ED3125 **Blue Label** Cutler Hammer Circuit Breaker

ED3125 **Blue Label** Cutler Hammer Circuit Breaker

The ED3125 Blue Label Cutler Hammer Circuit Breaker is built to deliver safe, consistent power protection in commercial and industrial settings where downtime is not an option. Rated for 125 Amps and designed with a fixed thermal‑magnetic trip, this 3‑pole breaker quickly detects overloads and short circuits to prevent equipment damage and electrical hazards. Operating at up to 240 Vac or 125 Vdc, it’s well-suited for modern electrical systems running at 50 to 60 Hz. Its compact F‑Frame design makes it easy to integrate into tight spaces without compromising on reliability or performance. Whether you're upgrading your facility or managing critical infrastructure, this breaker gives you the protection and durability expected from Cutler Hammer’s trusted Series C technology.

Key Features and Benefits

• 125 Amp Rating – Handles higher current loads for demanding applications with steady, dependable performance.
• Fixed Thermal‑Magnetic Trip – Built-in protection against both prolonged overloads and sudden short circuits.
• High Interrupt Capacity – Rated at 65,000 AIC at 240 Vac for reliable fault clearing under high-stress events.
• Space-Efficient F‑Frame – Compact form factor allows easier installation in crowded panelboards and switchgear.
• Cutler Hammer Series C Quality – Proven design and build standard known for long life and consistent operation in the field.

Technical Specifications

• Amperage: 125 A
  
• Voltage Rating: 240 Vac / 125 Vdc
  
• Interrupting Rating: 65 kAIC @ 240 Vac
  
• Trip Mechanism: Fixed thermal‑magnetic
  
• Poles: 3
  
• Frequency: 50–60 Hz
  
• Frame Type: F‑Frame
  

Material Compliance and Certifications

• UL Listed – Verified to meet strict Underwriters Laboratories safety standards for circuit protection.
• Compliant Components – Built with materials and manufacturing processes aligned with modern safety and quality benchmarks.

Suitability

• The ED3125 is an ideal fit for electrical panels in industrial plants, commercial buildings, manufacturing facilities, and data-driven environments. Its high ampacity and quick fault response make it especially valuable in places where uptime and safety are critical. From busy server rooms to power-intensive workshops, this breaker stands up to demanding conditions with minimal maintenance and easy installability.