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
• two-side operation / wire up to 2 x 50 m long
• Robust design
• Low actuating force
• Ex certified
• Pull-ring reset
• wire pull and breakage detection

 
 
Ordering details
 
Product type descriptionEX-T3Z 068-11YR - Ordering suffix
Article number101209694
EAN Code4030661383804
eCl@ss27-37-12-90
 
Approval
 
ApprovalEEX
IECEx
INMETRO
 
Classification
 
StandardsEN ISO 13849-1
B10d Normally-closed contact (NC)100.000
Mission time20 Years
notice
 
Global Properties
 
Permanent lightEX-T3Z 068
StandardsEN 60947-5-1, EN 60947-5-5, EN ISO 13850, EN 60079-0, EN 60079-31, ABNT NBR IEC 60947-5-1, ABNT NBR IEC 60947-5-5, ABNT NBR IEC 60079-0, ABNT NBR IEC 60079-31
Compliance with the Directives (Y/N) Yes
Materials
- Material of the housingscast iron, painted
- Material of the covercast iron, painted
- Material of the contactsSilver
Weight4550
Emergency-Stop button (Y/N)No
 
Mechanical data
 
Design of electrical connectionScrew connection
Cable section
- Min. Cable section0,75
- Max. Cable section1.5
Mechanical life50000 operations
noticeAll indications about the cable section are including the conductor ferrules.
Actuating forcemax. 50 N (30 N in direction of rope)
Indicator lamp (Y/N)No
Key reset (Y/N)No
Pull-ring reset (Y/N)Yes
Positive break angle32 °
Positive break torque18
Positive break force50
Length of wiremax. 2 x 50 m
 
Ambient conditions
 
Ambient temperature
- Min. environmental temperature−20
- Max. environmental temperature+60
Protection classIP65, IP66 to IEC/EN 60529
ABNT NBR IEC 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 Uimp4 kV
Rated insulation voltage Ui250 V
Thermal test current Ithe10 A
Utilisation categoryAC-15: 230 V / 2,5 A,
DC-13: 24 V / 6 A
Max. fuse rating6 A gG D-fuse
 
ATEX
 
EX-markingEX II 2D Ex tb IIIC T90°C Db
Explosion protection categories for gasesNone
Explosion protection Zones for gasesNone
Explosion protected category for dusts2D
Explosion protection Zones for dusts21
 
notice
 
At 3 m distance intermediate wire supports are required, see accessories
 
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-T3Z 068-11YR-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 23.04.2019 - 22:06:07h Kasbase 3.3.0.F.64I