Description
The Square D FH360301021 is a three-pole molded case circuit breaker engineered for reliable overcurrent and short-circuit protection in high-voltage power distribution systems. Rated at 30 amps and up to 600 volts AC, this breaker utilizes thermal-magnetic trip technology to ensure stable protection across varying load conditions. It is designed for use in commercial and industrial panelboard installations requiring I-Line compatibility.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Circuit Protection |
| Part Number |
FH360301021 |
| Subcategory |
Circuit Breakers |
| Series |
FH |
| Product Type |
Molded Case Circuit Breaker |
| Frame Type |
F-Frame |
| Rated Current |
30 A |
| Number of Poles |
3 |
| Voltage Rating |
600 V AC |
| Trip Type |
Thermal-Magnetic |
| Interrupting Rating |
65 kA @ 240 VAC; 25 kA @ 480 VAC; 18 kA @ 600 VAC |
| Line Side Termination |
I-Line |
| Load Side Termination |
Lugs |
| Application |
Power Distribution |
| Weight |
4 lb (approx.) |
Information About FH360301021
The FH360301021 is part of Square D’s FH series within the F-Frame molded case circuit breaker lineup, known for compact design and high interrupting performance. This breaker incorporates a thermal-magnetic trip unit that provides both long-time overload protection and instantaneous short-circuit response. It features an I-Line line-side connection combined with lug-type load-side termination for secure electrical integration. Designed to meet industry standards, the breaker is suited for three-phase systems operating in demanding distribution environments.
Key Features:
- 30 Amp Current Rating: Provides precise protection for medium-load three-phase circuits.
- Three-Pole Configuration: Ensures balanced protection across all phases.
- 600V AC Voltage Rating: Supports high-voltage commercial and industrial applications.
- Thermal-Magnetic Trip Unit: Combines overload and instantaneous fault protection.
- High Interrupting Capacity: Rated up to 18 kA at 600 VAC for effective fault interruption.
- I-Line Line-Side Connection: Allows direct integration into compatible Square D systems.
- Lug Load-Side Termination: Ensures secure conductor connections on the load side.
The FH360301021 delivers the reliability and precision required for industrial and commercial power distribution protection.
