Main
Device short name
XB4
Gas zone
Zone 1 - 2
device mounting
Fixing hole - diameter: 22.5 mm +/- 0.2 mm conforming to EN/IEC 60947-1
[ui] rated insulation voltage
415 V
Complementary
[ie] rated operational current
1.9 A at 380 V, AC, A600 conforming to EN/IEC 60947-5-1
3 A at 240 V, AC, A600 conforming to EN/IEC 60947-5-1
6 A at 120 V, AC, A600 conforming to EN/IEC 60947-5-1
0.27 A at 250 V, DC, Q300 conforming to EN/IEC 60947-5-1
0.55 A at 125 V, DC, Q300 conforming to EN/IEC 60947-5-1
2.87 A at 24 V, DC, Q300 conforming to EN/IEC 60947-5-1
[ith] conventional thermal current
10 A conforming to EN/IEC 60947-5-1
Product certifications
INERIS 04ATEX9004U
Handle front plate colour
30 mm
mounting diameter
22 mm
Product or component type
Complete push-button
tightening torque
0.8…1.2 N.m conforming to EN 60947-1
Fixing collar material
Zamak
Connections - terminals
Screw clamp terminals, 2 x 1.5 mm² with cable end conforming to EN/IEC 60947-1
Screw clamp terminals, 1 x 2.5 mm² without cable end conforming to EN/IEC 60947-1
marking
II 2 GD
Ex tb IIIC Db
Ex db eb IIC Gb
bezel material
Chromium plated metal
Operator additional information
Booted (clear silicon) for insertion of legend
contact operation
Slow-break
Contacts type and composition
1 NO
Operating travel
1.657 mm (engagement point)
4.622 mm (changing state point)
4.452 mm (total travel)
Sale per indivisible quantity
1
width (w)
46.2 mm
Type of operator
spring return
Net weight
0.089 kg
Embedding depth
58 mm
depth
72 mm
Fixing center
>= 30 x 40 mm (support panel) - thickness: 1…6 mm
mechanical durability
5000000 cycles
Positive opening
Without
Shape of signaling unit head
Round
Operating force
3.962 N
Operator profile
Green projecting
Environment
Ambient air temp for storage/transportation
-40…70 °C
ip degree of protection
IP66 conforming to IEC 60529
Range of product
Harmony XB4
ambient air temperature for operation
-20…75 °C
Dust zone
Zone 21 - 22
standards
EN/IEC 60079-0:2009
EN/IEC 60079-1:2009
EN/IEC 60079-7:2009
EN/IEC 60079-31:2009
UL 60079-0
UL 60079-1
UL 60079-31
ANSI/ISA 12.12.01
CSA C22.2 No 213
protective treatment
TH