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
• 3 Contacts
• 40.5 mm x 114 mm x 38 mm
• Long life
• Can be mounted on a flat surface
• Actuator heads can be repositioned in steps 4 x 90°
• Mounting details to EN 50041
• High level of contact reliability with low voltages and currents
• 1 Cable entry M 20 x 1.5
• Slotted holes for adjustment, circular holes for location
• Ex certified
• Transverse and longitudinal slotted holes
• Ex-certified screwed cable gland

Ordering details
Product type descriptionEX-AZ 335-12ZK-3D - Ordering suffix
NOTICE: Not available! (Replacement: EX-AZ 3350)
Article number101186429
EAN code4030661346007
Approval EX
StandardsEN ISO 13849-1
B10d Opener (NC)2.000.000
B10d Normally open contact (NO)1.000.000
- noticeat 10% Ie and ohmic load
Mission time20 Years
Global Properties
Product nameEX-AZ 335
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
- Material of the housingslight alloy die-casting
- Material of the contactsSilver
Housing coatingpainted
Weight300 g
Mechanical data
Design of electrical connectionScrew connection
Cable cross-section of the cable glands
- Min. Cable cross-section of the cable glandsØ 6 mm
- Max. Cable cross-section of the cable glandsØ 12 mm
Cable section
- Min. Cable section0,75 mm²
- Max. Cable section2.5 mm²
Mechanical life10.000.000 operations
noticeAll indications about the cable section are including the conductor ferrules.
higher Latching force (Y/N)No
Latching force5 N
Positive break force5 N
positive break travel10.7 mm
Max. Actuating speed1 m/s
Ambient conditions
Ambient temperature
- Min. environmental temperature−20 °C
- Max. environmental temperature+60 °C
Protection classIP67 to IEC/EN 60529
Electrical data
Design of control elementNormally open contact (NO), Opener (NC)
Switching principleSlow action
Number of auxiliary contacts1 piece
Number of safety contacts2 piece
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
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 of the sensor
- Width of sensor40.5 mm
- Height of sensor114 mm
- Length of sensor38 mm
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.
Ex-certified screwed cable gland
KeywordsEx, EEx, ATEX, Ex AZ 335, Ex AZ335, AZ 335 Ex, AZ335 ex, AZ335ex, ATEX AZ335

Note Diagram
  positive break NC contact
  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 335-12ZK-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 10.10.2015 - 20:04:26h Kasbase 3.1.12.F.64I