Siemens Q21515CT Combination Tandem Breaker
Versatile Circuit Solution for Load Centers

Key Specifications:

• Dual 15A (1P) + 150A (2P) in compact form

• 10kA Interrupt Rating - Full circuit protection

• 120/240V - Residential/light commercial use

• Thermal-Magnetic Trip - Reliable overload/short-circuit response

Unique Configuration:
✔ (2) Single-Pole 15A circuits
✔ (1) Double-Pole 150A circuit
✔ All in one UL 489 listed unit

Technical Details:

• Series: QT (Tandem)

• Mounting: Plug-in

• Weight: 0.728 lb

• Standards: UL 489

Space-Saving Advantages:
• Replaces multiple standard breakers
• Ideal for panel expansions
• Maintains full protection