MDA-2-R Circuit Protection

Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
DC Cold Resistance:	0.17 Ohms
Size / Dimension:	0.250" Dia x 1.250" L (6.35mm x 31.75mm)
Color:	--
Operating Temperature:	--
Approvals:	CE, CSA, UL
Melting I²t:	70.4
Breaking Capacity @ Rated Voltage:	100A
Mounting Type:	Holder
Series:	MDA
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	2A
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction:

MDA-2-R, also known as master disconnect assembly, is a type of industrial safety device used to cut power to prevent electric shock or other related injuries. It is one of the most popular safety devices used in various industrial and commercial applications. The MDA-2-R provides a complete isolation and safe disconnection of the equipment. It has a wide application field and working principles that make it a trustworthy and reliable safety device.

Application Field

MDA-2-R is a suitable safety device to use in a variety of applications. It can be used in any type of electric equipment such as production lines, machinery, office equipment, emergency lighting systems, UPS systems, HVAC systems, and more. It is also ideal for hazardous areas that are prone to hazards such as openings, fire, or explosion. This safety device is also suitable for use in locations where it is necessary to cut off power quickly. Some of the most common applications include welding operations, medical circuit breakers, and emergency stop buttons.

Working Principle

The MDA-2-R works by using two switches that are connected in series. The first switch is the master switch, while the second is the disconnect switch. This safety device is designed to disconnect the power when the circuit becomes unexpectedly overloaded or uninterrupted. The master switch is linked to a warning alarm and the disconnect switch is in a direct line with the control panel. When the main switch senses an overload or an interruption, the alarm will sound, informing personnel to either take precautionary measures or shut off the power altogether. The main switch will then open the circuit by turning off the master switch. The disconnect switch will then reset the circuit and when it is reactivated, the circuit will be restored.

Advantages of the MDA-2-R

The MDA-2-R is a safe and reliable safety device that offers several advantages including: - Protection against electric shocks since it isolates the power supply. - Easy to install and maintain since it can be mounted on a wall or in a control box. - Versatile and reliable since it is suitable for use in a wide variety of applications and hazardous areas. - Reliable warning alarms that sound to alert personnel of a potential hazard. - Cost effective since it is designed for long life use and is relatively inexpensive.

Conclusion

The MDA-2-R is a safe and reliable safety device that is suitable for a variety of applications. It can be used in a range of industrial and commercial settings and provides protection against electric shocks. The MDA-2-R is easy to install, maintain and is cost-effective. It is also designed to provide a warning alarm when an overload or interruption is sensed, ensuring that personnel are alerted in time to take the necessary measures.

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