The Schneider Electric Square D HDL36125SK is a molded case circuit breaker designed for robust overcurrent protection in commercial and industrial environments. This 3-phase breaker is part of the H-frame series, engineered for reliable performance and durability. It is commonly specified for use in power distribution panels and motor control circuits where dependable fault interruption is critical.

Technical details

• Series: Square D H-frame
• Frame Type: Molded Case Circuit Breaker
• Number of Poles: 3-Phase
• Current Rating: 125 Amps
• Voltage Rating: 600 VAC / 250 VDC
• Protection Type: Thermal Magnetic
• Trip Unit Characteristics: 900 A Hold, 1700 A Trip
• Interrupting Rating: Verify with manufacturer datasheet for specific kA rating.

Applications & compatibility

This circuit breaker is suitable for integration into power distribution systems for manufacturing facilities, processing plants, and large commercial buildings. It is frequently applied in applications such as motor control centers, main service disconnects, and branch circuit protection for heavy machinery, including conveyor systems, pumps, and HVAC equipment.

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 Square D HDL36125SK or contact our technical team for cross-reference assistance with compatible H-frame components.