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5. Function
The contact block or/and control units certified for hazardous areas in protection mode Ex d e are robust
materials designed to meet the highest requirements for use especially in the oil and gas, chemical,
pharmaceutical and food.
The contact block are used to switch power circuits, components for control and visualization. The contact
block ZBWE must be installed into a certified enclosure and whose the protection mode is suitable for the
intended ATEX zone. The contact block fitted with head is for example used into enclosure for category
2GD certified Ex e, Ex p, Ex tD, Ex tbD through a hole diameter Ø22,5±0,2 mm and a maximum thickness
of 6mm and having an IP degrees IP54 or IP64 minimum.
Also compatible with use in class 3GD
6. Technical data
6.1. Certificates
Type of certificate
Global (IECEx)
Europe (ATEX)
6.2. Standards accordance
EN / IEC 60079-0
EN / IEC 60079-1
EN / IEC 60079-7
EN / IEC 60079-31
6.3. Marking
Contact block only
Ex d e IIC Gb
Characteristics
6.4.
Type
Push button
Selector with standard handle
Selector with wheel handle
Mushroom push button
Selector with key
Push-push button
Selector with long handle
Push button with silicone boot
Emergency stop turn to release
Emergency stop push-pull
Joystick
Service temperature of non-metallic parts:
Service temperature of contact blocks ZBWE10... ou 11...: -50°C < T°< +75°C
Service life: 1 000 000 operating cycles for contacts.
Storage temperature :
Wiring by screw clamp 2x 1,5 mm ² or 1 x 2.5 mm ² with tip.
Torque : 0,8Nm à 1,2Nm max
ZBW025A12 – Index 08 – 20/05/2015
Certificate Nr. as contact block only
IECEx INE 13.0067U
INERIS 02ATEX9007U
Complet units
Ex e IIC Gb
Ex tb IIIC Db
Head with contact blocks
Metalic
XBW4BA...ou BL...(*) / IP66
XBW4BD...(*) / IP65
XBW4BD...9 (*) / IP66
XBW4BC...(*) / IP65
XBW4BG...(*) / IP66
XBW4BH...(*) / IP66
XBW4BJ...(*) / IP66
XBW4BP...(*) / IP66
XBW4BS... / IP65
XBW4BT... / IP65
Operating instructions
Contact block and control units - ZBWE and XBW series
Certificate Nr. as units
IECEx INE 13.0063U
INERIS 02ATEX9007U
Complet units and contact block
Ex d e IIC Gb
Ex tb IIIC Db
IP IEC60529
Plastic
XBW5AD...(*) / IP66
XBW5AD...9 (*) / IP66
XBW5AC... / IP65
XBW5AG...(*) / IP65
XBW5AJ...(*) / IP66
XBW5AP... / IP65
XBW5AS... / IP65
XDW5PA...(*) / IP66
-20°C < T°< +65°C ou -20°C < T° < +75°C (*)
-50°C ... +70°C
ENG
Rated operational
characteristics
ZBWE...
Ue = 6 à 415 V
Ie = 10A max
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