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Manual MultiPlus 12 | 3000 | 120 - 50 | 120V
Manual MultiPlus 12 | 3000 | 120 - 50 | 120V

... a. Switch rapidly from “on” to “charger only” and leave the switch in this position for ½ to 2 seconds. b. Switch rapidly back from “charger only” to “on” and leave the switch in this position for ½ to 2 seconds. c. Switch once more rapidly from “on” to “charger only” and leave the switch in this po ...
FJN3305R NPN Epitaxial Silicon Transistor — NPN Epit axial
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... cause the failure of the life support device or system, or to affect its life, and (c) whose failure to perform when properly used in safety or effectiveness. accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. ANTI ...
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... Power Dissipation (PD) @ 85qC ...
MAX1992/MAX1993 Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages
MAX1992/MAX1993 Quick-PWM Step-Down Controllers with Inductor Saturation Protection and Dynamic Output Voltages

... The MAX1992/MAX1993 pulse-width modulation (PWM) controllers provide high-efficiency, excellent transient response, and high DC output accuracy. The devices step down high-voltage batteries to generate lowvoltage CPU core or chipset/RAM supplies in notebook computers. Maxim’s proprietary Quick-PWM™ ...
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... CLOSED indication via the LCD indicators on the front panel. For a recloser controlled by the Form 3A control, the control can be provided with red-green lights as an accessory, operated from the recloser auxiliary switch (and connecting cable) or from a control Recloser Status accessory. 5. Cincinn ...
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... the master panels, wiring can be routed to most laboratories and many classrooms throughout the building. Up to 30 A can be imposed on any of these wires. The master circuit breakers in Panel A have what is called a ―shunt trip‖ mechanism. They can be turned off with a short pulse of ac power. When ...
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... tolerance on this trip point from device to device. Once the die temperature exceeds the set thermal point, the device enters into the shutdown state and the outputs are disabled. This is not a latched fault. The thermal fault is cleared once the temperature of the die is reduced by 50°C. The device ...
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... The curve AB in above figure identical to open circuit characteristic (O.C.C.) curve. This is because in DC series generators field winding is connected in series with armature and load. Hence, here load current is similar to field current (i.e. IL=If). The curve OC and OD represent internal and ext ...
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... This paper presents an implementation of the DC/DC push–pull converter for an uninterruptible power supply (UPS). Some classical DC/DC converters are presented and analyzed for pointing out their advantages and drawbacks. Besides, an original system based on a push-pull converter associated with a d ...
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... PSC is subjected to two different irradiance levels. Modules that receive high irradiance level ( ) are called insolated modules and those which receive lower irradiance level ( ) are named shaded modules. The insolated modules of a string drive the string current. Therefore, portion of the string c ...
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... The main function of an electrical power transformer is to transfer electrical energy from one side (primary) to the other side (secondary). The secondary current and voltage may or may not be at the same level as that of the primary current and voltage. The energy is transferred by means of magneti ...
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... without the correct power supply voltage. Every microprocessor needs its power supply to be within a predefined range, to be able to function properly. A small glitch in the power supply can cause the system to crash. Incorrect power-up sequences, slow ramp-up and glitches on the supply lines are co ...
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... Multi-terminal HVDC, however, is rarely used due to the cost of the additional converter stations, complexity of the control system, the need for DC circuit breakers, etc. The traditional line-commutated current source converters are very difficult to coordinate without communications and hard to gu ...
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... the displayed voltage continually varies, alternating between some maximum and some minimum values. This occurs because, as the frequency of the generator voltage is decreased, the wavelength of this voltage increases, causing the electrical length of the line, lȜ, to decrease, as Figure 3-14 shows. ...
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Electrical ballast



An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic.Ballasts vary in design complexity. They can be as simple as a series resistor or inductor, capacitors, or a combination thereof or as complex as electronic ballasts used with fluorescent lamps and high-intensity discharge lamps.
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