Blue Sea Systems 187-Series Surface Mount Circuit Breaker 40A vs Blue Sea Systems 7036 187 Series Thermal Circuit Breaker, Panel Mount, 30A

Overall winner: Blue Sea Systems 187-Series Surface Mount Circuit Breaker 40A

Key Differences

Product A (Blue Sea 187-Series 40A) lists a lower price tier and emphasizes a waterproof, surface-mount design combining switch and circuit protection. Product B (Blue Sea 7036 187 Series 30A) is a DC panel breaker with durable build and easy wiring/mounting — choose A if you want a surface-mount unit with integrated switch and waterproofing, choose B if you need a panel-mounted thermal DC breaker with proven wiring convenience

Blue Sea Systems 187-Series Surface Mount Circuit Breaker 40A

Blue Sea Systems 187-Series Surface Mount Circuit Breaker 40A

Blue Sea Systems • ★ 4.0/5 • Mid-Range

Combination switch and circuit breaker with waterproof construction and secure terminal hardware. Customers note easy wiring and mounting, plus reliable performance in harsh conditions

Pros

  • combines switching and protection
  • waterproof construction
  • recessed mounting holes for clean appearance
  • ample space around terminals for heavy-gauge wires

Cons

  • price point
  • some note it acts as a higher-amp breaker in practice
Check current price on Amazon →
Blue Sea Systems 7036 187 Series Thermal Circuit Breaker, Panel Mount, 30A

Blue Sea Systems 7036 187 Series Thermal Circuit Breaker, Panel Mount, 30A

Blue Sea Systems • ★ 3.8/5 • Mid-Range

Thermal panel-mount circuit breaker with 30A DC protection and IP66 rated waterproof design. Provides integrated switching and protection with a trip-free feature; customers note durability and easy wiring

Pros

  • panel-mount design for easy installation
  • 30A DC protection with trip-free operation
  • IP66 waterproof rating and high interrupt capacity

Cons

  • price concerns among customers
Check current price on Amazon →

Head-to-Head

CriteriaWinner
Price Blue Sea Systems
Durability Tie
Versatility Blue Sea Systems
User Reviews Tie