Siemens Q21515CTNC - 15-15A, 2-Pole, Circuit Breaker

Siemens Q21515CTNC is a two-pole circuit breaker built for dependable overcurrent protection in modern electrical distribution. With a 15 A rating per pole and a robust two-pole design, it delivers coordinated disconnection across both conductors, helping keep multi-wire circuits safe and reliable in busy panel environments. Key advantages - Two-pole configuration for simultaneous trip across both lines, enhancing safety and fault containment in panelboards, switchboards, and control panels. - 15 A per pole protection ensures sensitive circuits stay safeguarded without frequent nuisance trips. - Versatile for industrial, commercial, and OEM applications where reliable protection and safe operation in distribution panels and motor control centers are critical. - Proven Siemens engineering backing, delivering predictable performance in real-world wiring and equipment layouts. What this means in practice - Protects critical equipment from overcurrent and short-circuit conditions, reducing the risk of wiring damage and equipment downtime. - Ideal for new installations or retrofit projects where a compact, dependable two-pole breaker is required in a variety of enclosure types. - Easy to install in compatible panelboards and switchboards, with straightforward replacement for existing two-pole protective devices. Specifications at a glance - Current rating: 15 A per pole - Poles: 2-Pole - Breaker type: Circuit Breaker Ideal use cases - Industrial control panels and motor control centers needing reliable 2-pole protection for multi-wire circuits - Commercial distribution systems where a rugged, easy-to-service breaker is essential - OEM equipment builds requiring a trusted, field-proven overcurrent protection device Practical tips - Match the 15 A per-pole rating to your load profile to minimize unwanted trips while maintaining safety margins. - During installation, ensure secure terminal connections and verify that the breaker is properly seated to guarantee consistent operation.