 A
Official product page
Sources
Printed as "Interrupt Capacity 10000A @ 14V DC 5000A @ 32V DC 2000A @ 58V DC". The recorded value is the figure at the 58 V DC maximum voltage; Blue Sea prints 10000 A at 14 V DC and 5000 A at 32 V DC.
Official product page: MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026) Checked Sep 23, 2026 · Earlier document
Location: Specifications table, Interrupt Capacity row
Documented

Published claims and calculations, not independent test results.

Documents

1 on file

WEB
Wayback Machine copy of https://www.bluesea.com/products/5187, snapshot February 23, 2014Blue Sea SystemsSource product page
Source details
Revision
Not stated
Revision date
Not stated
Archived copy of https://www.bluesea.com/products/5187, Wayback Machine snapshot 20140223090527 (February 23, 2014), 54630 bytes.
Location: Product heading, feature list, Specifications table
Retrieved Sep 30, 2026
Blue Sea Systems' own product page as archived by the Internet Archive at snapshot 20140223090527 (February 23, 2014); it shows what the page printed on that date. The live site answers automated requests with a challenge page, so it was not read.
Open

Archive and older revisions1

Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.

WEB
MRBF Terminal Fuse - 200A - Blue Sea Systems, product 5187 (Internet Archive copy of March 16, 2026)OfficialBlue Sea SystemsOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
Location: Heading, feature list, Specifications table
Retrieved Sep 23, 2026
bluesea.com refused automated requests on September 23, 2026. It prints the feature list, the other ratings in the MRBF family (5175 30A to 5190 300A) and a Specifications table (amperage, ignition protection, maximum voltage, interrupt capacity, weight). Its regulatory badges, shown as images, are Ignition Protected, IP66 and SAE J1171. It links a dimension drawing and a trip delay curve as images.
Open