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Lockable for various types of circuit breakers
suitable for circuit breakers with a handle thickness of 11mm or less.
Made of engineering plastic PA6 and Aluminum alloy
No tools required, easy to install, with built-in knob screws
- MD31
- MRS
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- Product Description
Overview
1、Lockable for various types of circuit breakers
2、suitable for circuit breakers with a handle thickness of 11mm or less.
3、Made of engineering plastic PA6 and Aluminum alloy
4、No tools required, easy to install, with built-in knob screws
Product Description
Product Name | Circuit Breaker Lockout |
Product Code | MD31 |
Material | The external foldable part is made of PA6 material, which can withstand temperatures between -20 ° C and 120 ° C. The PA material lock body is impact resistant, UV resistant, corrosion resistant, heat resistant, low temperature resistant, durable, lightweight, and non conductive. |
The internal lock body is made of aluminum alloy material, which is lightweight, high-strength, corrosion-resistant, and easy to use and maintain. | |
Color | The default color is red |
illustrate | No tools required, with built-in knob screws |
Application | Lockable for various types of circuit breakers, suitable for circuit breakers with a handle thickness of 11mm or less |
Customizable | If the quantity is large, other colors can be customized. The lock body can be laser printed or customized with a logo. |
advice | It is recommended to use it together with the padlock and safety sign to achieve energy isolation and locking purposes, and to prevent misoperation. |
service | OEM&Sample is available |
Delivery Time | To be discussed |
Application field of safety lockout
Safety locks are widely used in various transportation, light industry, and building materials; Metallurgy and non-ferrous metals; Food, manufacturing, papermaking; Petroleum and chemical industry; Energy, electricity, and other fields.
Application scope of safety lockout
Applicable to:
Power switch: mainly including electrical switch circuit breakers, switch buttons, etc;
Air source switch: mainly including engine and pressure vessel, etc;
Pipeline valves: mainly including pipelines and storage tanks, gate valves, ball valves, etc;
Places that require warning, such as corrosive chemicals, storage tanks, oil drums, etc;
Other areas that require permission management, such as tool cabinet management, gas tank management, warehouse management, mobile device management, etc.
About Us
Company Profile
Work Shop
Certifications
FAQ
Overview
1、Lockable for various types of circuit breakers
2、suitable for circuit breakers with a handle thickness of 11mm or less.
3、Made of engineering plastic PA6 and Aluminum alloy
4、No tools required, easy to install, with built-in knob screws
Product Description
Product Name | Circuit Breaker Lockout |
Product Code | MD31 |
Material | The external foldable part is made of PA6 material, which can withstand temperatures between -20 ° C and 120 ° C. The PA material lock body is impact resistant, UV resistant, corrosion resistant, heat resistant, low temperature resistant, durable, lightweight, and non conductive. |
The internal lock body is made of aluminum alloy material, which is lightweight, high-strength, corrosion-resistant, and easy to use and maintain. | |
Color | The default color is red |
illustrate | No tools required, with built-in knob screws |
Application | Lockable for various types of circuit breakers, suitable for circuit breakers with a handle thickness of 11mm or less |
Customizable | If the quantity is large, other colors can be customized. The lock body can be laser printed or customized with a logo. |
advice | It is recommended to use it together with the padlock and safety sign to achieve energy isolation and locking purposes, and to prevent misoperation. |
service | OEM&Sample is available |
Delivery Time | To be discussed |
Application field of safety lockout
Safety locks are widely used in various transportation, light industry, and building materials; Metallurgy and non-ferrous metals; Food, manufacturing, papermaking; Petroleum and chemical industry; Energy, electricity, and other fields.
Application scope of safety lockout
Applicable to:
Power switch: mainly including electrical switch circuit breakers, switch buttons, etc;
Air source switch: mainly including engine and pressure vessel, etc;
Pipeline valves: mainly including pipelines and storage tanks, gate valves, ball valves, etc;
Places that require warning, such as corrosive chemicals, storage tanks, oil drums, etc;
Other areas that require permission management, such as tool cabinet management, gas tank management, warehouse management, mobile device management, etc.
About Us
Company Profile
Work Shop
Certifications
FAQ
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FAQs
What is MCB lockout? ›
The Lockout Safety Miniature Circuit Breaker Lockout has been designed to lockout miniature circuit breakers and therefore prevent accidental switch on. Universal Miniature Circuit Breaker Lockout Device locks out most miniature ISO/DIN pin-out circuit breakers throughout the world.
