Customization: | Available |
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Breaking Capacity: | Low Voltage Circuit Breakers |
Operation: | Electric Type |
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Miniature Circuit Breaker (MCB) The first consideration when selecting electrical equipment or gadgets is safety. When the power fluctuates or an excessive amount of current flows, it produces damage in the form of an overload or short circuit. Therefore, it is vital to include a device as a safety factor to safeguard electrical devices/circuits against overcurrent. In the early days, the fuse was one of the most popular devices used to safeguard the circuit. A fuse has a metal wire or strip that melts when an excessive current flow occurs, therefore interrupting or halting the passage of electricity.
The EDB1-63 DC Miniature Circuit Breaker is 1p,2p,3p,4p, double-throw device used to disconnect the power from a circuit. It is commonly used in low voltage applications to protect against overloads and short circuits. The EDB1-63 Miniature Circuit Breaker has a fixed current rating of 63 amps and a voltage rating of 250/1000 volts DC. The EDB1-63 Miniature Circuit Breaker also features a trip setting range of 10 to 63 amps.
Thermal-magnetic and thermal-magnetic release are the two primary types of tiny circuit breakers (TMR). Bimetallic strips that heat up as current flows through them are used in thermal magnetic breakers. The strip expands as a result of the heating, triggering a mechanism that opens the circuit.
The TMR tiny breakers, on the other hand, function similarly but employ an electromagnetic coil in place of bimetal strips for tripping. They are designed to trip at currents that are greater than what thermal breakers can handle. They frequently refer to themselves as air-cooled circuit protectors since they frequently use air as their heat source (ACP).
An ACB trips when there is too much current flowing through it or when the temperature exceeds permissible thresholds. Consequently, certain kinds of breakers are employed.
Pole | 1P | 2P | 3P | 4P | ||
Rated Working Voltage | Normal Voltage Ue | 250V DC | 500V DC | 750V DC | 1000V DC | |
High Voltage Ue | 300V DC | 600V DC | 900V DC | 1200V DC | ||
Frame Current | 63A | |||||
Rated Current In | 10A,16A, 20A, 25A, 32A,40A, 50A, 63A | |||||
Rated Insulation Voltage Ui | 1200V | |||||
Rated Impulse Withstand Voltage Uimp | 6kV | |||||
Tripping Characteristics | B/C | |||||
Tripping Type | Thermal Magnetic | |||||
Rated Ultimate Short-Circuit Breaking Capacity Icu | 6/10kA | |||||
Rated Service Short-Circuit Interrupting Capacity Ics | 6/7.5 kA | |||||
Electrical Life | Actual | 2000 Cycles | ||||
Standard | 1500 Cycles | |||||
Mechanical Life | Actual | 20000 Cycles | ||||
Standard | 8500 Cycles | |||||
Overvoltage Category | III | |||||
Pollution Degree | 3 | |||||
Ingress Protection | IP40; Wiring port IP20 | |||||
Resistance to humidity and heat | Class 2 | |||||
Relative Humidity | ≤ 95 % | |||||
Vibration | acc. to IEC60068-2-6 | |||||
Shocks | acc. to IEC60068-2-27 | |||||
Terminal capacity | 2.5-25mm² | |||||
Fastening Torque of Terminals | 2.5 N.m | |||||
Ambient Temperature | -30°C~70°C | |||||
Storage Temperature | -40°C~85°C | |||||
Installation Method | DIN | |||||
Elevation | ≤2000m | |||||
Dimension | Width:18mm/Pole | |||||
High: 68mm | ||||||
Depth: 81mm | ||||||
Weight 125.3g | 250.55g | 375.9g | 501.1g |