Zinsco TC240 - 40A, 2-Pole, Circuit Breaker

Meet the Zinsco TC240 — a purpose-built 40A, 2-Pole circuit breaker engineered for dependable overcurrent protection where it matters most. Designed to perform in demanding environments, this breaker integrates seamlessly into panelboards, switchboards, and control panels, helping keep distribution systems safe, efficient, and compliant.

• Current rating: 40A — robust protection for mid-size branch circuits and motor loads without excessive nuisance trips.
• Poles: 2-Pole — simultaneous protection of both hot conductors in 240V circuits, simplifying wiring and trip coordination.
• Breaker type: Circuit Breaker — reliable, resettable protection that helps minimize downtime and protect equipment.
• Versatile installation — ideal for panelboards, switchboards, and control panels in industrial, commercial, and OEM applications.
• Safe operation — built for durability in distribution panels and motor control centers, delivering consistent performance under challenging conditions.
• Clear fault visibility — straightforward operation and labeling to speed diagnostics and reduce maintenance time.

Core applications and scenarios

The Zinsco TC240 is a practical solution for environments that demand reliable protection for 240V circuits. Use it in industrial distribution panels, commercial electrical rooms, and OEM equipment where strong overcurrent protection and fast, predictable tripping are essential. It’s well-suited for motor control centers and other installations where safeguarding both live legs is critical.

Why this 2-Pole design matters

Compared with single-pole alternatives, the 2-Pole configuration ensures both hot legs trip together on fault, reducing the risk of exposed live components and improving overall safety. The 40A rating provides a balanced solution for mid-range loads, delivering protection without unnecessary interruption for normal operation. Built to endure typical panelboard and switchboard conditions, the TC240 helps maintain uptime in busy electrical rooms.

Ideal for who and where

• Electricians and facilities managers looking for dependable protection in distribution panels and motor control centers
• Industrial facilities, commercial buildings, and OEM environments requiring robust, repeatable overcurrent protection
• Projects upgrading or maintaining panelboards, switchboards, and control panels with proven Zinsco components

Installation and handling tips

• Verify compatibility with your panelboard, switchboard, or control panel before installation.
• Follow all applicable electrical codes and safety procedures during replacement or installation.
• Use appropriate conductor sizing for a 40A circuit and ensure proper torque on mounting connections.
• Label the circuit clearly to aid quick fault diagnosis and future maintenance.

For reliable, industry-focused protection in a compact, two-pole package, the Zinsco TC240 40A circuit breaker delivers steady performance in panelboards, switchboards, and control panels across industrial, commercial, and OEM applications.