What is the code for miniature circuit breaker? ›HS Code 85362030 | Harmonized System Code Miniature Circuit Breakers.
Why does my circuit breaker have a lock? ›Circuit breaker locks are installed to prevent the accidental or deliberate switching off of certain electrical circuits.
How do you fix a tripped MCB? ›How Do You Reset a Tripped Circuit Breaker? To reset your circuit breaker, turn off the breaker by moving the switch or handle to the “off” position. Then, turn it back on. For safety, it's a good idea to stand back from, or to the side of, the panel, just in case any sparks come from the breaker when it's moved.
Does MCB automatically switch off? ›MCB stands for miniature circuit breaker and works on the principle of magnetic effect of current. MCB automatically switches off the electrical circuit during any abnormal condition that results into an excess current in the circuit e.g overload, short-circuit, improper connection etc.
How do I know if my MCB is tripped? ›i.
To find out if the MCB is damaged, turn off all devices and switches, unplug everything, and reset the MCB. Then put on each appliance one by one until it trips again. If the MCB trips after you turn on a certain appliance, it means that the appliance is faulty.
Different MCB Types Explained
However, the three key versions are type B, type C, and type D. Each is designed to be responsive to the likely strength of electrical surges in different settings.
What is the difference between MCB and circuit breakers? Circuit breakers have a tripping relay mechanism, while MCB has a tripping release mechanism. Circuit breakers have a high rupturing capacity, but the MCB has a low rupturing capacity.
Is there a fuse in MCB? ›An MCB is a form of fuse (protective device) which overcomes the traditional problem associated with fuses in so much as when one blows it does not need to be replaced as a fuse does or in older fuses, the wire does not need replacing.
Why is my circuit breaker not tripped but no power? ›A circuit breaker can fail without tripping and is an indication it needs to be replaced. It can also mean there are wiring issues with the circuit itself, such as exposed/loose wiring, overheating, and unregulated voltage.
How long does it take a circuit breaker to reset? ›
In most cases, it takes just a few minutes to do. As long as there are no ongoing causes, an intermittent circuit breaker trip can be fixed in just a few minutes.
What is the main cause of MCB tripping? ›Circuit overloading is known to be the most common reason for circuit breaker tripping. It simply means that we're running too many heavy power-consuming devices at the same time on the same circuit. The next most dangerous cause is a short circuit.
Why can't I flip my circuit breaker back on? ›If the breaker trips again you may have a short circuit or overloaded circuit, which will need to be checked out by a local licensed residential electrician. A circuit breaker that refuses to reset even after being turn to the 'off' position and back on may be broken and will need to be replaced.
Why does my MCB keep tripping without anything plugged in? ›If the breaker trips immediately upon resetting, even with nothing plugged in or turned on, it's likely something in your home's wiring causing the problem. This could be a loose connection at a receptacle or other device, or something more complicated, like worn insulation within your walls.
What is the average life of an MCB? ›The average lifespan of a circuit breaker is about 30 to 40 years. However, this doesn't mean you shouldn't check your breakers every once in a while. There are several signs to watch out for that can help you get ahead of a broken or outdated circuit breaker. How do you know if a circuit breaker needs to be replaced?
Is MCB a fuse or switch? ›MCBs are switches that turn off automatically when there is an overload or a short circuit. After solving the problem in the circuit, the switch can be turned back on, and then the current flows as usual. MCB has several advantages over fuse: MCB is more sensitive to current than fuse.
Which type of MCB resets automatically? ›Type I Circuit Breakers – Automatic Reset, which means the circuit breaker keeps cycling on and off until the overload is removed.
Why is MCB not on? ›First Way to Check for Faulty MCB – Process of Elimination
Turn off all devices and appliances in the circuit and unplug all chargers and appliances. Reset or Switch MCB on. Now, switch on your devices and appliances one by one. The faulty appliance will trip the MCB.
How Many Times Does a Circuit Breaker Trip Before It Requires Replacement? According to UL 489 regulations, the Miniature Circuit Breaker (MCB) or the typical circuit breaker in most homes and commercial electrical systems can last up to 10,000 operations.
Can MCB go bad? ›The simple answer is that, YES, circuit breakers can go bad, so your suspicions may be well-founded. Just like any other essential device in your home (e.g. your water heater, HVAC system, etc.), circuit breakers can quit working properly.
How do I know if my mini breaker is bad? ›
- Burning Smell.
- Hot Breakers.
