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KDB3250
The KDB3250 is a molded case circuit breaker from Eaton Cutler-Hammer's Series C. This device supports three poles and has a current rating of 250 A, suitable for both AC and DC applications with voltage ratings of 600 VAC and 250 VDC, respectively.
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Technical specifications for KDB3250
| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | Series C Circuit Breakers |
| Part Number | KDB3250 |
| UPC | 786679349366 |
| Frame Type | K Frame |
| Number of Poles | 3 Poles |
| Trip Type | Interchangeable electronic trip (T186) |
| Terminals | Line and load |
| Terminal Material | Aluminum |
| Current Rating | 250 A |
| AC Voltage Rating | 600 VAC |
| DC Voltage Rating | 250 VDC |
| Interrupt Rating at 240 VAC | 65 kAIC |
| Interrupt Rating at 480 VAC | 35 kAIC |
| Rated Max. Operating Frequency | 60 Hz |
| Rated Mini. Operating Frequency | 50 Hz |
| Operating Temperature | 40°C |
The KDB3250 molded case circuit breaker, manufactured by Eaton Cutler-Hammer, delivers reliable circuit protection within its Series C offering. This module is designed with three poles and accommodates a current rating of 250 Amps. It operates at an AC voltage maximum of 600 volts and a maximum DC voltage of 250 volts. Its frame type is classified as K Frame, ensuring structural integrity in a variety of installations.
The KDB3250 incorporates an interchangeable electronic trip mechanism known as T186. This feature allows for greater customization and adaptability to specific circuit requirements. Additionally, it is equipped with aluminum terminals for both line and load connections, providing a durable and efficient design.
The interrupt ratings indicate robust performance under fault conditions, with a 65 kAIC rating at 240 VAC and a 35 kAIC rating at 480 VAC. This circuit breaker's approved maximum operating frequency is 60 Hz while it can accommodate a minimum frequency of 50 Hz. When considering temperature limits, the KDB3250 is suitable for use in environments where ambient temperatures reach up to 40°C, making it a dependable part of electrical distribution systems.
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