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Ratings and standards: Control systems Pneumatic actuators
SLM1
SLM2
SLI1
SLI2
Limit switches
100 000 - 16 A 500 000 - 5 A 20 000 000 - 0.2 A
150 000 - 10 A 10 000 000 - 3 A 15 000 000 - 0.1 A
Mechanical life
Life MTTFd (mean time to dangerous failure) SIL
111 years (worst case)
218 years (worst case)
Temperature
-20 ° C to +85 ° C
-25 ° C to +70 ° C
-25 ° C to +70 ° C
-20 ° C to +60 ° C
ATEX II 3G Ex nA II T6 ATEX II 3D Ex tD 22A IP67 T80 ° C
ATEX II 3G ATEX II 3D
ATEX
4.2 60
Ingress Protection (IP)
IP65
IP66
IP68
IP67
Dimensions (approximate) in mm
1. Housing base
4
7
2. Cover
80
6
3. Special shaft for linkage to Spirax Sarco actuators
8
4. Adjustable cam system
SLM1
5. 'O' ring seal
1
5
6. 5-pin terminal block
50
7. Microswitches
8. Position indicator
2
3
TI-P369-01 CH Issue 3
Page 2 of 4
SLM1, SLM2, SLI1 and SLI2 Limit Switches
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