Screw Terminals Slide Switches

Last Updated: April 1, 2025

Description

Screw terminals slide switches are a type of electrical switch that allows for the connection and disconnection of electrical circuits. They feature a sliding mechanism that moves to open or close the circuit, and they utilize screw terminals for securing the electrical connections. These terminals use a metal screw to clamp a wire, providing a mechanically solid connection.

Working Principle

Screw terminals slide switches operate by moving a slider along a track to connect or disconnect electrical contacts. The screw terminals provide a secure and reliable connection by clamping the wire with a screw, which can accommodate a wide range of wire types and diameters. This type of connection is particularly useful in environments where vibration might otherwise loosen other types of connections, such as blade terminals. The sliding mechanism allows for easy manual operation, making these switches useful for applications requiring simple on/off control.

Applications

Screw terminals slide switches are commonly used in applications where a secure and reliable connection is necessary. They are often found in industrial settings, such as machinery control panels, where they can be used to switch between different power sources or control inputs. They are also used in commercial vehicles, where the vibration resistance of screw terminals is advantageous.

Advantages over other Slide Switches

One of the primary advantages of screw terminals slide switches over other types of slide switches is their ability to maintain a secure connection in environments subject to vibration. Unlike blade terminals, which can become loose, screw terminals provide a more stable connection. This makes them particularly suitable for use in vehicles and industrial machinery.

Limitations

A limitation of screw terminals slide switches is the potential for wire breakage if the screws are overtightened. This requires careful installation to ensure that the connection is secure without damaging the wires. Additionally, the installation process for screw terminals can be more time-consuming compared to other terminal types, such as quick-connect terminals.

Considerations

When considering screw terminals slide switches, it is important to evaluate the initial costs, which may be higher due to the need for more robust materials and construction. Operating expenses are generally low, as these switches are durable and require minimal maintenance. However, the installation process can be more labor-intensive, potentially increasing initial setup costs. Durability is a significant advantage, as the secure connection provided by screw terminals can withstand harsh conditions, reducing the need for frequent replacements.

5 Results
Slide Switches -- 4008-SQR31103BK-ND [SQR31103BK from Schneider Electric]
from DigiKey

SWITCH SLIDE SPST 2.5A 120V [See More]

  • Terminal Type: Screw Terminals
  • Pole & Throw Specifications: Single Pole, Single Throw (SPST)
  • Actuator Type: Flush Handle
  • Current Rating: 2.5
Slide Switches -- 4008-SQR31103GY-ND [SQR31103GY from Schneider Electric]
from DigiKey

SWITCH SLIDE SPST 2.5A 120V [See More]

  • Terminal Type: Screw Terminals
  • Pole & Throw Specifications: Single Pole, Single Throw (SPST)
  • Actuator Type: Flush Handle
  • Current Rating: 2.5
Slide Switches -- 4008-SQR31103LA-ND [SQR31103LA from Schneider Electric]
from DigiKey

SWITCH SLIDE SPST 2.5A 120V [See More]

  • Terminal Type: Screw Terminals
  • Pole & Throw Specifications: Single Pole, Single Throw (SPST)
  • Actuator Type: Flush Handle
  • Current Rating: 2.5
Slide Switches -- 4008-SQR31103WH-ND [SQR31103WH from Schneider Electric]
from DigiKey

SWITCH SLIDE SPST 2.5A 120V [See More]

  • Terminal Type: Screw Terminals
  • Pole & Throw Specifications: Single Pole, Single Throw (SPST)
  • Actuator Type: Flush Handle
  • Current Rating: 2.5
Switches - Slide Switches -- ES215N10-Z [ES215N10-Z from Nidec America Corporation]
from Acme Chip Technology Co., Limited

SWITCH SLIDE DPDT 15A 125V [See More]

  • Terminal Type: Screw Terminals
  • Momentary Switch Function: Other Momentary Contact; On-On
  • Maintained Switch Function: ON / ON (Low / High)
  • Pole & Throw Specifications: Double Pole, Double Throw (DPDT); DPDT