B28A1P

Illumination Type, Color:	--
Electrical Life:	50,000 Cycles
Actuator Material:	Brass, Nickel Plated
Operating Temperature:	-30°C ~ 85°C
Features:	Epoxy Sealed Terminals
Ingress Protection:	--
Bushing Thread:	M6 x 0.75
Panel Cutout Dimensions:	Circular - 6.00mm Dia
Termination Style:	PC Pin
Mounting Type:	Panel Mount
Illumination Voltage (Nominal):	--
Series:	B
Illumination:	Non-Illuminated
Actuator Length:	8.00mm
Actuator Type:	Standard Round
Voltage Rating - DC:	28V
Voltage Rating - AC:	28V
Current Rating:	0.4VA (AC/DC)
Switch Function:	Mom-Off-Mom
Circuit:	DPDT
Part Status:	Active
Packaging:	Bulk

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Toggle switches, such as the B28A1P model, are designed to provide a manual, mechanical switching mechanism for applications requiring single-pole, single-throw control of an electrical circuit. A toggle switch is a type of switch or electrical connector which allows a user to manually turn a device or circuit on or off. It has a simple mechanical structure and is easy to operate. The B28A1P model comes in a single-pole, double-throw (SPST) configuration with a contact rating of 6A 125VAC. The oval-shaped actuator requires the user to manually press, push or slide it to enable and disable the device.

The B28A1P is tailored for devices requiring a single pole, single throw switching solution, such as LED lighting, LED mood lighting and hoists, and are common in household appliances, such as stand fans and electric ovens. The actuator of the switch also supports an illuminated LED indicator when the connection is established. The contact of the B28A1P is constructed with brass and silver alloy, providing a durable and robust device. In addition, the actuator can be locked in the engaged position, making the switch tamper-proof and suited for installation in harsh environments.

Working Principle: The B28A1P is designed with a simple, yet effective operating mechanism. The switch consists of a lever that when manually pressed, pushed or slid, closes or opens the internal set of contacts, allowing current to flow or not. As the lever is pressed or slid downwards, before securing the switch in the engaged position, the contacts are closed, allowing current to flow. When the lever is in the engaged position, the contacts remain closed and current continue to flow. When the lever is pushed or opens to its original place, the internal contacts of the switch open, disabling the circuit and preventing current from flowing.

The construction of the switch is designed in such a way that, when the contact is closed, a small but stable arc is formed on the silver contact disk, quickly wear off the unevenness of it and keep its surface smooth. The contact has a specific spring-loaded design, providing a large insertion force to ensure reliable contact establishment. The switch also comes with a dust cover to protect the internal mechanism and structure of the switch from any external contaminants such as dust and dirt.

The switch is designed for single supply operation (AC) and rated for a voltage of 125V AC. The B28A1P is also available in several colors, including black, white, gray, blue and red. The switch is well suited for use in damp locations as it is UL-approved and UL1054 rated. It has an insulation resistance of up to 500V, and is specifically designed for low-voltage applications.

The B28A1P toggle switch has a wide range of applications and can used in applications such as household devices, hoists, marine electronics, machines and more. The switch is also a popular choice for projects and repairs due to its simple operation, robust design and cost-effectiveness. It is well suited for the majority of DC and AC applications in both residential and industrial settings.

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Part Number	Manufacturer	Price	Quantity	Description