Square D BDA36100 - 100 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D BDA36100 is a rugged, ready-to-install 100 A, 600 V, 3-pole plug-in molded case circuit breaker built to deliver dependable branch circuit protection for panelboards and load centers. Its fast plug-in connection means you can install or replace protection quickly, minimizing downtime and keeping electrical systems up to code and performing reliably.

• Fast plug-in connection for rapid installation and straightforward replacements in OEM panelboards and load centers, reducing labor time and downtime.
• Thermal-magnetic trip unit provides stable, repeatable protection by reacting to both overload (thermal) and short-circuit (magnetic) conditions, helping prevent nuisance trips while safeguarding circuits.
• 3-pole design ideal for three-phase systems or multi-wire branch circuits, delivering coordinated protection across all conductors in a single device.
• 600 V rating with 100 A capacity suitable for commercial and light industrial environments, and adaptable for residential applications where three-phase protection is required.
• OEM-compatible mounting engineered to pair with matching Square D panelboards and load centers, ensuring proper fit, listing retention, and reliable performance with your existing infrastructure.

Technical snapshot

• Manufacturer: Square D
• Part number: BDA36100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 600 V
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Who needs this breaker? It’s an excellent choice for electricians and facility managers outfitting or upgrading panelboards and load centers in commercial spaces, light industrial environments, or residential projects requiring robust three-phase protection. If you’re looking to enhance reliability in a distribution panel, the BDA36100 offers precise trip performance and a straightforward replacement path that minimizes system downtime.

Why this matters in practice: the combination of a thermal-magnetic trip and a plug-in design translates to fewer interruptions due to nuisance trips, faster service during maintenance windows, and cleaner coordination with your existing protection scheme. It’s not just about meeting code—it’s about delivering consistent safety and continuity for critical loads, whether you’re powering HVAC systems, lighting, or small- to mid-sized equipment clusters.

Practical tips for use and installation:

• Ensure compatibility with your panelboard’s OEM listing by using the same family and mounting style (plug-in molded case breakers in Square D panels).
• Inspect the device for physical damage before installation and verify that the rating (100 A, 600 V, 3-pole) matches the circuit requirements.
• Follow manufacturer wiring and torque guidelines from Square D documentation to maintain proper electrical integrity and listing compliance.
• Plan protection for the full load path—in three-phase systems, ensure all three poles are properly seated and connected to maintain balanced protection and accurate trip behavior.
• Use this breaker for new installations or as a replacement in panelboards and load centers where quick plug-in replacement and reliable short-circuit protection are priorities.

AmpState brings you the Square D BDA36100 with confidence in framing, performance, and longevity. If you’re seeking a dependable, compatible 3-pole solution for 100 A at 600 V that installs in moments and protects critical circuits, this plug-in breaker is designed to meet those demands and keep systems running smoothly.