EHB34090 - 90A Circuit Breaker

EHB34090 - 90A Circuit Breaker

Take your electrical safety seriously without the jargon. The EHB34090 90 Amp Circuit Breaker by Square D delivers reliable protection for demanding electrical systems. With its strong EHB‑4 frame, three-pole design, and bolt-on fit, it’s the clear top pick for commercial and industrial setups that need steady, straightforward safety.

Key Features and Benefits

• High Interrupting Capacity: Can handle up to 14 kA at 480 VAC and a whopping 65 kA at 240 VAC, so it stands up to tough fault conditions.
• Thermal‑Magnetic Trip Unit: Smartly shuts off power instantly during overloads or short circuits, giving you dependable response every time.
• Bolt‑On Installation: Snaps securely into place without fuss—professional-grade convenience that saves time on-site.
• Heavy‑Duty Build: Crafted from high‑grade materials that stand up to challenging environments and keep working strong.

Technical Specifications

Feature Details

• Amperage 90 Amps
• Poles 3
• A.I.C. Rating 14 kA @ 480 VAC; 65 kA @ 240 VAC
• Frame Type EHB‑4
• Mounting Style Bolt‑On
• Approx. Dimensions 3.00" W × 3.50" L × 2.63" D
• Weight ~3 lbs (1.36 kg)

Material Compliance and Certifications

• UL Listed: Meets essential safety and performance standards under Underwriters Laboratories.
• SWD Rated: Built for switching duty applications—adds flexibility to your system.
• Temperature Range: Rated for 60/75 °C, adaptable for various ambient conditions.

Where It Works Best

This circuit breaker performs best when paired with the NEHB Panelboard, ensuring seamless compatibility and smooth performance. It’s especially suited to commercial buildings, industrial plants, and any place where dependable electrical protection is essential. The high interrupting capacity and thermal‑magnetic design means it won’t back down when the electricity kicks into gear.