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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
Blue Sea 187-series 40 Amp Circuit Breaker Surface MountBlue Sea Systems 187 Series Circuit Breaker Surface Mount 40A Model: 7138 BSS Combines switching and circuit protection into a single device* Clear, single lever operation ""Trip Free"" design cannot be held ""ON"" during fault current condition Waterproof Recessed mounting holes for clean appearance Large Clearance around terminal studs accept heavy gauge wire lugs Robust 5 16 M8 terminals provide high torque connections Large lever with vertical
Blue Sea Systems 187-Series Circuit Breaker - Surface Mount 40A
Model: 7138-BSS- Combines switching and circuit protection into a single device*
- Clear, single lever operation
- ""Trip Free"" design cannot be held ""ON"" during fault current condition
- Waterproof
- Recessed mounting holes for clean appearance
- Large Clearance around terminal studs accept heavy gauge wire lugs
- Robust 5/16 M8 terminals provide high torque connections
- Large lever with vertical/horizontal orientation provides indication of trip status
- Ignition protected - Safe for installation aboard gasoline powered boats
- Meets SAE J1171 external ignition protection requirements
* Do not use as a switch where high inrush currents are expected.
Specifications| Amperage | 40A |
| Maximum Voltage | 48vDC |
| Mounting | Surface Mount |
| Circuit Breaker Type | Thermally responsive Bi-metal blade |
| Terminal Stud Torque | 75 in-lb (8.47 Nm) |
| Interrupt Capacity | 5000A @ 12V 3000A @ 24V 1500A @ 42V |
| Minimum Operating Temperature | -40° C |
| Maximum Operating Temperature | 85° C |
| Case Material | Thermoset Polyester |
| Circuit Breaker Class | Type III - switchable/manual reset - trip free |
| Mounting Hole | Accept #10 (M5) Screw |
| Terminal Stud Size | 5/16"" - 18 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 748 reviews
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Product Reviews
★★★★★ 5
Excellent value.
Color: Black
I wanted an inexpensive “work” watch so I could keep my “good” watches from getting beat up.
This one is an excellent choice…solar so no battery to replace. Bright light function for night time check. No analog function is the only downside for us old folks. Overall a bargain! 👍
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Sturdy.
Color: Brown (Passcase)
Nice wallet. Well built. Comfortable. I definitely recommend this item.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
High quality wallet
Color: Brown (Trifold)
Very nice leather wallet. The durability is great. Long lasting wallet at a great price!
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Reviewed in the United States on May 11, 2026
★★★★★ 4
Carharrt Quality
Color: Brown (Passcase)
I purchased this bifold wallet approximately about a month ago for my husband. It seems to have the trusted durable Carharrt quality, but it hasn’t been long enough to review its durability. It’s very nice looking. I gave it a four star due to he did find it stiff & tight fitting at first, it didn’t fit all that he had in his old wallet. I’m sure with time as with any leather it will soften.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Happy guy!
Color: Black (Passcase)
Good quality materials, brand, and layout.
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Reviewed in the United States on April 19, 2026