Control systems Self-acting controls
4
Temperature ranges
Range 1
-15 °C to 50 °C
(5 °F to 122 °F)
SA121 and SA1219
Range 2
40 °C to 105 °C
(104 °F to 221 °F)
Range 3
95 °C to 160 °C
(203 °F to 320 °F)
Over temperature protection
55 °C (131 °F) over set value to 190 °C (374 °F) maximum
Range 1
-20 °C to 120 °C
(-4 °F to 248 °F)
SA122
Range 2
40 °C to 170 °C
(104 °F to 338 °F)
Over temperature protection
55 °C (131 °F) over set value
Range 1
-20 °C to 110 °C
(-4 °F to 230 °F)
SA128
Range 2
40 °C to 170 °C
(104 °F to 338 °F)
Over temperature protection
55 °C (131 °F) over set value to 190 °C (374 °F) maximum
Minimum
-35 °C
(-31 °F)
Note - Ambient design temperature
Maximum
+50 °C
(122 °F)
Capillary tube Standard length 2 m, 4 m, 8 m and maximum special length is 16m. (6.6 ft, 13.1 ft, 26.2 ft and 52.5 ft)
4.5 77
Dimensions/weights (approximate) in mm and kg
SA121, SA1219 and SA128
SA122
Pockets
B
A
E
A
C
C
D 6 (optional) For a wall mounted sensor
D
F
Control system
Metal pockets
Weight
Model
A
B
C
D
E
F
excluding pocket
252 (9.9)
2.0 (4.4) 2.3 (5.1) 1.8 (4.0) 1.8 (4.0)
SA121
310 (12.2)
25 (1.0)
333 (13.1)
28 (1.1)
350 (13.8) 441 (17.4)
SA1219
185 (7.3)
240 (9.4)
17 (0.7) 25 (1.0)
271 (10.7)
20 (0.8) 28 (1.1)
SA122
252 (9.9)
178 (7)
196 (7.7)
SA128
TI-P046-01 CTLS Issue 22
Page 3 of 4
SA121, SA122, SA128 and SA1219 Self-acting Temperature Control Systems
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