Siemens CJD63B225 - 225 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Siemens CJD63B225 — a 225 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to guard branch circuits in panelboards and loadcenters. Built for reliability in residential, commercial, and light industrial environments, this unit delivers consistent protection when it matters most.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays firmly in place during installation and service.
• Thermal-magnetic trip unit delivers stable, repeatable overcurrent protection across a wide range of temperatures and load conditions.
• OEM-compatible design ensures smooth integration with matching Siemens loadcenters and panelboards, reducing retrofit hurdles.
• Versatile applications suited for residential, commercial, and light industrial electrical systems, protecting feeder and branch circuits from faults and overloads.

What problems this breaker solves

When electrical demand spikes or a fault occurs, the CJD63B225 calmly interrupts current before damage spreads. Its 3-pole configuration provides balanced protection for multi-phase systems, while the bolt-on mount makes installation and future service straightforward in panelboard layouts designed for Siemens components.

Technical specifications

• Manufacturer: Siemens
• Part Number: CJD63B225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 225 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for electrical professionals upgrading or configuring panelboards and loadcenters, the Siemens CJD63B225 delivers dependable, long-term protection with a mounting method that simplifies installation and maintenance. Choose this breaker when you need robust, consistent protection for high-demand, multi-phase circuits in a variety of settings.