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Type MCB Breaker 240V 20A Circuit 4P 4 415V D

A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. Circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, and protect power lines and motors. When they have serious overload or short-circuit and under-voltage faults, they can automatically cut off the circuit. Its function is equivalent to a fuse switch. Combination with overheating and underheating relay, etc. Moreover, it is generally not necessary to change the components after breaking the fault current. It has been widely used. Power distribution is an extremely important link in the generation, transmission and use of electricity. The power distribution system includes transformers and various high and low voltage electrical equipment, and the low voltage circuit breaker is a widely used electrical appliance. The main contacts of the low-voltage circuit breaker are closed manually or electrically. After the main contact is closed, the free trip mechanism locks the main contact in the closed position. The coil of the overcurrent release and the thermal element of the thermal release are connected in series with the main circuit, and the coil of the undervoltage release is connected in parallel with the power supply. When the circuit is short-circuited or severely overloaded, the armature of the overcurrent release is pulled in to make the free release mechanism act, and the main contact disconnects the main circuit. When the circuit is overloaded, the thermal element of the thermal release will heat up and bend the bimetal, pushing the free release mechanism to act. When the circuit is undervoltage, the armature of the undervoltage release is released. Also actuate the free trip mechanism. The shunt release is used for remote control. During normal operation, its coil is powered off. When distance control is required, press the start button to energize the coil.Key FeaturesBrandName：TOMZN Type：Mini is_customized：Yes ModelNumber：DZ47-63 Standard：IEC60947,IEC60898 Ratedcurrent：20A Mounting：35mmdinrail BreakingCapacity：4KA CharcteristicCurve：DTypeWhat's In the Box1×circuit breaker

10Pc 200mm OD 7mm 1mm Thick Wall Borosilicate Glass Blowing Tube

Similar Items Description Product Description: High quality borosilicate glass, Premium borosilicate tubing, preferred by scientific and artistic glassblowers world-wide. HEAVY wall tubing 10 pieces,7mm outside diameter with a 1mm wall - all approximately 200mm long. This glass tube bends easily with propane (LPG) and Oxygen mix. high quality, heat and corrosion resistant. Model:D96472 Name:10Pcs 200mm OD 7mm 1mm Thick Wall Borosilicate Glass Blowing Tube Material: Borosilicate Glass Color:Transparent Length: 200mm/7.87'' Outside diameter :7mm/0.27'' Thick Wall: 1mm Applicable : Apply to home,factory, laboratory and so on. Features: - Resistant to high temperature and corrosion. - High quality Borosilicate Glass Blowing Tubes OD 7mm,200mm Length - Fire polished in both sides. Package includes: 10 x Glass Tubes Note: Please allow a slight error due to manual measurements, thank you! Written at the end: We hope you are satisfied with our products and look forward to your feedback. Welcome to visit our shop next time?thank you and wish have a nice day. If you have any problems with our items or services, please tell us first before you leave negative feedback. We will do our best to solve any problem and provide you with the best customer services. Detail Image Key FeaturesModel:D96472Name:10Pcs 200mm OD 7mm 1mm Thick Wall Borosilicate Glass Blowing TubeMaterial: Borosilicate GlassColor:TransparentLength: 200mm/7.87''Outside diameter :7mm/0.27''Thick Wall: 1mmWhat's In the Box10 x Glass Tubes

