The Westinghouse/Eaton JDB3250 is a 250-amp, 3-pole, 600V J-Frame molded case circuit breaker. Part of the Eaton Series C product line, the JDB series provides 22kA interrupting capacity at 480V with thermal-magnetic LI protection. The J-Frame accommodates 70–250A ratings and is commonly found in commercial and industrial panelboards, motor control centers, and switchboards. This breaker is a direct replacement for legacy Westinghouse J-Frame units and is compatible with Eaton Series C panelboard hardware.
| Specification | Value |
|---|---|
| Amperage | 250A |
| Poles | 3 |
| Voltage | 600VAC |
| Interrupt Rating | 65kA @ 240V · 22kA @ 480V · 14kA @ 600V |
| Frame Size | J-Frame (250A Frame) |
| Mounting Type | Bolt-On |
| Trip Type | Thermal Magnetic |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | 4 AWG–350 kcmil (Al/Cu) |
| Phase | 3-Phase |
| Standards | UL 489, CSA C22.2 No.5, NEMA AB 1 |
| Temperature Rating | 40°C |
Westinghouse / Eaton JDB J-Frame 600V 250A 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: Westinghouse / Eaton | Series: JDB J-Frame 600V | Catalog Number: JDB3250
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