The Schneider Electric Merlin Gerin NS630H-STR23SE is a 630 Amp, 3-pole circuit breaker designed for robust electrical distribution protection. This unit incorporates the advanced STR23SE electronic trip unit, providing precise overcurrent and short-circuit detection for industrial power systems. It is engineered for reliable operation within demanding environments, ensuring the integrity of electrical circuits.

Technical details

• Series: Merlin Gerin NS Series
• Current Rating: 630 Amps
• Poles: 3
• Trip Unit Type: STR23SE Electronic Trip Unit
• Rated Operational Voltage: Up to 690 V AC
• Protection Functions: Short circuit and overload protection
• Mounting Type: Fixed (verify mounting details against manufacturer datasheet)
• Terminal Type: Screw terminals (verify terminal size and type against manufacturer datasheet)

Applications & compatibility

This circuit breaker is suitable for use in main distribution panels, motor control centers, and sub-distribution boards across various industrial sectors. It is commonly found in applications requiring reliable protection for heavy-duty electrical loads, such as manufacturing plants, processing facilities, and large commercial buildings.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Merlin Gerin NS630H-STR23SE or contact our technical team for cross-reference assistance with compatible Merlin Gerin components.