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targi kat

The International Fair of Mining,

Power Industry and Metallurgy

KATOWICE 2017

29.08 - 01.09 2017 

   

 KOD

ZPU "PEGRAL" pLc

 

 

str. Huta Rozalii 22
41-400 Myslowice

Phone+48 32 316 40 34
Phone/fax. +48 32 225 96 32

e-mail:  This e-mail address is being protected from spambots. You need JavaScript enabled to view it.

 

 

map

 Driving directions

 

IWA-xE

Intrinsically safe emergency IWA-E can be used in underground mines, in areas without hazardous areas "and" as well as in areas with the "b" or "c" methane explosion hazard and Class A and B coal dust explosion hazard.

Intrinsically safe emergency switch type IWA-E version IWA-xE (3 changeover contacts) are produced in the following versions:

IWA-1E - equipped with PG cable glands 16 arranged in the side walls, allowing supply cables with an outer diameter up to 14 mm

IWA-2E - equipped with culverts in the top wall to connect to a handsfree device

IWA-3E - equipped with PG cable glands 21 placed in the bottom wall to allow supply cables with an outer diameter of 18 mm.

Intrinsically safe emergency switch type IWA-E version IWA-XER (4 changeover contacts) are produced in the following versions:

• IWA-1ER - equipped with PG cable glands 16 arranged in the side walls, allowing supply cables with an outer diameter up to 14 mm and an additional fourth microswitch

IWA-2ER - equipped with culverts in the top wall to connect to a handsfree device and an additional fourth microswitch

IWA-3ER - equipped with PG cable glands 21 placed in the bottom wall to allow supply cables with an outer diameter of 18 mm and an additional fourth microswitch

 

Construction

 

Housing switches has a cuboid shape and is made of plastic -poliamidu, tinted blue. The interior of the housing is divided into two chambers. In the back tension free chamber is placed locking mechanism and unlock switch, filled with special grease. Inside the chamber's front mounting plate with three or four microswitches unstable with change-over contacts and one micro unstable with normally open and a 14- assembly line.
On the outside of the enclosure are derived:

 

 

right and left tie locking mechanism

 unlock knob

 button to transmit the signal can speak

 cable glands

 

Switches are designed to be attached by screws 10 to the structure M of the conveyor or another.

 

Card catalog  en