Square D KDL32125 Molded Case Circuit Breaker – 3 Pole – 125A – 240VAC – Feed-Thru – Thermal Magnetic – LI Protection

The Square D KDL32125 molded case circuit breaker is designed to provide dependable overload and short-circuit protection for commercial and industrial electrical distribution systems. Built for use in Schneider Electric QO 3-phase load centers, switchboards, and compatible enclosures, it features a feed-thru connection for flexible installation. Rated at 125A and 240VAC, the breaker delivers a 25kA interrupting capacity and uses thermal-magnetic trip technology with Long-Time and Instantaneous (LI) protection for reliable circuit safeguarding in demanding environments.

Voltage and Current Ratings

• Current Rating: 125 Amps
• Voltage Rating: 240 Volts AC
• Phase: 3 Phase
• Continuous Current Rating: 100%

Interrupting Rating

• 25kA at 240VAC
• High Interrupting Capacity
• Standard Fault Protection Performance

Trip Unit and Protection

• Protection Type:
  • Overload Protection
  • Short-Circuit Protection
• Trip Unit Technology: Thermal-Magnetic
• Trip Functions:
  • Long-Time (L)
  • Instantaneous (I)
• Fixed Thermal and Fixed Magnetic Trip Settings

Configuration and Mounting

• Poles: 3 Pole
• Series: KDL
• Connection Type: Feed-Thru
• Mounting Mode: Unit Mount
• Suitable for QO 3-Phase Load Centers and Switchboards
• Control Type: Toggle

Physical Specifications

• Terminal Type: Lugs
• Wire Range: 6 AWG to 350 kcmil (Copper/Aluminum)

Electrical Connections

• Line Connection: Lug
• Load Connection: Lug

Standards and Certifications

• UL 489 Listed
• CSA Certified
• NEMA AB 1 Compliant

Features

• Square D KDL series molded case circuit breaker
• Thermal-magnetic LI protection for reliable circuit control
• Feed-thru design for flexible installation
• High interrupting capacity for fault protection
• Compatible with QO 3-phase systems and switchboards
• Supports optional accessories such as shunt trip and auxiliary switches
• HACR rated for HVAC applications
• Designed for industrial and commercial power distribution systems
• Manufactured by Schneider Electric for durable electrical protection performance

Returns are easy

You may return items within 30 days of delivery for a refund.

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