ATEX PB 135 Ex Manual Push Button
This ATEX manual call point «push button» is certified for use in explosive atmosphere, zone 1 & 2 for gas and zone 21 & 22 for dust. It’s dedicated for Oil & Gas, chemical, petrochemical, pharmacy industries, marine and Offshore applications.
Description
It’s designed for corrosive environnements and hazardous area.
The apparatus is compatible with PLC, ESD, DCS systems via output 4-20mA.
There are two versions available: push button and push button with key to release.
Housing is moulded Glass-Reinforced Polyester (GRP), dyed in the mass and protected by a paint UV resistant.
TECHNICAL DATA
Marking:
II 2G Ex d IIC + H2 T6 Gb
II 2D Ex tb IIIC T85°C
Certificate: EU-Type Examination Certificate
Operating temperature:
T6: – 40°C to + 55°C
T5: – 40°C to + 60°C
T4: – 40°C to + 70°C
Ambient humidity*: Until 95% with ice if flap option
Housing: Glass fibre reinforced polyester (GRP)
Colour:
RED: RAL 3001
YELLOW**: RAL 1018
BLUE**: RAL 5005
BLACK**: RAL 9005
Rated impulse withstand voltage: 1kV following IEC 61000-4-5
Contact type: 1x C/O
Command type unit: Self reset or key push pull
Conventional thermal courant:
AC 125/250 V (50/60Hz) = 11 A***
30V DC = 6A***
125 VDC = 0,3A***
250 V DC = 0,6A***
Minimum voltage and courant: DC 5V 10mA
Short circuit protection: 10 A gG
Connection: From 22 to 14 AWG – from 0.50 mm² to 2.5 mm²
Weight: 2 kg
Line resistor**: 470 Ohms
Signalling LED**:
Green U= 24V DC I=10mA
Red U=24V DC I= 20mA
Cable entries: 2 x M20, M25**, 1/2” NPT**, 3/4” NPT** or other** (specify) (cable glands not included)
* = without runoff – ** = optional – *** resistive load
