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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• Thermoplastic enclosure
• Double-insulated
• Multiple coding
• 52 mm x 90 mm x 30 mm
• Large wiring compartment
• High level of contact reliability with low voltages and currents
• Insensitive to soiling
• Slotted holes for adjustment, circular holes for location
• Long life
• Ex certified
• 3 cable entries M 16 x 1.5

Preferred typ
Ordering details
Product type descriptionEX-AZ 16-12ZVRK-3D - Ordering suffix
Article number101185377
EAN Code4030661324883
StandardsEN ISO 13849-1
B10d Normally-closed contact (NC)2.000.000
B10d Normally open contact (NO)1.000.000
- noticeat 10% Ie and ohmic load
Mission time20 Years
Global Properties
Permanent lightEX-AZ 16
StandardsEN 60079-0, EN 60079-31, EN 60947-5-1, BG-GS-ET-15
Compliance with the Directives (Y/N) Yes
- Material of the housingsPlastic, glass-fibre reinforced thermoplastic, self-extinguishing
- Material of the contactsSilver
Housing coatingNone
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 life> 1 million operations operations
noticeAll indications about the cable section are including the conductor ferrules.
higher Latching force (Y/N)Yes
Latching force30
With ejection force (Y/N)No
Positive break force10
positive break travel8
Max. Actuating speed1
Ambient conditions
Ambient temperature
- Min. environmental temperature−20
- Max. environmental temperature+70
Protection classIP67 to IEC/EN 60529
Electrical data
Design of control elementNormally open contact (NO), Opener (NC)
Switching principleCreep circuit element
Number of auxiliary contacts1
Number of safety contacts2
Rated impulse withstand voltage Uimp6 kV
Rated insulation voltage Ui500 V
Thermal test current Ithe2.5 A
Utilisation categoryAC-15: 230 V / 2,5 A, DC-13: 24 V / 2,5 A
Max. fuse rating4 A gG D-fuse
EX-markingEX II 3D Ex tc IIIC T90°C Dc X
Explosion protection categories for gasesNone
Explosion protection Zones for gasesNone
Explosion protected category for dusts3D
Explosion protection Zones for dusts22
Dimensions of the sensor
- Width of sensor52
- Height of sensor90
- Length of sensor30
Individual coding available on request
Included in delivery
Actuators must be ordered separately.
Including Ex-certified screwed cable gland and screw plug
Slot sealing plugs
KeywordsEx, EEx, ATEX, Ex AZ 16, Ex AZ16, AZ 16 Ex, AZ16 ex, AZ16ex, ATEX AZ16

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 16-12ZVRK-3D-2254
...-2254 Latching force 5 N

...-1762 Versions with M5 nuts
For front mounting of safety switch, e.g. on sheet-steel covers
Cannot be retrofitted

...-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 15.09.2019 - 01:59:19h Kasbase 3.3.0.F.64I