3.9ft Scuba Diving Surface Marker Buoy With 49.2ft Alloy

Features:Easily draws people\\\'s attention and allows them to find your position quickly.Diving signal tube made from 210D nylon fabric with water-resistant TPU coating,provides added strength in all water conditions.Inflatable safety tube can be filled using the oral inflator or through the use of your regulator(not included) in the opening bottom. Built-in a over pressure relief valve allows the tube to ascend without rupturing.Wide reflective strips provides more safety during nighttime activities. quot;Diver Below quot; reminder marks and diving marks on both sides for maximum visibility.Convenient D rings for easy attachment.Quick to deflate after using,convenient to roll into compact size with elastic fastener strap,good for storage and carry.Aluminum alloy finger spool reel with 49.2ft nylon line,convenient swivel and stainless steel clip.Ideal for cave and wreck diving, scuba diving,traveling diver,snorkeling,photography,and other underwater activities.Specification:Color: Green / Rose / Orange (optional)Package size: 25 * 15 * 5 cm / 9.8 * 5.9 * 2.0 inPackage weight: approx. 439.8 g / 15.5 ozDiving Signal Tube:Material: 210D Nylon + TPU CoatingUnfoldable size: 120 * 15 cm / 47.2 * 5.9 in / 3.9 * 0.5 ftFoldable size: 16 * 9.5 * 6.5 cm / 6.3 * 3.7 * 2.6 inWeight: approx. 332.2 g / 11.7 ozFinger Spool Reel:Material: Aluminum alloy + Polyester + Stainless steelSpool size: 6 * 4 cm / 2.4 * 1.6 inLine length: approx. 150 cm / 49.2 ftClip length: 9 cm / 3.5 inTotal weight: approx. 96.5 g / 3.4 ozPackage List:1* Diving Signal Tube1* Finger Spool Reel (with a clip)NOTE:1.Please allow slight measuring deviation due to manual measurement.2. color displayed in photos may be showing slightly different on your computer monitor since monitors. Thank for your understanding.We confidently assure you'll be satisfied with what you get.However, If there's a chance that you are not satisfied with our goods or something else, please let us know before leaving us a Negative feedback. We will try our best for 100% customer satisfaction. Your 5-Star Positive Feedback is much appreciated to us, and your satisfaction is our greatest motivation to move forward.Welcome to Shop Here! Want more Items? Please come visit our SHOP.*Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 5 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer).Your satisfaction is our first priority.*If you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.Key FeaturesEasily draws people\\\'s attention and allows them to find your position quickly.Diving signal tube made from 210D nylon fabric with water-resistant TPU coating,provides added strength in all water conditions.Inflatable safety tube can be filled using the oral inflator or through the use of your regulator(not included) in the opening bottom. Built-in a over pressure relief valve allows the tube to ascend without rupturing.Wide reflective strips provides more safety during nighttime activities.

4P 20A D Type 240V 415V Circuit Breaker MCB 4

A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. Circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, and protect power lines and motors. When they have serious overload or short-circuit and under-voltage faults, they can automatically cut off the circuit. Its function is equivalent to a fuse switch. Combination with overheating and underheating relay, etc. Moreover, it is generally not necessary to change the components after breaking the fault current. It has been widely used. Power distribution is an extremely important link in the generation, transmission and use of electricity. The power distribution system includes transformers and various high and low voltage electrical equipment, and the low voltage circuit breaker is a widely used electrical appliance. The main contacts of the low-voltage circuit breaker are closed manually or electrically. After the main contact is closed, the free trip mechanism locks the main contact in the closed position. The coil of the overcurrent release and the thermal element of the thermal release are connected in series with the main circuit, and the coil of the undervoltage release is connected in parallel with the power supply. When the circuit is short-circuited or severely overloaded, the armature of the overcurrent release is pulled in to make the free release mechanism act, and the main contact disconnects the main circuit. When the circuit is overloaded, the thermal element of the thermal release will heat up and bend the bimetal, pushing the free release mechanism to act. When the circuit is undervoltage, the armature of the undervoltage release is released. Also actuate the free trip mechanism. The shunt release is used for remote control. During normal operation, its coil is powered off. When distance control is required, press the start button to energize the coil.Key FeaturesBrandName：TOMZN Type：Mini is_customized：Yes ModelNumber：DZ47-63 Standard：IEC60947,IEC60898 Ratedcurrent：20A Mounting：35mmdinrail BreakingCapacity：4KA CharcteristicCurve：DTypeWhat's In the Box1×circuit breaker