- Breaker Trips Frequently.
- Worn-out or Old Breaker.
- Visibly Damaged Circuit Breaker.
- Breaker Doesn't Remain Reset.
- Power Surge.
- Overloaded Circuit.
It is safe to reset a breaker only if it has been determined that the circuit was overloaded. Repeatedly resetting a breaker could result in an arc flash or a fire. If the cause is due to a short-circuit or a ground fault, a qualified electrician must be notified to investigate the problem.
What is the difference between B and C type MCB? ›B Curve means the MCB trips between 3-5 times full load current. It is mainly used in residential applications where loads are resistive e.g. lighting fixtures, domestic appliances with low surge Levels. C Curve means the MCB trips between 5-10 times full load current.
What is the difference between Type a and B MCB? ›Firstly, Type A trips off the circuit when the current exceeds 2-3 times the actual current rating. Since this type is highly sensitive to short circuit, it is better suited for semiconductor devices. Next, type B, which trips off when the current flow is 3-5 times the actual flow and finds a use for cable protection.
What is the difference between fuse and miniature circuit breaker? ›...
| Working Principle | Fuse works on the electrical and thermal properties of the conducting materials. | Circuit breaker works on the Electromagnetism and switching principle. |
| Reusability | Fuses can be used only once. | Circuit breakers can be used a number of times. |
They safeguard electrical power distribution of up to 1000 Volts AC and 1500 Volts DC, with rated currents ranging from 0,5 to 6300A. Air circuit breakers (ACBs), molded case circuit breakers (MCCBs), and mini circuit breakers are all often used in utilities and manufacturing facilities.
How many types of miniature circuit breakers are there? ›Types of Miniature Circuit Breaker
MCB trip curve decides the type of MCB that must be used for different appliances or devices. There are 6 types of MCBs, they are: A Type. B Type.
MCB (Miniature Circuit Breakers) can be used to replace a fuse in the domestic electric circuit. No worries!
How does MCB trip work? ›An MCB works by detecting the current flowing through an electrical circuit. If the current exceeds the maximum level set for the MCB, it will automatically trip and interrupt the circuit.
What does a lockout switch do? ›Switch Lockouts lock switches in the "on" or "off" positions, preventing unwanted energization. Switch lockouts are applicable to electrical panels, vehicles, wall switches, and more.
What is the function of lockout switches? ›
The purpose of the lockout relay is to keep the compressor off when there is a significant fault, EVEN if the fault condition goes back to normal. For example, if a high-pressure switch opens, the lockout relay can keep the system off, even once that switch closes again.
How many keys should a lockout lock have? ›Each lock should only have one key (no master keys are allowed). All keys must be removed from locks and kept with the person who applied the lock. There should be as many locks on the system as there are people working on it.
How do I know if my MCB is bad? ›- Burning Smell.
- Hot Breakers.
- Breaker Trips Frequently.
- Worn-out or Old Breaker.
- Visibly Damaged Circuit Breaker.
- Breaker Doesn't Remain Reset.
- Power Surge.
- Overloaded Circuit.
MCB (Miniature Circuit Breaker)
MCBs are electromechanical devices which are used to protect an electrical circuit from an overcurrent. It can be reclosed without any hand-operated restoration. MCB is used as an option to the fuse switch in most of the circuits.
According to OSHA, lockout/tagout (LOTO) protocols are “specific practices and procedures to safeguard employees from the unexpected energization or startup of machinery and equipment, or the release of hazardous energy during service or maintenance activities.” In this column, we'll provide a high-level overview of ...
What is a key lock switch? ›A keylock switch is a type of rotary switch that has the added security of a key. The key can turn to a single position or have multiple positions. Types of keylock switches include disk tumblers, pin tumblers, wafer tumblers, tubular locks, warded locks, as well as double- and single-sided keys.
What is a push button lockout? ›Push-button lockout devices cover equipment control buttons to prevent equipment from being started during servicing. A hard-sided lockout fits around or over the button so it can't be pressed.
Why do we need lockouts? ›Lockout/Tagout is required when the unexpected energization or start up (or release of stored energy ) of machines, equipment or prime movers could injure workers during cleaning, repairing, servicing, setting-up, adjusting and un-jamming.
How is the lockout relay reset? ›Lock-out-relays are normally latched in the RESET position and trip-out to a TRIP position when commanded. There are then manual-reset, electric-reset, and self- reset versions to get back to the RESET position. High-speed, rugged, multi-contact units are needed.