Blue Sea St Clb Push Button Circuit Breaker Block
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You have 30 days to request a return. All sale items are final sale.
The Blue Sea Systems ST/CLB push button circuit breaker block (SKU 661-5054) is a compact, snap-in-place DC distribution protection block designed for push-button resettable CLB breakers. It combines tin-plated copper bus connectivity and screw terminals with a clear insulating cover that supports square-format label recesses for compliant insulation.
Key Features
- Quick connect clips allow circuit breakers to snap easily into place.
- Tin-plated copper busses and screw terminals for reliable termination.
- Clear insulating cover with square format label recesses to meet ABYC/USCG insulation requirements.
- Easy-to-open cover clip for service access.
- Two breakouts for wire access.
- Accepts ring terminals.
- Optional push button waterproof boots or dress nuts can be installed over the cover.
- Maximum voltage: 32V DC.
- Maximum amperage ratings: 32A per circuit; 100A per block common source; 40A per jumped circuit group (independent source).
Intended Use
- 12V and 24V DC marine electrical distribution (inboard/outboard, RV, and industrial DC systems where CLB push-button resettable breakers are used).
- DC circuit protection and convenient breaker installation in switch/breaker panels and similar distribution layouts.
Product Details
- Brand/Line: Blue Sea Systems ST/CLB push button circuit breaker block.
- SKU: 661-5054.
- Circuit positions: 12.
- Mounting/terminal interface (as applicable to this ST CLB block family): #8 screw (M4) or #8 nut mounting; screw terminals accept #8-32 screws with captive star lock washer (per Blue Sea ST CLB specifications).
- Power ratings: Maximum voltage 32V DC.
- Current ratings: 32A per circuit; 100A per block common source; 40A per jumped circuit group (independent source).
- Bus/interface: Negative bus uses a #10-32 stud; positive bus uses a #10-32 stud (per Blue Sea ST CLB specifications).
- Cover/labeling: Clear insulating cover with square format label recesses; supports ABYC/USCG insulation requirements.
- Service/use: Easy-to-open cover clip; optional waterproof boots or dress nuts can be installed over the cover; designed to use CLB push button reset-only circuit breakers with quick-connect terminals.
Parts Desk Insights
Best Use Case: Great choice when you want a neat, serviceable DC breaker layout using CLB push-button resettable breakers—especially where you need quick snap-in breaker installation and an insulating, labelable cover.
Common Issues: During installation, verify you’re using the correct ring-terminal size for the screw terminal hardware and that wires are routed through the provided breakouts cleanly. Also confirm the cover/label recess plan matches your final labeling method so insulation requirements remain satisfied after wiring is complete.
Related Products & Accessories
- Blue Sea CLB Push Button Reset Only Circuit Breaker (Quick Connect) - Pairing this ST/CLB circuit breaker block with the correct CLB push-button reset-only quick-connect breakers completes the protected circuit positions.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.