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safety Interlock Switches

Solenoid safety interlock switches are used to restrict access to a hazardous location until an external control circuit allows the key attached to the access door to be removed from the switch.

With over 15 years of experience, Rendertech is a leading worldwide supplier of solenoid interlock switch and other safety products. Whether your needs are enterprise-wide or at a small scale, we offer an extensive range of services that provide you with the most satisfying experience.

Safety first


Your safety is our top priority. We have invested in extensive research and development to offer the best solenoid switch with unmatched quality and durability. That's why we offer lifetime warranty on all our products! Take peace of mind knowing you can contact us 24/7 for help when you need it.



Latest technology at an affordable price

It is our mission to be the industry's most trusted supplier of solenoid door switches and other safety devices. That's why we invest in the latest technologies so that our customers can be up-to-date with the best standards in their industry at the most affordable price points.



Solenoid Interlock Switches

Solenoid Interlock Switches are electromechanical switches that work on the principle of electromagnetic induction. They are used to ensure the safety of mechanical devices through a solenoid and a simple contactor, which is an electrical switch that opens and closes with a set current.

These are very useful in controlling equipment like air compressors and fire extinguisher systems. They are designed to operate on a DC power source and come with a variety of operating modes for different uses.

Mechanical switches are necessary for a variety of industrial and home uses. They can be used in a variety of operating modes to suit the user's needs. That can be used on demand, or those that can be repeatedly pressed over time to cycle through multiple available modes.


Solenoid Interlock Door Switch

A solenoid is a coil of wire that is wrapped around an iron core and then enclosed in a protective metal shell. When an electric current is sent through the coil, the magnetic field around the solenoid pulls on the metal shell and pushes it open.

We discuss how to use a solenoid interlock door switch for safety purposes. A solenoid interlock door switch has two coils: one on the outside of a door and one on its inside. When both coils are activated by an electric current, they push against each other and hold the door closed, but when only one coil is activated, they repel each other and allow the door to be opened.



Solenoid Interlock Key

A solenoid interlock key is a device that locks and unlocks a solenoid. There are various types of keys depending on the type of solenoid they work with.

  • Type 1: The key is inserted into the keyway in the solenoid, it then rotates, and moves a lever that unlocks the solenoid. This type is usually used for electromagnetic or electrohydraulic locks.
  • Type 2: The key inserts into the lock body, which then rotates and moves an armature to unlock the solenoid. This type of key is usually used for mechanical locks.
  • Type 3: The key inserts into a hole on top of the lock body and pushes against an armature to unlock it.


Safety Interlock Switches

Safety interlock switches are a type of safety device that is used to prevent potentially hazardous situations from happening. These devices can be used in various industries such as food processing, chemical manufacturing, and paper processing.

The purpose of a safety interlock switches is to keep a machine from operating if the operator leaves the area where he or she is required to be for safe operation of the machine.

Safety interlock switches are common in industries such as food processing, pharmaceuticals, and chemical processing among others.