Siemens | Q21535CT | Circuit Breaker | 35A | 4-Pole | 240V

Meet the Siemens Q21535CT circuit breaker — a purpose-built 35-amp, four-pole unit designed to handle demanding 240V circuits with confident protection. Built for maintenance, retrofit, and replacement projects, this breaker helps keep your electrical system safe while preserving panel performance.

Core specifications at a glance

• Amperage: 35A
• Poles: 4-Pole
• Voltage rating: 240V
• Part number reference: Q21535CT

Why choose the Siemens Q21535CT in your panel?

This four-pole design is engineered for reliability in multi-conductor configurations, offering synchronized disconnection across all relevant conductors when tripped. The unit is specifically matched to Siemens panels and systems that require the Q21535CT specification, ensuring a precise fit and dependable performance when you’re aligning with existing electrical layouts.

Ideal use cases

• Replacement in Siemens-based panels where a 35A, 4-pole 240V breaker is specified.
• Retrofit projects that bring older installations up to current electrical standards while preserving panel architecture.
• Maintenance scenarios that demand complete isolation of multiple conductors for safe servicing.
• Commercial or light-industrial 240V circuits that require robust multi-pole protection.

Compatibility and installation guidance

To ensure a proper match, rely on the part number as your primary compatibility reference. Before ordering, confirm:

• The panel requires a 35A, 4-pole, 240V breaker.
• The part number is Q21535CT for the exact Siemens specification.
• Your panel labeling or documentation confirms fitment with this configuration.

Safety note: Always follow electrical code requirements and, if you’re not fully confident in performing panel work, consult a licensed electrician.

Important: Confirm fit and ratings before ordering. The part number Q21535CT is the best reference for compatibility.