Brochure

Table Of Contents

Features

• Wide regulating range

• Small dimensions

⁃ Space-saving, easy to install in panels

• Shock and impact resistant

• Ultra-short bounce time. Limits wear to an absolute minimum and increases reliability

• Snap action electrical contacts minimize chatter, bounce, and wear, and ensure long term electrical and

mechanical reliability

• Electrical connection from front of the unit. Makes rack mounting easier and also saves space

• Suitable for alternating current and direct current

• Screwed wiring, makes rewiring easy

• Manual trip allows electrical function test without tools

• Versions with automatic and manual reset available

Functions

Pressure switches

Table 1: Design and function

Key sketch of KP pressure switch

Simplied drawing of KP pressure switch without front cover and scale.

Version with manual reset.

Range setting spindle

Dierential setting spindle

Main arm

Main spring

Dierential spring

Bellows

Pressure connector

Contact system

Switch terminals

Ground terminal

Cable entry: ½ in female NPSM

Tumbler

Locking screw

Manual reset

Distance plate

The contact system of KP switches has a snap-action function and the bellows moves only when cut-in or cut-out

set point is reached.

The design has the following advantages:

• higher contact load

• ultra short bounce time

• long mechanical and electrical lifetime

• high resistance to vibrations and pulsations

Pressure switches and thermostats, Type KP