Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
VÖ  adjustable range of NC contact
N   after travel
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Datasheet Datasheet

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• Ex certified
• Metal enclosure
• Wide range of alternative actuators
• Good resistance to oil and petroleum spirit
• 30 mm x 63,5 mm x 30 mm
• Actuator heads can be repositioned by 4 x 90°
• Mounting details to EN 50047
• Ex-certified screwed cable gland
• 1 Cable entry M 20 x 1.5

 
 
Ordering details
 
Product type descriptionEX-TK 235-20ZH-3D
Article number10EX-TK 235-20ZH-3D
EAN Code
eCl@ss27-27-26-01
 
Approval
 
Approval EEX
 
Classification
 
StandardsEN ISO 13849-1
Mission time20 Years
notice
 
Global Properties
 
Permanent lightEX-T 235 Rollenhebel K
StandardsEN 60947-5-1, EN 60079-0, EN 60079-15, EN 60079-31, BG-GS-ET-15
Compliance with the Directives (Y/N) Yes
Suitable for safety functions (Y/N)No
Actuator typeE to EN 50047
Materials
- Material of the housingsZink
- Material of the contactsSilver
Housing coatingpainted
Housing construction formNorm construction design
Weight
 
Mechanical data
 
Design of electrical connectionScrew connection
Cable cross-section of the cable glands
- Min. Cable cross-section of the cable glands6
- Max. Cable cross-section of the cable glands12
Cable section
- Min. Cable section0,75
- Max. Cable section2.5
AWG-Number13
Mechanical life20.000.000 operations
Switching frequencymax. 5000 /h
noticeAll indications about the cable section are including the conductor ferrules.
Design of actuating elementOffset roller lever
Actuating forcemin. 9 N
Bounce durationin accordance with actuating speed
Switchover timein accordance with actuating speed
Positive break force19
Actuating speed with actuating angle 30° to switch axis
- Min. Actuating speed240 mm/min
- Max. Actuating speed1 m/s
 
Ambient conditions
 
Ambient temperature
- Min. environmental temperature−20
- Max. environmental temperature+60
Protection classIP67
 
Electrical data
 
Design of control elementNormally open contact (NO)
Switching principleSlow action with staggered contacts
Number of auxiliary contacts2
Number of safety contacts0
Rated impulse withstand voltage Uimp6 kV
Rated insulation voltage Ui500 V
Thermal test current Ithe10 A
Utilisation categoryAC-15: 230 V / 4 A,
DC-13: 24 V / 1 A
Max. fuse rating6 A gG D-fuse
 
ATEX
 
MarkingEX II 3D Ex tc IIIC T90°C Dc X
EX II 3G Ex nC IIC T5 Gc X
Explosion protection categories for gases3G
Explosion protection Zones for gases2
Explosion protected category for dusts3D
Explosion protection Zones for dusts22
 
Dimensions
 
Dimensions of the sensor
- Width of sensor30
- Height of sensor95.1
- Length of sensor30
 
notice
 
Switch with 2 NO contacts are not for security tasks
 
Keywords
 
KeywordsEx, EEx, ATEX, Ex 235, Ex 235, 235 Ex, 235ex, 235ex, ATEX 235
 
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
VÖ  adjustable range of NC contact
N   after travel
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 22.02.2019 - 18:28:35h Kasbase 3.3.0.F.64I