Best 100 Amp 3-Pole 480V Breaker for Panels and Systems
Panel protection is crucial for reliability in industrial and commercial electrical setups. This guide reviews five 100A, 3-pole breakers designed for 480V applications, highlighting features, compatibility, and practical considerations to help you choose the right device for your panel. Each product section includes a quick link to the Amazon listing, an image, and key specifications drawn from the official features.
| Product | Brand | Voltage | Pole Count | |
|---|---|---|---|---|
| ASI 100A, 3-Pole | ASI | 480V | 3 | Visual trip indication |
| Square D HGA36100 | Square D | 480V | 3 | I-Line compatibility |
| Square D FA34100 | Square D | 480V | 3 | FA frame, 3-Pole |
| EHD3100 | Generic | 480V | 3 | Bolt-on molded case |
| Siemens BQD3100 | SIEMENS | 480Y/277V | 3 | UL Listed, bolt-in |
ASI 100A, 480V AC, 60V DC, 3 Pole, DIN Rail Mount
The ASI 100A, 480V AC, 60V DC, 3 Pole DIN rail mount miniature circuit breaker features a C-curve trip mechanism suitable for general purpose protection. It includes a visual trip indication for quick status checks and screw clamp connections that simplify wiring. The package weighs about 1.0 pound with compact dimensions for easy integration into panel boards. This unit is designed for DIN rail installations, offering a modular option for control circuits and auxiliary equipment within 480V systems.
Square D HGA36100 I-Line 3-Pole 100A 480V
The Square D HGA36100 is a 3-pole, 100-amp breaker built for I-Line panels, rated for 480V operation. As a Type HGA unit, it is designed for reliable overcurrent protection in industrial distribution systems. The HGA family is known for easy bolt-in or snap-in compatibility in dedicated Square D panel board configurations, making replacement straightforward in existing installations that require 3-pole 480V protection.
Square D FA34100 Circuit Breaker, FA, 3-Pole, 100-Amp
The Square D FA34100 is a 3-pole, 100-amp circuit breaker designed for FA frame panels at 480 volts. As part of the FA family, it provides robust overcurrent protection with standard 3-pole configuration for multi-phase systems. The FA series is widely used in industrial and commercial installations where reliable tripping and panel compatibility are essential for continuous operation.
EHD3100 Molded Case 100A 3-Pole 480V
The EHD3100 molded case breaker is a bolt-on 3-pole device rated at 100A for 480V systems. This part provides bolt-on mounting and is suitable for applications requiring sturdy mechanical anchoring and predictable tripping characteristics within industrial control panels. Details include model identification and general installation notes to ensure proper fit with compatible enclosures.
Siemens BQD3100 100A 3-Pole 480Y/277V
The Siemens BQD3100 is a 3-pole, 100-amp circuit breaker intended for 480Y/277V systems. It is UL Listed and designed for panel board mounting with bolt-in installation. This unit provides reliable protection for multi-phase electrical networks and is compatible with Siemens panel configurations that support the BQD series in 480Y/277V environments.
Buying Guide
When selecting a 100A, 3-pole breaker for 480V systems, consider these factors:
- Voltage and phase compatibility: 480V three-phase versus 480Y/277V; confirm your system’s configuration and the breaker’s rated voltage.
- Mounting type: DIN rail, bolt-on, or bolt-in; choose based on panel design and serviceability requirements.
- Trip curve and protection type: C-curve is common for general protection, but verify the inrush and fault current characteristics of your load.
- Panel compatibility: ensure the breaker family (e.g., FA, HGA, BQD) matches your existing panel or enclosure brand to avoid fit and warranty issues.
- Physical attributes: size, weight, and terminal type influence ease of installation and space planning inside panels.
- UL listing and certifications: verify UL or equivalent approvals for safety and compliance in your region.
- Reliability and replacement availability: consider common replacement cycles and the availability of spare parts or equivalents.