FHB16020B | Square D 20A 1-Pole 347V FHB Molded Case Circuit Breaker
Square D · Circuit Breakers & Protection
Description The Square D FHB16020B is a 1-pole molded case circuit breaker designed to provide dependable overcurrent protection in commercial and industrial electrical systems. Rated at 20 amps and up to 347 volts, this breaker features thermal-magnetic protection and I-Line bolt-on mounting for secure installation in power distribution applications. Technical Specifications Condition New/Never Used Surplus Brand Square D Category Molded Case Circuit Breaker Part Number FHB16020B Subcategory 1-Pole Series FHB Frame Type FH Circuit Breaker Type Molded Case Amperage 20 Amp Voltage Rating 277 VAC / 347 V Poles 1 Phase 1 Mounting Type I-Line Bolt-On Connection Type I-Line Style Plug-In Protection Type Thermal Magnetic Trip Functions LI – Long-Time and Instantaneous Interrupting Rating 25kA @ 240VAC; 25kA @ 277VAC Temperature Rating 40 °C Dimensions (HxWxD) 2.20 in x 7.70 in x 12.90 in Weight 6.0 lb Information About FHB16020B The FHB16020B is part of Square D’s FHB series within the PowerPacT family, engineered for compact, high-performance circuit protection. Built on an FH frame, it is designed for compatibility with Square D I-Line panelboards and switchgear. This breaker supports single-phase systems and incorporates long-time and instantaneous trip functions to protect against overloads and short circuits. Its high interrupting rating makes it suitable for installations with elevated fault current levels. Key Features: 20 Amp Current Rating: Provides precise protection for branch circuits. 1-Pole Configuration: Designed for single-phase electrical applications. 347V Voltage Rating: Suitable for lighting and commercial distribution systems. High Interrupting Capacity: Rated up to 25kA at 277VAC for robust fault protection. Thermal-Magnetic Protection: Ensures reliable overload and short-circuit response. LI Trip Functions: Long-time and instantaneous tripping enhances circuit safety. I-Line Bolt-On Mounting: Provides secure installation and reliable bus connection. The FHB16020B delivers the reliability and precision required for PowerPacT I-Line branch circuit protection applications.
Brand: Square D · Category: Circuit Breakers & Protection
Key features
- 20 Amp Current Rating: Provides precise protection for branch circuits.
- 1-Pole Configuration: Designed for single-phase electrical applications.
- 347V Voltage Rating: Suitable for lighting and commercial distribution systems.
- High Interrupting Capacity: Rated up to 25kA at 277VAC for robust fault protection.
- Thermal-Magnetic Protection: Ensures reliable overload and short-circuit response.
- LI Trip Functions: Long-time and instantaneous tripping enhances circuit safety.
- I-Line Bolt-On Mounting: Provides secure installation and reliable bus connection.
Specifications
| Manufacturer part number | FHB16020B |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Square D |
| Category | Molded Case Circuit Breaker |
| Part Number | FHB16020B |
| Subcategory | 1-Pole |
| Series | FHB |
| Frame Type | FH |
| Circuit Breaker Type | Molded Case |
| Amperage | 20 Amp |
| Voltage Rating | 277 VAC / 347 V |
| Poles | 1 |
| Phase | 1 |
| Mounting Type | I-Line Bolt-On |
| Connection Type | I-Line Style Plug-In |
| Protection Type | Thermal Magnetic |
| Trip Functions | LI – Long-Time and Instantaneous |
| Interrupting Rating | 25kA @ 240VAC; 25kA @ 277VAC |
| Temperature Rating | 40 °C |
| Dimensions (HxWxD) | 2.20 in x 7.70 in x 12.90 in |
| Weight | 6.0 lb |
| Product type | Molded Case Circuit Breaker |
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