Pole Circuit
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AC 230V 400V 20A Single Pole 1P MCB Mini Circuit Breaker with Plastic Housing $9.48 |
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40A 380V Electrical Circuit Control 3 Pole NO AC Contactor $30.85 |
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FUFI Circuit Breaker 15 Amps, 2 Pole. $16.00 |
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Siemens ITE E43B100 100 Amp Circuit Breaker 3 Pole 480 VAC $35.00 |
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AC 230/400V 50 Amp 2 Poles On Off Switch Miniature Circuit Breaker $8.34 |
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Pushmatic 15 Amp Double pole Circuit Breaker Used Cheapest on Ebay!!!! $1.99 |
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Overload Protection Three Pole 3P Miniature Circuit Breaker AC 400V 16A $17.57 |
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ZINSCO QCAL-70 Circuit Breaker 2POLE 70Amp 120/240V $75.00 |
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10A AC 230V 400V Single Pole 1P MCB Miniature Circuit Breaker $9.91 |
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SYLVANIA HSEH-1-C-20 1POLE 20AMP 277VAC CIRCUIT BREAKER $29.95 |
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SYLVANIA SEH-1-C-20 1POLE 20AMP 277VAC CIRCUIT BREAKER $29.95 |
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AC 230V/400V 100A 2 Pole 2P Overload Miniature Circuit Breaker $38.44 |
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25A AC 220V 2 Poles 2P RCCB Residual Current Circuit Breaker DZL43 $23.19 |
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WESTINGHOUSE 3POLE 800AMP CIRCUIT BREAKER $999.95 |
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WESTINGHOUSE EB1020 1POLE 20A 120/125V CIRCUIT BREAKER $19.95 |
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WESTINGHOUSE EH1020X 1POLE 20AMP 277VAC CIRCUIT BREAKER $19.95 |
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WESTINGHOUSE EHB1015 1POLE 15AMP 277VAC CIRCUIT BREAKER $99.95 |
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WESTINGHOUSE EHB3015 3POLE 15AMP 480VAC CIRCUIT BREAKER $149.95 |
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WESTINGHOUSE EHB3025 3POLE 25AMP 480VAC CIRCUIT BREAKER $499.95 |
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2 Terminals AC230V 15A Single Pole Mini Circuit Breaker $9.42 |
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WESTINGHOUSE MC3800F 3POLE 800AMP 600V CIRCUIT BREAKER $999.95 |
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WESTINGHOUSE NB3800PF 3POLE 800AMP 600V CIRCUIT BREAKER $2,999.95 |
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C63 63A 50Hz 1 Poles Residual Current Protection Circuit Breaker $17.87 |
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63A AC 220V 2 Poles 2P Switch Type RCCB Residual Current Circuit Breaker $22.92 |
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16A AC 400V Double Poles 2P Transparent MCB Circuit Breaker DZ47-63 C16 $10.14 |
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(BOX of 10) NEW CUTLER-HAMMER 20 AMP 2 POLE Duplex Circuit Breaker BR2020 $115.00 |
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3VE1 4-6.3A 3P 3 Pole 20A MPCB Motor Protection Circuit Breaker $22.01 |
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25A Plastic Case 4 Poles 2P+2P Miniature Circuit Breaker AC 400V $21.89 |
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AC 400V 32A Double Poles 2P MCB Miniature Circuit Breaker $9.72 |
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9-14A 690V 3 Pole Motor Circuit Breaker DIN Rail Mount $25.91 |
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Electrical Circuit Control 3 Pole AC Contactor CJX2-3210 $33.61 |
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AC 400V 40A Three Poles 3P MCB Miniature Circuit Breaker $14.55 |
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0.1-0.16A 3P Pole Motor Protection Circuit Breaker MPCB DIN Rail Mount $27.95 |
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DZ47-63 20A 2 Pole On/off Switch Miniature Circuit Breaker $10.49 |
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Fuji Electric D15A 15A CP6 2 Pole Circuit Breaker DIN $19.99 |
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Square D EDB EDB34100 3 Pole 100 amp 277/480v Circuit Breaker $109.99 |
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Cutler Hammer 2 pole 30 amp Type CH circuit breaker $1.99 |
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Square D Circuit Breaker 50A Type FAL32050 3 Pole USED $55.00 |
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(BOX of 10) NEW CUTLER-HAMMER 30//20 AMP 2 POLE Duplex Circuit Breaker BR3020 $115.00 |
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Challenger 20A 600V 3 Pole Circuit Breaker $150.00 |
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25A AC 380V 3 Poles 3P Switch Type RCCB Residual Current Circuit Breaker $22.90 |
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240V AC 10A 2 Pole 1 Element 2P1E Safety Breaker Switch MCB Mini Circuit Breaker $7.47 |
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AC230V 25A 2 Pole MCB Mini Circuit Breaker 4 Terminals $14.42 |
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Single Pole 40A MCB Miniature Circuit Breaker AC230V $6.88 |
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32A AC 380V 4 Poles 4P Switch Type RCCB Residual Current Circuit Breaker $24.02 |
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AC 400V 32A 3 Poles 3P MCB Mini Circuit Breaker with Plastic Housing $19.26 |
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Square D A1B120 20 Amp 1 POLE A1B CIRCUIT BREAKER $21.20 |
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Two Poles AC 400V 6A Mini Circuit Breaker DZ47-63 C6 $9.48 |
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3 Square D 40 Amp 2 Pole Plug-on Circuit Breaker QO240 $24.99 |
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AC 230V 400V 16A One Pole 1P Transparent MCB Mini Circuit Breaker $7.33 |
Diode And Its Circuits
In almost integrated circuits, diodes are the dispensable part. It can make the current flow in the expected direction. In electronics, a diode is a two terminal device which conducts the current in only one direction. It has two terminals: a plate and a cathode.
The most common function of a diode is to let the current flow in one direction. If the current goes through in the opposite direction, it will be blocked and there is a big voltage over the device. Based on this theory, the diode is often used as a current limiter.
The applications of the diodes are as follows. First is its radio demodulation use. It can be for the amplitude modulated radio broadcasts. The diode rectifies the amplitude modulated radio frequency signal. Second is its over voltage protection function. The diode is able to prevent the large voltage from going through the electronic component. When the voltage is above the normal range, the diodes become forward biased. Thus, the electronic component will be survived from being damaged.
When using a diode, it must be put in a correct direction, or the correct way round. Diodes are labelled with a small print on the top of the negative pole, making it easily to recognize. You must see clearly, or the diode will be damaged when the current is flowing through.
With the development of times, diodes are gradually go out of the electronical world, but it is also the necessary part in the integrated circuits, and chips are made without them. A good example of such a chip is: AP0820.
About the Author
xxz100 is the freelance writer for e-commerce website in the IC. seekic.com offers the IC buyers around the world to find quality supplier of ICs globally. We try best to aggregate all the trade leads in the IC business world, and let these leads benefit all business person.
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Energized Double Circuit Pole Change Part 1/2