Kontakt-Simon Simon TW1K.01/149 Key-Operated Single-Pole Switch Module, 2-Position 0-I, N/O Contact, 5A 250V, Matte Black

The Kontakt-Simon TW1K.01/149 is a professional-grade key-operated single-pole switch module designed to provide secure electrical control in various environments. This 2-position 0-I switch features a normally open (N/O) contact mechanism, ensuring that the circuit remains open until the key is turned to the active position. Finished in an elegant matte black, this module integrates seamlessly into modern interior designs while offering a robust solution for restricted access control.

Advantages

The primary advantage of this switch is the enhanced security provided by the key-operated mechanism, which prevents unauthorized individuals from operating the connected equipment or lighting. Its compact design allows for easy installation within standard electrical boxes, and the high-quality construction ensures reliable performance over many switching cycles. The matte black finish is resistant to fingerprints and glare, making it a practical choice for both residential and commercial settings where aesthetics and functionality are equally important.

Suitable for

• Restricted access lighting control
• Securing industrial machinery power
• Restricted operation of ventilation systems
• Access control for public building facilities

When it may not be suitable

This switch is not suitable for high-power applications exceeding its 5A current rating, as this could lead to overheating or damage to the internal contacts. It is also not intended for outdoor use unless installed in a specialized enclosure that provides the necessary ingress protection against moisture and dust.

Key specifications

• Switch type: Single-pole, key-operated
• Positions: 2-position (0-I)
• Contact type: Normally Open (N/O)
• Rated current: 5A
• Rated voltage: 250V
• Color: Matte black

How to use

To operate the switch, insert the provided key into the cylinder and rotate it to the 'I' position to close the circuit and activate the connected device. To deactivate, rotate the key back to the '0' position. The key can typically be removed in the '0' position to ensure the switch remains locked in the off state, preventing accidental or unauthorized activation.

What to consider before purchase

• Ensure the electrical load does not exceed 5A
• Verify compatibility with your existing frame or cover plate system
• Confirm that the installation location is suitable for an indoor-rated device

Usage recommendations

Always ensure that the power supply is disconnected at the main circuit breaker before attempting to install or wire this module. If you are not experienced with electrical installations, it is highly recommended to consult a qualified electrician to ensure safety and compliance with local building codes.