JSN(W)1A Mechanical Five Protection Program LockDetailed product description：

I. Overview
JSN (W) 1 series five proof program lock is a mechanical lock used for high-voltage switchgear. This lock forces operators to operate electrical equipment according to the prescribed safety operating procedures, thereby avoiding accidents caused by misoperation of electrical equipment and achieving the requirements proposed by the power supply department

a. Prevent accidental opening and closing of switches;
b. Prevent the opening and closing of isolation switches with load;
c: Prevent accidental entry into electrified compartments;
d: Prevent the hanging of live grounding wires (closing the grounding knife switch);
e: Prevent the grounding wire (grounding knife switch) from closing;
According to the "five prevention" requirements, this product is an ideal anti misoperation device for high-voltage electrical equipment.
This product only requires one key to operate multiple locks according to the specified circuit, and has the ability to distinguish the opening and closing status of each knife switch, cabinet door, and mechanism. Complies with JB/T8455-1996 "General Technical Conditions for Mechanical Locks for High Voltage Switchgear" of the Ministry of Machinery. Passed the batch trial production review and appraisal organized by the original Ministry of Machinery and Ministry of Water and Electricity.

2、 Scope of use
JSN (W) 1A mechanical five proof program lock is suitable for wiring methods of various voltage levels and various indoor and outdoor power distribution devices.

3、 Ordering Notice
1. The customer provides a main wiring diagram and an electrical equipment installation diagram. Design programs according to user requirements.
2. The customer has a special operating mode, and our company has developed procedures according to the customer's requirements.
3. The guide sleeve of the indoor knife switch lock is M14 × 1.5, and the diameter of the lock bolt is 9mm. If there are other sizes of threaded holes, please explain.