The Schneider Electric Square D FH16040B is a single-pole molded case circuit breaker designed for reliable overcurrent protection in electrical distribution systems. This breaker is engineered for use within I-Line panelboards and switchboards, providing essential thermal magnetic trip unit functionality. Its robust construction ensures dependable operation in demanding industrial environments.

Technical details

• Series: Square D FH Series
• Type: Molded Case Circuit Breaker (MCCB)
• Poles: 1
• Voltage Rating: 277V AC
• Amperage Rating: 40A
• Trip Type: Thermal Magnetic
• Interrupting Rating: Not specified; consult manufacturer datasheet for details.
• Terminal Type: Not specified; consult manufacturer datasheet for details.
• Mounting Style: Designed for I-Line panelboards and switchboards.

Applications & compatibility

This circuit breaker is specifically suited for applications requiring protection of branch circuits and equipment within 277V systems. It is commonly integrated into I-Line panelboards and switchboards found in commercial buildings, manufacturing facilities, and data centers. Its 40A rating makes it suitable for protecting loads such as lighting circuits, small motor loads, and control power circuits.

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 FH16040B or contact our technical team for cross-reference assistance with compatible Square D components.