EATON EGSDC Series DC Circuit Breakers
Eaton EGSDC Series DC circuit breakers protect DC electrical systems from damage caused by overcurrents and short circuits. They are ideal for the power generation, transportation, telecommunication and marine industries.
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A| Style | Model | Amps | Terminals | Height | No. Of Poles | Voltage | Frequency | Circuit Breaker Frame Type | Class | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | EGSDC3025FFG | 25A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,594.98 | |
| A | EGSDC3025FFW | 25A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,567.72 | |
| A | EGSDC3030FFW | 30A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,567.72 | |
| A | EGSDC3030FFG | 30A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,594.98 | |
| A | EGSDC3035FFG | 35A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,594.98 | |
| A | EGSDC3035FFW | 35A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,699.94 | |
| A | EGSDC3040FFW | 40A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,647.45 | |
| A | EGSDC3040FFG | 40A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,594.98 | |
| A | EGSDC3045FFG | 45A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,594.98 | |
| A | EGSDC3045FFW | 45A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,567.72 | |
| A | EGSDC3050FFG | 50A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,729.46 | |
| A | EGSDC3050FFW | 50A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,567.72 | |
| A | EGSDC3060FFG | 60A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,594.98 | |
| A | EGSDC3060FFW | 60A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,567.72 | |
| A | EGSDC3070FFG | 70A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,943.04 | |
| A | EGSDC3070FFW | 70A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,764.70 | |
| A | EGSDC3080FFG | 80A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,943.04 | |
| A | EGSDC3080FFW | 80A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,764.70 | |
| A | EGSDC3090FFG | 90A | - | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,791.93 | |
| A | EGSDC3090FFW | 90A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,764.70 | |
| A | EGSDC3100FFG | 100A | Line And Load | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,791.93 | |
| A | EGSDC3100FFW | 100A | Without Terminals | 5 1/2" | 3 | 347/600V AC | 50/60 Hz | Complete Breaker | V DC | €1,854.44 |
Working Mechanism
- These EGSDC Series DC circuit breakers incorporate both fixed thermal and magnetic trips.
Fixed Thermal Trips
- Fixed thermal trips are based on the heat generated by the current passing through the circuit.
- The trip unit contains a bimetallic strip sensitive to temperature changes.
- As the current increases, the bimetallic strip heats up and bends, triggering the breaker to trip.
Fixed Magnetic Trips
- Fixed magnetic trips use the strength of the magnetic field created by the current passing through the circuit.
- The trip unit contains an electromagnet sensitive to changes in magnetic field strength.
- As the current increases, the magnetic field strength increases and when it reaches a certain level, it triggers the breaker to trip.
Features
- Eaton EGSDC Series DC circuit breakers have a contact design that pushes away contact arms for protection during false currents.
- They have thermal-magnetic trip units for protection against overloads and short circuits.
- These circuit breakers feature a three-pole configuration to protect all three phases in 3-phase electrical systems.
Standards and Approvals
- UL
Frequently Asked Questions
What is the difference between a circuit breaker and a fuse?
A circuit breaker can be reset and reused, while a fuse must be replaced once it has blown.
How to choose the right circuit breaker for a specific application?
Choosing the right circuit breaker for a specific application depends on the electrical load requirements of the circuit, the voltage & frequency of the electrical supply and the environment in which the circuit breaker will be used.
How to maintain these Eaton EGSDC Series DC circuit breakers?
- Inspect them for damage or wear.
- Test their tripping function.
- Check the tightness of electrical connections.
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