Pushmatic-style 30A 2-pole breaker (P230) by Connecticut Electric vs Generator interlock kit for Square D QO and Homeline panels

Overall winner: Generator interlock kit for Square D QO and Homeline panels

Key Differences

QYZZRS (A) is a generator interlock kit designed for Square D QO/Homeline 150/200A panels and is positioned as a more economical alternative to a transfer switch; Connecticut Electric (B) is a Pushmatic-compatible 2-pole 30A bolt-on breaker with UL and ETL listings. Pick A if you need a panel-specific interlock solution for 150/200A Square D QO/Homeline panels and lower cost; pick B if you need a certified 30A Pushmatic-compatible two-pole breaker with broader breaker certification details

Pushmatic-style 30A 2-pole breaker (P230) by Connecticut Electric

Pushmatic-style 30A 2-pole breaker (P230) by Connecticut Electric

Connecticut Electric • ★ 4.0/5 • Mid-Range

50-amp? No, 30 amp two-pole breaker compatible with Pushmatic. Intertek ETL listed for UL 489. Fits 30 amp boards and is bolt-on. Customer insight notes easy installation and decent fit, with some durability concerns

Pros

  • Pushmatic compatible
  • ETL listed, UL 489 compliance
  • 2-pole 30A breaker
  • Bolt-on installation

Cons

  • Durability concerns reported by some customers
  • Some units arrive with missing set screws
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Generator interlock kit for Square D QO and Homeline panels

Generator interlock kit for Square D QO and Homeline panels

QYZZRS • ★ 4.1/5 • Budget

Interlock kit for Square D QO and Homeline panels with 1 3/8 inch spacing between main and generator breaker. Provides safety features and prevents back feeding; some installation notes and mixed setup experiences from customers

Pros

  • Compatible with Square D QO and Homeline panels
  • Safety features to prevent back feeding
  • Compact 4-set kit for interlock installation
  • Good build quality and value for money

Cons

  • Mixed installation ease due to instructions
  • Interlock functionality reviews are mixed
  • Installation notes require careful alignment
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Head-to-Head

CriteriaWinner
Price QYZZRS
Durability Tie
Versatility QYZZRS
User Reviews Connecticut Electric