Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
  adjustable range of NC contact
N   after travel
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NOTICE: Not available! (Replacement: EX-AZ 3350)
• Metal enclosure
• Actuator heads can be repositioned in steps 4 x 90°
• 3 cable entries M 20 x 1.5
• 66.7 mm x 114 mm x 38 mm
• Long life
• Can be mounted on a flat surface
• High level of contact reliability with low voltages and currents
• Ex certified
• 3 Contacts
• Transverse and longitudinal slotted holes
• Mounting details to EN 50041
• Ex-certified screwed cable gland

 
 
Ordering details
 
Product type descriptionEX-AZ 355-03ZRK-3D - Ordering suffix
NOTICE: Not available! (Replacement: EX-AZ 3350)
Article number10EX-AZ 355-03ZRK-3D
EAN Code
eCl@ss27-27-26-02
 
Approval
 
Approval EEX
 
Classification
 
StandardsEN ISO 13849-1
B10d Normally-closed contact (NC)2.000.000
Mission time20 Years
 
Global Properties
 
Permanent lightEX-AZ 355
StandardsEx tD A22 IP67 T90°°C X, EN 60947-5-1, EN 61241-1, BG-GS-ET-15
Compliance with the Directives (Y/N) Yes
Materials
- Material of the housingslight alloy die-casting
- Material of the contactsSilver
Housing coatingpainted
Weight
 
Mechanical data
 
Design of electrical connectionScrew connection
Cable cross-section of the cable glands
- Min. Cable cross-section of the cable glandsØ 6
- Max. Cable cross-section of the cable glandsØ 12
Cable section
- Min. Cable section0,75
- Max. Cable section2.5
Mechanical life10.000.000 operations
noticeAll indications about the cable section are including the conductor ferrules.
higher Latching force (Y/N)Yes
Latching force30
Positive break force5
positive break travel10.7
Max. Actuating speed1
 
Ambient conditions
 
Ambient temperature
- Min. environmental temperature−20
- Max. environmental temperature+60
Protection classIP67 to IEC/EN 60529
 
Electrical data
 
Design of control elementOpener (NC)
Switching principleSlow action
Number of auxiliary contacts0
Number of safety contacts3
Rated impulse withstand voltage Uimp4 kV
Rated insulation voltage Ui250 V
Thermal test current Ithe10 A
Utilisation categoryAC-15: 230 V / 4 A, DC-13: 24 V / 4 A
Max. fuse rating6 A gG D-fuse
 
ATEX
 
Explosion protection categories for gasesNone
Explosion protection Zones for gasesNone
Explosion protected category for dustsATEX dust ex-protection, Cat. 3
Explosion protection Zones for dusts22
 
Dimensions
 
Dimensions of the sensor
- Width of sensor66.7
- Height of sensor114
- Length of sensor38
 
notice
 
By turning the head in 90° steps, 8 actuating planes are possible. A Torx T10 screwdriver is needed for this purpose.
Even when the screw is removed, the head is self-retaining. The switch can still not be tampered.
 
Included in delivery
 
Actuators must be ordered separately.
Including Ex-certified screwed cable gland and screw plug
 
Keywords
 
KeywordsEx, EEx, ATEX, Ex AZ 355, Ex AZ355, AZ 355 Ex, AZ355 ex, AZ355ex, ATEX AZ355
 
Diagram
 


Note Diagram
  positive break NC contact
  active
  no active
  Normally-open contact
  Normally-closed contact
 
Switch travel diagram
 


Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
  adjustable range of NC contact
N   after travel
 
Ordering suffix
 
The applicable ordering suffix is added at the end of the part number of the safety switch.
Order example: EX-AZ 355-03ZRK-3D-1637
...-1637 0,3 µm gold-plated contacts


K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D-42279 Wuppertal
The data and values have been checked throroughly. Technical modifications and errors excepted.
Generiert am 16.11.2018 - 17:22:02h Kasbase 3.3.0.F.64I