Blue Sea ST CLB Circuit Breaker Block with Negative Bus.

Blue Sea Systems ST CLB Circuit Breaker Blocks with Negative Bus

Models:

• 6 Position with Negative Bus: 5052-BSS

• 12 Position with Negative Bus: 5054-BSS

Overview

Blue Sea Systems ST CLB Circuit Breaker Blocks provide flexible resettable circuit protection with added common negative bus functionality. Each block features quick connect clips for easy snap-in installation of circuit breakers, tin-plated copper busses, and screw terminals. The clear insulating cover includes square format label recesses, meeting ABYC/USCG insulation requirements. Designed for simple installation in dry, protected, surface-mount locations, these blocks accommodate ring terminals and offer optional push button waterproof boots or dress nuts for enhanced protection. The blocks serve as effective alternatives to fuses, making circuit breakers easier and more cost-effective to install.

Key Features

• Quick connect clips for snap-in circuit breaker installation

• Tin-plated copper busses and screw terminals for reliable conductivity

• Clear insulating cover with label recesses, ABYC/USCG compliant

• Easy open clip-on cover with breakouts for two-directional wire access

• Accepts ring terminals and square labels for circuit ID

• Optional push button waterproof boots or dress nuts can be installed

• Includes common negative bus for electrical system simplicity

• Surface mount design suitable for dry and protected environments

• Compatible with waterproof switching panels for complete circuit protection

Specifications Comparison

What’s in the Box

• ST CLB Circuit Breaker Block (6 or 12 position)

• Clear insulating cover with label recesses

• Mounting hardware