GE THQB2150ST1 50A 2P 240V Circuit Breaker, Shunt Trip | AmpState

The GE THQB2150ST1 50A 2P 240V circuit breaker with shunt trip is a rugged, reliable solution for protecting electrical distribution in panelboards and load centers. This two-pole device delivers precise overcurrent protection while giving you the power of remote triggering for integrated safety systems. Designed with retrofit and maintenance in mind, the THQB2150ST1 helps you keep your gear aligned with exact part numbers for smooth replacements and minimal downtime.

• Amperage: 50 A
• Poles: 2
• Voltage: 240 V
• Shunt Trip: Yes — remote trip capability for centralized safety control
• Part Number: THQB2150ST1
• Manufacturer: GE
• Availability: Available from AmpState

Why a shunt-trip circuit breaker matters

A shunt-trip input lets a building safety system or control panel initiate a rapid, remote shutdown. This is essential for interlock scenarios, fire safety coordination, and emergency response planning. With the THQB2150ST1, you gain an extra layer of protection that helps safeguard people, equipment, and critical infrastructure.

Perfect for retrofit and maintenance workflows

When your project requires a consistent part number for easy ordering and compatibility, the THQB2150ST1 shines. Its 2-pole, 50A, 240V configuration aligns with common GE panelboards and load centers, enabling quick swaps during retrofits or routine maintenance without reconfiguring wiring in tight spaces.

Value you can count on in daily operations

Beyond the obvious protection, this breaker supports smoother downtime planning. Its dependable operation under load helps minimize unexpected outages, so facilities from data centers to commercial buildings can maintain uptime while meeting safety standards. The shunt-trip feature adds a fail-safe control path that can be synchronized with building management systems or alarm protocols for enhanced reliability.

Need help confirming compatibility?

AmpState is ready to assist. If you’re unsure about matching a part number or confirming fit for your panelboard or load center, message us and we’ll help verify that THQB2150ST1 is the correct replacement for your setup.