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The Eaton Cutler-Hammer LD3300, part of the Series C Circuit Breakers, is a molded case circuit breaker with a robust design. Crafted for three-phase applications, it can handle a rated current of 300 A and accommodate both AC and DC voltage ratings.
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| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Molded Case Circuit Breaker |
| Product Line | Series C Circuit Breakers |
| Part Number | LD3300 |
| Weight | 21.00 lbs (9.53 kg) |
| UPC | 786679026489 |
| Voltage Rating (AC) | 600 VAC |
| Voltage Rating (DC) | 250 VDC |
| Number of Poles | 3 Poles |
| Phase Type | 3 Phase |
| Rated Current | 300 A |
| Interrupting Rating (AIC) at 240 VAC | 65 kAIC |
| Interrupting Rating (AIC) at 480 VAC | 35 kAIC |
| Interrupting Rating (AIC) at 600 VAC | 25 kAIC |
| Interrupting Rating (AIC) at 250 VDC | 22 kAIC |
| Trip Unit Type | Fixed Thermal, Fixed Magnetic |
| Trip Functions | LI (Long-Time and Instantaneous) |
| Terminal Type | Line and Load side lugs |
The LD3300 from Eaton Cutler-Hammer is designed as a molded case circuit breaker for three-phase installations. It is engineered to support a maximum rated current of 300 A, allowing it to efficiently manage electrical loads in industrial and commercial environments.
This breaker supports an AC voltage rating of up to 600 VAC alongside a 250 VDC voltage rating, ensuring versatility in diverse electrical systems. The three-pole configuration accommodates a wide range of applications. Key features include interrupting ratings of 65 kAIC at 240 VAC, 35 kAIC at 480 VAC, and 25 kAIC at 600 VAC, providing necessary protection against short circuits and overloads. For DC applications, it has a 22 kAIC interrupting rating at 250 VDC, ensuring reliable electrical safety.
This device utilizes a trip unit that incorporates both fixed thermal and fixed magnetic mechanisms, which facilitate precise trip actions for long-time and instantaneous faults. Wire connections are facilitated through line and load side lugs, ensuring secure and efficient electrical connections in various setups. The LD3300 series, identified by its UPC number 786679026489, represents Eaton Cutler-Hammer's commitment to delivering robust circuit protection solutions suitable for today's electrical demands.