Ex 355 AZ 2Ö

Ex safety switch with separate actuator
Material number: 1180261
(Material number old: 92553301)
  • Ex zone 1 and 21
  • Metal enclosure
  • Mounting details to EN 50041
  • Wiring compartment
Note
  • The actuator is not included in the delivery of the switches
Contact

Technical data

Applied standardsEN 60947-5-1; EN 60079-0,
EN 60079-1, EN 60079-7,
EN 60079-31; EN ISO 13849-1;
EN ISO 14119
Enclosurezinc die-cast, enamel finish
Switch typetype 2
Coding levellow coding
Switch insert1 x Ex 95
Degree of protectionIP 67 to IEC/EN 60529
Contact materialsilver
Switching systemslow action, positive break NC contacts
Switching elements2 NC contacts, type Zb
Connectionscrew connection terminals
Cable cross-sectionmax. 1.5 mm² (incl. conductor ferrules)
Cable entry3 x M20 x 1.5 (incl. 1 cable gland)
Clamping range7 … 12 mm
B10d (10 % load)2 million
TMmax. 20 years
Rated impulse withstand voltage Uimp4 kV
Rated operating isolation voltage Ui250 V
Conventional thermal current Ithe6 A
Rated operating current/voltage Ie/Ue6 A/250 VAC; 0.25 A/230 VDC
Utilisation categoryAC-15; DC-13
Short-circuit protection6 A gG/gN fuse
Positive break travel8.3 mm
Ambient temperatureT6: –20 °C … +40 °C;
T5: –20 °C … +60 °C
Mechanical life> 1 million operations
Impact energymax. 7 J
Ex marking II 2G Ex db e IIC T6/T5 Gb,
II 2D Ex tb IIIC
T80 °C/T95 °C Db
IECEx Ex db e IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
ApprovalsBVS 04 ATEX E 126
IECEx BVS 07.0013
Weight500 g

Contact diagram

Switching diagram

Note
Inserted position of actuator = 0 in switching diagram.
The actuator is not included with the switches.


Actuators

Straight actuators

Type   Material no.  
Type    Material no.   
Straight actuator AZ 335/355-B1 stock type Standard versions, in stock or available at short notice 1170536
Type    Material no.   
Straight actuator AZ 335/355-B1-2245 with rubber stock type Standard versions, in stock or available at short notice 1170537

Angled actuators

Type   Material no.  
Type    Material no.   
Angled actuator AZ 335/355-B5 stock type Standard versions, in stock or available at short notice 1170538
Type    Material no.   
Angled actuator AZ 335/355-B5-Flex stock type Standard versions, in stock or available at short notice 1182126

Flexible actuators

Type   Material no.  
Type    Material no.   
Flexible actuator AZ 335/355-B6 stock type Standard versions, in stock or available at short notice 1170540
Type   Material no.  
Type    Material no.   
Lockout tag SZ 16/335 stock type Standard versions, in stock or available at short notice 1170535
Type   Material no.  
Type    Material no.   
Slot sealing plug AZ 355 stock type Standard versions, in stock or available at short notice 1172965