Φ4mm The world's smallest
Ball Plunger Switch

Hi, I'm Ayaka Saito who works in Marketing department at Metrol.
I would like to introduce the world's smallest switch "Ball Plunger Switch [BP]".

Able to provide identifying and positioning functions using notches on index rotating or sliding objects as well as output a confirmation signal.

Let's check the application and specification !

[Applications]
The precision switch included in a ball plunger miniaturizes the equipment


▼ 　▼　 ▼

Starting in 2017, Metrol Switch is available on Metrol's Direct sales site.

BP4SWA (Normally open type)
φ4mm type
7200 JPY

BP5MWA (Normally open type)
M5 type
6750JPY

[History of Development]
A Positioning Switch built into the Ball Plunger

Every engineer who picks up the ball plunger switch [BP4S] wants to know "Will it really work?" That's how incredibly compact it is.

This stunner performs two roles in one, with a precision positioning switch incorporated in a ball plunger. The BP series features original Metrol products in which reduced part numbers allow machine miniaturizing.

MORE >

For further information, please contact:

Ayaka Saito (Ms.)

METROL CO., LTD.
Marketing Dept.

Quote Request > www.metrol.co.jp/ec/quote

About METROL

Founded in 1976, METROL specializes in manufacturing ultra-high precision position switches.

While most industrial sensors are electrical, METROL has developed "precision mechanical sensors", unlike any other in the world.
Our ultra-precision switches can work at high accuracy even under harsh working conditions.

We have been dedicated to assisting manufacturers improve machine accuracy and reduce costs.
Our products are now used in not only the longstanding automobile and machine tool industries, but also by leading companies in the semiconductor, robot, medical equipment and smartphone industries.

Our unique and distinct product development supports manufacturing across the world.

MORE >

Corporate site ｜ Direct sales site for Switches ｜ Spare parts site for Tool Setters