Three Position Momentary (Center ON) Rocker Switches
Last Updated: April 1, 2025
Description
Three Position Momentary (Center ON) Rocker Switches are electrical switches that feature three distinct positions. The center position is typically an "ON" state, while the other two positions may serve different functions, such as additional "ON" states or "OFF" states. These switches are designed to return to the center "ON" position when released, providing a momentary connection.
Working Principle
Three Position Momentary (Center ON) Rocker Switches operate by allowing the user to toggle between three positions, with the center position being momentarily active. When the switch is actuated to either side, it temporarily changes the circuit state, but returns to the center "ON" position once released. This momentary action is useful for applications requiring temporary activation, such as controlling motors or other devices that need brief power application.
Applications
These switches are commonly used in applications where temporary activation is needed. For example, they can be found in automotive systems for controlling power windows or sunroofs, where the switch needs to return to a neutral position after being pressed. They are also used in industrial machinery for operations that require momentary engagement, such as starting or stopping a motor.
Advantages over other Rocker Switches
Three Position Momentary (Center ON) Rocker Switches offer the advantage of automatic return to the center position, which can enhance safety and prevent accidental prolonged activation. This feature is particularly beneficial in applications where maintaining a constant "ON" state could lead to equipment damage or safety hazards.
Limitations
One limitation of these switches is that they may not be suitable for applications requiring a maintained "ON" state, as they are designed to return to the center position. Additionally, the mechanical complexity of the momentary action can lead to increased wear and tear compared to simpler switch designs.
Considerations
When selecting Three Position Momentary (Center ON) Rocker Switches, it is important to consider factors such as initial costs, which may be higher due to their more complex design. Operating expenses can also be affected by the need for more frequent maintenance or replacement due to mechanical wear. Durability and accuracy are crucial, especially in applications where precise control is necessary. Replacement and maintenance costs should be evaluated in the context of the switch's expected lifespan and the critical nature of its application.
from DigiKey
Rocker Switch SP3T 5A (AC/DC) 120V Panel Mount, Snap-In [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Switch Function: Momentary
- Rocker Actuator: Paddle
- Length / Diameter: 0.6000
from DigiKey
Rocker Switch SP3T 6A (AC), 3A (DC) 125V Panel Mount, Snap-In [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Switch Function: Momentary
- Rocker Actuator: Paddle
- Length / Diameter: 0.6260
from DigiKey
SWITCH ROCKER MINIATURE PC MNT [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Pole & Throw Specifications: SP3T
- Switch Function: Momentary
- Mechanical Life: 50000
from DigiKey
SWITCH ROCKER MINI PC MOUNT [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Pole & Throw Specifications: SP3T
- Switch Function: Momentary
- Current Rating: 0.4000
from DigiKey
Rocker Switch [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Length / Diameter: 1.73
- Switch Function: Momentary
- Width: 0.8669
from DigiKey
Rocker Switch DPDT 10A (AC) 125V Panel Mount, Flange [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Length / Diameter: 1.51
- Switch Function: Momentary
- Width: 0.9409
from DigiKey
Rocker Switch 4PDT 100mA (AC/DC) 125V Panel Mount, Snap-In [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Length / Diameter: 1.14
- Switch Function: Momentary
- Width: 0.7500
from DigiKey
Rocker Switch 4PDT 10A (AC) 125V Panel Mount, Flange [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Pole & Throw Specifications: 4PDT
- Switch Function: Momentary
- Current Rating: 10
from DigiKey
Rocker Switch DP3T 1A (DC) Panel Mount, Threaded Body with Nut [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Length / Diameter: 0.7953
- Switch Function: Momentary
- Pole & Throw Specifications: DP3T
from DigiKey
Rocker Switch DP3T 1A (DC) Panel Mount, Threaded Body with Nut [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Length / Diameter: 0.7953
- Switch Function: Momentary
- Pole & Throw Specifications: DP3T
from DigiKey
Rocker Switch SP3T 5A (AC/DC) 120V Panel Mount, Snap-In [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Length / Diameter: 0.6000
- Switch Function: Momentary
- Width: 0.5000
from DigiKey
Rocker Switch SP3T 6A (AC), 3A (DC) 125V Panel Mount, Flange [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Pole & Throw Specifications: SP3T
- Switch Function: Momentary
- Mechanical Life: 50000
from DigiKey
Rocker Switch SP3T 0.4VA (AC/DC) 28V Through Hole [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Switch Function: Momentary
- Rocker Actuator: Paddle
- Pole & Throw Specifications: SP3T
from DigiKey
Rocker Switch SP3T 0.4VA (AC/DC) 28V Through Hole [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON)
- Pole & Throw Specifications: SP3T
- Switch Function: Momentary
- Mechanical Life: 50000
from Acme Chip Technology Co., Limited
SWITCH ROCKER DPDT 10A 125V [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON); Mom-On-Mom
- Switch Function: Momentary
- Rocker Actuator: Actuator Arm, Cap Required
- Pole & Throw Specifications: Double Pole, Double Throw; DPDT
from Acme Chip Technology Co., Limited
SWITCH ROCKER 4PDT 10A 125V [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON); Mom-On-Mom
- Switch Function: Momentary
- Rocker Actuator: Concave (Curved)
- Pole & Throw Specifications: 4PDT
from Acme Chip Technology Co., Limited
SWITCH ROCKER SP3T 7.5A 125V [See More]
- Momentary Contact Switch Function: Three Position Momentary (Center ON); Mom-On-Mom
- Switch Function: Momentary
- Rocker Actuator: Paddle; Paddle
- Pole & Throw Specifications: SP3T