B127J21ZG22M

Actuator Marking:	No Marking
Electrical Life:	60,000 Cycles
Mechanical Life:	--
Operating Temperature:	-30°C ~ 85°C
Panel Cutout Dimensions:	Rectangular - 19.20mm x 11.91mm
Features:	Epoxy Sealed Terminals
Ingress Protection:	--
Termination Style:	Solder Lug
Mounting Type:	Panel Mount, Snap-In
Illumination Voltage (Nominal):	--
Illumination Type, Color:	--
Series:	B
Color - Actuator/Cap:	Black
Actuator Type:	Paddle
Voltage Rating - DC:	28V
Voltage Rating - AC:	125V
Current Rating:	6A (AC/DC)
Switch Function:	Mom-Off-Mom
Circuit:	SPDT
Part Status:	Active
Packaging:	Bulk

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Introduction

Rocker switches are control mechanisms used to turn delicate electrical components, such as those involved in the manufacturing process, on and off. The rocker switch is designed so that a user can select either a “low” position, a “high” position or an “off” position. The switch, itself, is usually a small rectangular device located on the side of the electronics panel. Here, we’ll be discussing the particular type of rocker switch that is known as the B127J21ZG22M switch and its application fields and working principle.

Application Field

The B127J21ZG22M switch is primarily used in the medical industry for electronic medical equipment, such as hospital beds, medical carts, and robotic arms. It is also often employed in a variety of industrial applications, including industrial air conditioners, power tools, and automotive equipment. The switch is popular in these fields for its small size, reliable performance and high current carrying ability.

Working Principle

The B127J21ZG22M switch is a single-pole double-throw (SPDT) rocker switch. This means that it can control two independent circuits, each with its own on-off positions. When the user slides the switch up or down, two separate circuits are opened or closed. This allows the user to control two separate devices simultaneously, such as an air conditioner and a fan.The current carrying capacity of the switch is rated at 16 amps. This means that it can safely handle very large currents, which makes it an ideal choice for controlling large, power-hungry devices. It also has a contact rating of 6A/125VAC, meaning that it can carry very small currents as well.The switch also features a contact-free actuator. This is what allows it to be used in applications where it is constantly being adjusted, such as medical equipment or power tools. The lack of “clicking” allows for smooth and consistent use, which is incredibly important in certain precision-demanding applications. Additionally, the lack of contact noise in the switch also makes it ideal for quiet work environments, such as hospitals and operating rooms.

Conclusion

The B127J21ZG22M switch is a versatile and reliable switch, suitable for controlling a wide range of devices in various environments. It is popular in the medical and industrial fields for its robust construction and reliable performance. The switch’s contact-free design makes it an excellent choice for applications where precision and quiet operation are demanded. The B127J21ZG22M also has a very high current carrying capacity and a low contact rating, making it an ideal switch for controlling large and small devices alike.

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