Description
The Eaton Cutler-Hammer FD1100 is a single-pole molded case circuit breaker designed for reliable electrical protection in commercial and industrial systems. Rated at 100 amps and 277 volts, this breaker features a 35kA interrupting capacity to safely manage high fault currents. The FD1100 utilizes a bolt-on connection and provides thermal-magnetic protection with long-time and instantaneous trip functions for dependable performance.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Eaton Cutler-Hammer |
| Category |
Circuit Breaker |
| Part Number |
FD1100 |
| Subcategory |
Molded Case |
| Series |
Series C |
| Frame Type |
F-Frame |
| Voltage Rating |
277 VAC / 125 VDC |
| Amperage Rating |
100 A |
| Poles |
1 |
| Phase |
1 |
| Interrupting Capacity |
35kA @ 277V AC, 18kA @ 347V AC |
| Protection Type |
Thermal Magnetic |
| Trip Functions |
Long-Time and Instantaneous |
| Trip Type |
Fixed Thermal / Fixed Magnetic |
| Mounting Type |
Bolt-On |
| Terminal Connection |
Load Side |
| Frequency |
50/60 Hz |
| Certifications |
UL Listed, CSA Approved |
| Operating Temperature Range |
-13°F to 158°F (-25°C to 70°C) |
| Dimensions (H x W x D) |
6 x 1.38 x 3.38 in |
| Country of Origin |
Dominican Republic |
| Weight |
2 lb |
Information About FD1100
The FD1100 is part of the Eaton Series C F-Frame family of molded case circuit breakers engineered for demanding electrical distribution environments. It incorporates fixed thermal and fixed magnetic trip units to protect circuits from both overloads and short-circuit events. The device’s compact and durable construction supports installation in panelboards and switchgear using a bolt-on connection for secure mounting. Certified under UL and CSA standards, the FD1100 ensures compliance with international electrical protection requirements and is suitable for both 50Hz and 60Hz applications.
Key Features:
- Current Rating: 100 Amps – Provides reliable circuit protection for medium-capacity electrical systems.
- Voltage Rating: 277 VAC / 125 VDC – Suitable for both alternating and direct current applications.
- Interrupting Capacity: 35kA @ 277V – Safely interrupts high fault currents to prevent equipment damage.
- Protection Type: Thermal Magnetic – Combines thermal overload and magnetic short-circuit protection.
- Trip Functions: Long-Time and Instantaneous – Ensures quick, accurate response to overloads or faults.
- Mounting Type: Bolt-On – Enables secure and simple installation in compatible panels.
- Frame Size: F-Frame – Supports Series C accessories and configurations for flexible integration.
- Standards Compliance: UL Listed, CSA Certified – Meets North American safety and performance standards.
The FD1100 delivers the reliability and precision required for industrial and commercial power distribution applications.
