Yes the circuit breakers are are bi-directional, and they are fine to use on DC provided that they are appropriately de-rated. A rule of thumb is 30%, so if you are using 240VAC breakers, they will be fine for up to ~70VDC..
In this manner, what is bidirectional circuit?
Bidirectional gates, unlike unidirectional ones, transmit signals of both positive and negative polarities. These gates can be constructed using either transistors or diodes. From different types of circuits, let us go through a circuit made up of transistors and another made up of diodes.
do AC circuit breakers work on DC? Since there is no 0v point, the AC breaker design will NOT work in a DC circuit. The DC breaker uses a magnet to attract the arc, pulling it from the air gap, and extinguishes it. The AC breaker is NOT equiped with a magnet, and cannot extinguish a DC arc. Conversely, don't use a DC rated breaker in an AC circuit.
Likewise, do circuit breakers have polarity?
The current must flow in a clockwise direction through the device. The 1489-D circuit breaker includes permanent magnet so polarity is again important for the proper operation of the device. During the installation process polarity does not need to be taken into consideration.
Can circuit breakers be reverse fed or back fed?
Circuit breakers may always be "reverse" fed unless they are marked with specific LINE and LOAD terminals.
Related Question Answers
What is active circuit?
Active circuits are circuits with energy supplying components in them, whereas passive circuits can only consume (or preserve) energy. So any circuit with a voltage source or current source would be an active circuit.What is 74ls245?
74LS245 Bus Transceiver The TTL 74LS245 is an octal bus transceiver (Transmitter/Receiver) designed for asynchronous two-way communication between two data buses or input/output device. So for example, if the direction-control input is HIGH at logic level “1”, then data will pass from terminals A to terminals B.What is linear and nonlinear circuit?
As the name tells everything, a linear circuit means linear characteristics in between Current and Voltage, which means, current flowing through a circuit is directly proportional to the applied Voltage. A nonlinear circuit is an electric circuit whose parameters are varied with respect to Current and Voltage.What is lumped and distributed elements?
The elements building lumped systems are thought of being concentrated at singular points in space. On the other hand the distributed systems are built based on the assumption of being distributed in space. So the physical quantities depends both on time and space.Is capacitor a bilateral element?
Capacitor is a bilateral element (provides same impedance if direction of current is reversed)- what I studied in Classification of elements. If it is a bilateral element then it should provide the same impedance when current is reversed.What is the difference between active and passive elements?
Active components are those who delivers or produce energy or power in the form of a voltage or current. Active components can control the flow of current, but the passive components cannot control the flow of the current. Active components are energy donor, whereas the passive components are energy acceptor.What do u mean by diode?
A diode is a specialized electronic component with two electrodes called the anode and the cathode. Most diodes are made with semiconductor materials such as silicon, germanium, or selenium. The fundamental property of a diode is its tendency to conduct electric current in only one direction.What is unilateral and bilateral elements?
Unilateral Element: Conduction of current in one direction is termed as unilateral (example: Diode, Transistor) element. [ 1] Bilateral Element: Conduction of current in both directions in an element (example: Resistance; Inductance; Capacitance) with same magnitude is termed as bilateral element. [What is the difference between AC circuit breaker and DC circuit breaker?
DC circuit breaker, like their name suggests, is used for the protection of electrical devices that operate with direct current. The main difference between direct current and alternating current is that in DC the voltage output is constant, while in AC it cycles several times per second.What is an AC breaker?
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected.Can I use a 240v fuse in a 12v circuit?
Re: Is a 12v fuse the same as 240v 5A? Yes, it will be fine. Fuses sometimes have a maximum voltage rating that they can safely interrupt, but that's a function of the distance between the terminals and the insulating material used. (For instance, most car-type blade fuses are rated for 32 volts.)Are AC and DC switches interchangeable?
Yes, an AC switch should be fine to control a few milliamperes of a relay coil. The relay is designed to switch high DC currents.What does it mean to backfeed a breaker?
Description. By definition, backfeeding causes electrical power to flow in the opposite direction from its usual flow. A power station will typically backfeed (and thus consume power) when it is shut down, due to its own local loads (e.g. lights or repair equipment).Is it safe to backfeed your house through a dryer outlet?
Backfeeding is a dangerous and possibly illegal way to power your home by connecting your generator to an appliance outlet (like a dryer outlet) and allowing electrical power to flow in reverse. Using backfeeding to restore power to your home is dangerous because electrical loads are not balanced.Which side of circuit breaker is load?
The line side of an outlet is where you connect the incoming source power. The load side is where the power leaves the device (or electrical box) and travels down the circuit.How do you wire a circuit breaker?
If you're installing a breaker on a subpanel, place the neutral and ground on separate bus bars. Neatly route the black and white wires to the empty breaker space. Attach the wires to the breaker and then snap it into the box, or install the breaker first and insert the wires last.Can I plug a generator into a 220v outlet?
Generators should never be connected to a home electrical outlet and should not be directly connected to the circuit breaker panel. If you plug your generator directly into a wall outlet, then the wiring in your house is no longer protected by a circuit breaker or fuse in your power panel.Can you backfeed a GFCI breaker?
Never backfeed or reverse run the GFCI breakers. The electronic control can get fried up like that. 
