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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EX-T4V7H 335-20ZH-2138-3G/D
• Explosion protection for ATEX Zones 2 and 22
• Metal enclosure
• Wide range of alternative actuators
• Good resistance to oil and petroleum spirit
• 40,5 mm x 76 mm x 38 mm
• Actuator heads can be repositioned by 4 x 90°
• Ex-certified screwed cable gland
• Mounting details to EN 50041
• 1 Cable entry M 20 x 1.5
• Ex certified

 
 
Ordering details
 
Product type descriptionEX-T4V7H 335-20ZH-2138-3G/D - Ordering suffix
Article numberEX-T4V7H 335-20ZH-2138-3G/D
EAN Code
eCl@ss27-27-26-01
 
Approval
 
ApprovalATEX
 
Classification
 
StandardsEN ISO 13849-1
Mission time20 Years
notice
 
Global Properties
 
Permanent lightEX-T 335 Rollenschwenkhebel 7H 2138
StandardsEN 60079-0, EN 60079-15, EN 60079-31, EN 60947-5-1, BG-GS-ET-15
Compliance with the Directives (Y/N) Yes
Suitable for safety functions (Y/N)No
Materials
- Material of the housingsAluminium
- Lever materialMetal film
- Roller materialPlastic
- 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 glands7
- Max. Cable cross-section of the cable glands12
Cable section
- Min. Cable section0,75
- Max. Cable section2.5
AWG-Number13
Mechanical life30.000.000 operations
Switching frequencymax. 5000 /h
noticeAll indications about the cable section are including the conductor ferrules.
Design of actuating elementRoller lever
actuating torquemin. 31 Ncm
Bounce duration< 2
Switchover timein accordance with actuating speed
Impact energymax. 4 J
Actuating speed with actuating angle 30° to switch axis
- Min. Actuating speed
- Max. Actuating speed2.5 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
 
EX-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 sensor40.5
- Height of sensor173.5
- Length of sensor57.25
 
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
  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-T4V7H 335-20ZH-2138-3G/D-1297
...-1297 Enclosure with transverse slotted holes

...-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 20.02.2019 - 19:18:53h Kasbase 3.3.0.F.64I