The Cutler-Hammer EHD3090 is a 90-amp, 3-pole, 480Y/277V EHD Series E-Frame molded case circuit breaker. Designed for commercial and industrial applications on 480Y/277V wye-connected systems, the EHD3090 provides reliable thermal-magnetic LI protection for branch and feeder circuits. The E-Frame design is compact yet robust, making it suitable for panelboards and switchboards where space is at a premium. HACR-rated and HID-rated for HVAC and lighting loads.
| Specification | Value |
|---|---|
| Amperage | 90A |
| Poles | 3 |
| Voltage | 120/240/480Y/277VAC |
| Interrupt Rating | 25kA @ 240V · 18kA @ 480Y/277V |
| Frame Size | E-Frame (100A Frame) |
| Mounting Type | Bolt-On |
| Trip Type | Thermal Magnetic |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | 14–1 AWG Cu/Al |
| Phase | 3-Phase |
| Standards | UL 489, CSA C22.2 No.5, NEMA AB 1 |
| Temperature Rating | 40°C |
Cutler-Hammer EHD E-Frame 480V 90A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.
Brand: Cutler-Hammer | Series: EHD E-Frame 480V | Catalog Number: EHD3090