Schneider Electric | 42003 | Circuit Breaker | 200A | 36kA

Schneider Electric's 42003 circuit breaker delivers reliable overcurrent protection when you need it most. With a 200A amperage rating and a 36kA interrupting capacity, this device is built to quickly disconnect fault currents, helping safeguard wiring, equipment, and operators in demanding electrical systems.

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, the 42003 model provides a precise fit and predictable performance. If your panel or enclosure requires a compatible, high-capacity breaker, this Schneider Electric solution is engineered to meet those exacting requirements.

Key specifications

• Amperage: 200A
• Interrupting capacity: 36kA
• Reference/part number: 42003 (best reference for compatibility)

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so verify that your setup expects 42003 to ensure a seamless replacement.

Use cases and benefits

This breaker shines in projects that demand robust, dependable protection with clear fault isolation. It’s a solid choice for routine maintenance when replacing aging units, for retrofits that require exact spec matching, and for replacements where continuity of protection is critical. By preserving consistent trip characteristics, it helps minimize nuisance trips and maintain protective coordination across your system.

Choosing a Schneider Electric model like 42003 also provides long-term reliability with trusted engineering support and a familiar compatibility path, reducing the guesswork during procurement and installation.

Practical tips

• Use part number 42003 as the primary reference to ensure compatibility with your panel or enclosure.
• Before installation, confirm that your system is designed for 200A and 36kA protection to ensure safe operation.
• Maintain a small inventory of identical breakers to streamline future maintenance and replacements.