The Schneider Electric Square D SQ1T40A is a thermal-magnetic molded case circuit breaker designed for reliable electrical distribution and protection. This specific model, part of the Square D Q1 series, is engineered for applications requiring a 40-ampere rating and offers versatile voltage compatibility for both AC and DC circuits. Its robust construction ensures durability in demanding industrial and commercial environments.

Technical details

• Series: Square D Q1
• Type: Molded Case Circuit Breaker (MCCB)
• Amperage Rating: 40 A
• Voltage Compatibility: Supports 24-250VDC and 120-240VAC
• Interrupting Rating: To be confirmed via manufacturer datasheet; typical for this series is 10kA at 240VAC.
• Tripping Mechanism: Thermal-magnetic
• Number of Poles: To be confirmed via manufacturer datasheet; typically 1-pole for this designation.
• Terminal Type: Screw terminals, suitable for wire or busbar connection.

Applications & compatibility

This circuit breaker is suitable for use in electrical panels, motor control centers, and power distribution systems within commercial buildings, manufacturing facilities, and original equipment manufacturer (OEM) panels. It provides overcurrent protection for circuits feeding lighting, HVAC equipment, small motors, and other electrical loads where a 40A rating is specified.

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 SQ1T40A or contact our technical team for cross-reference assistance with compatible Square D Q1 series components.