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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• Metal enclosure
• Release push button
• Position indicator
• Robust design
• Large wiring compartment
• Twisting of towing eye not possible
• External watertight collar
• wire pull and breakage detection
• one-side operation / wire up to 75 m long
• 3 cable entries M 20 x 1.5

 
 
Ordering details
 
Product type descriptionEX-ZQ 900-11-3D
Article number101212889
EAN Code4030661402215
eCl@ss27-37-12-90
 
Approval
 
ApprovalATEX
 
Classification
 
StandardsEN ISO 13849-1
B10d Normally-closed contact (NC)100.000
Mission time20 Years
notice
 
Global Properties
 
Permanent lightEX-ZQ 900
Equipment categoryII 3D
StandardsIEC/EN 60947-5-1, IEC/EN 60947-5-5, EN ISO 13850, EN 60079-0, EN 60079-31
Compliance with the Directives (Y/N) Yes
Materials
- Material of the housingszinc die-cast
- Material of the coverSteel
- Material of the contactsSilver
Housing coatingpainted
Weight1600
Emergency-Stop button (Y/N)No
 
Mechanical data
 
Design of electrical connectionScrew connection
Cable cross-section of the cable glands
- Min. Cable cross-section of the cable glandsØ 7
- Max. Cable cross-section of the cable glandsØ 12
Cable section
- Min. Cable section0,75
- Max. Cable section2.5
Mechanical life> 1.000.000 operations
noticeAll indications about the cable section are including the conductor ferrules.
Actuating forcemax. 200 N
actuating travelmax. 400 mm
Length of wiremax. 75 m
 
Ambient conditions
 
Ambient temperature
- Min. environmental temperature−20
- Max. environmental temperature+55
Protection classIP67 to IEC/EN 60529
 
Electrical data
 
Design of control elementNormally open contact (NO), Opener (NC)
Switching principleSnap switch element
Number of auxiliary contacts1
Number of safety contacts1
Rated impulse withstand voltage Uimp6 kV
Rated insulation voltage Ui500 V
Thermal test current Ithe4 A
Utilisation categoryAC-15: 230 V / 4 A,
DC-13: 24 V / 1 A
Max. fuse rating6 A gG D-fuse
 
ATEX
 
EX-markingEX II 3D Ex tc IIIC T100°C Dc
Explosion protected category for dusts3D
Explosion protection Zones for dusts22
 
Dimensions
 
Dimensions of the sensor
- Width of sensor71.5
- Height of sensor221 mm up 237 mm
- Length of sensor57
 
notice
 
For lengths of over 10 m, intermediate wire supports must be installed every 3 to 5 m.
Recommended cable lengths for pull-wire Emergency-Stop switches in relation to the range of ambient temperature.
As the thimbles are subject to deformation in case of wire pull, the wire should be pulled several times after fitting. After that, the wire must be re-tensioned using the eyebolt or the tensioner.
 
Included in delivery
 
Including Ex-certified screwed cable gland and screw plug
 
Diagram
 


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

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 27.06.2019 - 12:27:25h Kasbase 3.3.0.F.64I