D2HW-BR261H

Ingress Protection:	IP67 - Dust Tight, Waterproof
Mechanical Life:	1,000,000 Cycles
Electrical Life:	100,000 Cycles
Operating Position:	0.291" (7.4mm)
Operating Temperature:	-40°C ~ 85°C
Overtravel:	0.070" (1.8mm)
Differential Travel:	0.020" (0.5mm)
Pretravel:	--
Release Force:	20gf
Operating Force:	183gf
Features:	Support Posts
Series:	D2HW
Termination Style:	Solder Lug
Mounting Type:	Chassis Mount
Actuator Type:	Lever, Leaf
Voltage Rating - DC:	12V
Voltage Rating - AC:	125V
Current Rating:	100mA (AC), 2A (DC)
Switch Function:	On-Mom
Circuit:	SPDT
Part Status:	Active
Packaging:	Bulk

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Snap Action, Limit Switches – D2HW-BR261H Application Field and Working Principle

Snap action, limit switches are versatile devices used in a variety of settings to detect mechanical position or movement and trigger changes in electrical circuits. The D2HW-BR261H Series of limit switches from Panasonic Electric Works Corporation offer exceptional performance and precision in a reliable package, making them well-suited for a number of applications. While the range of uses for this switch can be wide, this article will deliver an overview of the typical application fields and describe the underlying working principles of the D2HW-BR261H Series.

Application Fields

As previously mentioned, Panasonic Electric Works Corporation’s limit switches are commonly sought out due to their robustness, precision and affordability. These features make the D2HW-BR261H Series an attractive option for use in a variety of settings that require mechanical movement to be detected and produce an electrical trigger as a result.Some of the most common application fields include the food industry and medical device manufacturing, where decisions must be made quickly and accurately. These switches are also frequently used in construction and transport, as well as factory automation and robotics. Their reliability gives D2HW-BR261H Series limit switches a long working life, even with frequent switching.

Working Principle

The underlying working principle of the D2HW-BR261H Series is commonly referred to as a snap action switch. This is when an actuating element, such as a lever arm, is designed with a mechanical stop. When the external force applied to the arm exceeds this stop, the arm will move past it, causing the internal contacts to change from an open state to a closed state or vice versa. This change of contact state results in a change in the circuit status.The snap action design ensures that the switch will open or close quickly, no matter the direction of movement. It also ensures that the switch will have a lengthier working life, as the contacts are not damaged by continuous switching.

Conclusion

The D2HW-BR261H Series of snap action, limit switches offer excellent performance, reliability and value. These switches are suitable for a variety of settings that require mechanical position or movement to be detected. The working principle of the series involves a snap action arm that is designed with a mechanical stop. When this limit is exceeded, the contacts are changed from an open state to a closed state and vice versa, resulting in a changed electrical circuit.

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