Description
The Eaton FD1020L is a 1-pole molded case circuit breaker from the Series C line, engineered for reliable circuit protection in commercial and industrial electrical systems. Rated for 20 amps and 347 VAC / 125 VDC, it uses a fixed thermal-magnetic trip unit to provide both overload and short-circuit protection. With a 35 kAIC interrupting rating at 277 V and durable F-frame construction, the FD1020L ensures consistent performance across demanding power distribution applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Eaton |
| Category |
Circuit Protection |
| Part Number |
FD1020L |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
Series C |
| Frame Type |
F-Frame |
| Number of Poles |
1 |
| Amperage Rating |
20 A |
| Voltage Rating |
347 VAC / 125 VDC |
| Interrupting Rating |
35 kAIC at 277 VAC / 18 kAIC at 347 VAC |
| Trip Type |
Fixed Thermal-Magnetic |
| Functions |
Long-Time and Instantaneous |
| Connection Type |
Feed-Through |
| Terminal Type |
Line and Load Lugs |
| Frequency Rating |
50/60 Hz |
| Certifications |
UL Listed, CSA Approved |
| Compliance Standard |
UL 489 |
| Mounting Type |
Panel Mount |
| Dimensions (H × W × D) |
6 × 1.38 × 3.38 in |
| Country of Origin |
USA or Philippines |
| Weight |
1.4 lb |
Information About
FD1020L
The FD1020L is part of Eaton’s Series C molded case circuit breaker family, designed for OEM, industrial, and commercial installations requiring high interrupting capacity and dependable circuit control. It features an F-frame design with line and load lug terminals, a thermal-magnetic trip mechanism, and feed-through connection for efficient integration into switchgear or panelboards. Its high-speed “blow-open” action enables rapid fault clearing to minimize system damage and downtime. Engineered to meet UL and CSA standards, the FD1020L offers proven reliability and compatibility with a wide range of low-voltage power distribution systems.
Key Features
- High Interrupting Capacity: Rated 35 kAIC at 277 VAC for superior fault protection.
- Thermal-Magnetic Trip Unit: Provides fixed long-time and instantaneous trip functions.
- Durable F-Frame Design: Compact molded case ensures mechanical strength and longevity.
- Dual Voltage Rating: Supports 347 VAC and 125 VDC operation for flexible applications.
- Feed-Through Configuration: Simplifies wiring and integration into existing panels.
- UL Listed and CSA Certified: Complies with international safety and performance standards.
- 50/60 Hz Compatibility: Suitable for both domestic and global electrical systems.
- High-Speed Fault Clearing: “Blow-open” mechanism minimizes arc energy during faults.
The FD1020L delivers the reliability and precision required for industrial, commercial, and OEM power distribution systems requiring dependable circuit protection.
