SUCO
The SUCO 0165 is an intrinsically safe, mechanical pressure switch engineered for explosive environments (ATEX Zone 1 & 2 gas atmospheres: Ex II 2G Ex d IIC T6/T5 X). Housed in robust anodised aluminium (30 mm A/F) with a PG9 cable gland and a 2 m cable, it delivers changeover (SPDT) switching with silver contacts, capable of handling up to 250 VAC or VDC at 1 A. Field-adjustable setpoint ranges span five bands, overpressure safety extends to 200 bar (diaphragm types) or up to 600 bar (piston types) with a typical differential of 10–30 %. Its design ensures precision under stress—switch stability remains tight (±0.5 bar nominal), and it withstands mechanical shock (294 m/s²), vibration (10 g), and fast pressure spikes up to 1 bar/ms, delivering up to 200 cycles per minute for about one million actuations.
The SUCO 0165 is ideal for safety-critical tasks in oil & gas, petrochemical, chemical processing, mills, refineries, and other hazardous workplaces. Its ability to be adjusted under pressure simplifies commissioning and maintenance in live systems, while the wide adjustment profile suits applications from low-pressure gas detection to high-pressure hydraulic safety interlocks. The aluminium housing and explosion-proof certification ensure reliable performance in flammable atmospheres, and its high overpressure capacity makes it invaluable for pump control, leak detection, pressure alarm systems, and compressor shut-off in intrinsically safe zones. Practical use includes monitoring pipeline pressure, triggering shutdowns in gas lines, and providing safety interlocks on hydraulic machinery in Zone 1/2 environments.
Adjustment range max | 6 bar |
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Adjustment range min | 1 bar |
Approvals | CSA US, Ex-d |
Contact load max ac | 1 A |
Contact load max dc | 0.25 A |
Deviation max | ±0,5 |
Electrical connection | Embedded 2m cable |
Function | Changeover (SPDT) |
IP class | IP65 |
Material membrane | NBR |
Material of body | Aluminium |
Material of wetted parts | Aluminium, NBR |
Max switching frequency/min | 200 |
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Pressure max | 200 bar |
Process connection | G1/4 female |
Temperature ambient from | -20 °C |
Temperature ambient to | 80 °C |
Temperature of media from | -20 °C |
Temperature of media to | 80 °C |
Weight | 380 g |
Voltage ac/dc max | 250 V |
Voltage ac/dc min | 10 V |
The SUCO 0165 is an intrinsically safe, mechanical pressure switch engineered for explosive environments (ATEX Zone 1 & 2 gas atmospheres: Ex II 2G Ex d IIC T6/T5 X). Housed in robust anodised aluminium (30 mm A/F) with a PG9 cable gland and a 2 m cable, it delivers changeover (SPDT) switching with silver contacts, capable of handling up to 250 VAC or VDC at 1 A. Field-adjustable setpoint ranges span five bands, overpressure safety extends to 200 bar (diaphragm types) or up to 600 bar (piston types) with a typical differential of 10–30 %. Its design ensures precision under stress—switch stability remains tight (±0.5 bar nominal), and it withstands mechanical shock (294 m/s²), vibration (10 g), and fast pressure spikes up to 1 bar/ms, delivering up to 200 cycles per minute for about one million actuations.
The SUCO 0165 is ideal for safety-critical tasks in oil & gas, petrochemical, chemical processing, mills, refineries, and other hazardous workplaces. Its ability to be adjusted under pressure simplifies commissioning and maintenance in live systems, while the wide adjustment profile suits applications from low-pressure gas detection to high-pressure hydraulic safety interlocks. The aluminium housing and explosion-proof certification ensure reliable performance in flammable atmospheres, and its high overpressure capacity makes it invaluable for pump control, leak detection, pressure alarm systems, and compressor shut-off in intrinsically safe zones. Practical use includes monitoring pipeline pressure, triggering shutdowns in gas lines, and providing safety interlocks on hydraulic machinery in Zone 1/2 environments.
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Parts | Adjustment range max | Adjustment range min | Approvals | Deviation max | Material membrane | Material of wetted parts | Pressure max | Temperature of media from | Price | ||
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1..6 bar, G1/4 female, CO, NBR, 2m cable, Ex, Aluminium
Art:
0165448141001
Copied
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6 bar
|
1 bar
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CSA US, Ex-d
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±0,5
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NBR
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Aluminium, NBR
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200 bar
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-20 °C
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![]()
1..6 bar, G1/4 female, CO, EPDM, 2m cable, Ex, Aluminium
Art:
0165448142001
Copied
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6 bar
|
1 bar
|
ATEX, CSA US
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±0,5
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EPDM
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Aluminium, EPDM
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200 bar
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-20 °C
|
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![]()
1..6 bar, G1/4 female, CO, FKM, 2m cable, Ex, Aluminium
Art:
0165448143001
Copied
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6 bar
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1 bar
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ATEX, CE, CSA US, RoHS II
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±0,5
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FKM
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Aluminium, FKM
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200 bar
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-5 °C
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![]()
5..50 bar, G1/4 female, CO, NBR, 2m cable, Ex, Aluminium
Art:
0165449141001
Copied
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50 bar
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5 bar
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CSA US, Ex-d
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±3,0
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NBR
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Aluminium, NBR
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200 bar
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-20 °C
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![]()
5..50 bar, G1/4 female, CO, EPDM, 2m cable, Ex, Aluminium
Art:
0165449142001
Copied
|
50 bar
|
5 bar
|
ATEX, CE, CSA US, RoHS II
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±3,0
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EPDM
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Aluminium, EPDM
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200 bar
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-20 °C
|
| ||
![]()
5..50 bar, G1/4 female, CO, FKM, 2m cable, Ex, Aluminium
Art:
0165449143001
Copied
|
50 bar
|
5 bar
|
ATEX, CE, CSA US, RoHS II
|
±3,0
|
FKM
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Aluminium, FKM
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200 bar
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-5 °C
|
| ||
![]()
20..100 bar, G1/4 female, CO, NBR, 2m cable, Ex, Aluminium
Art:
0165450141001
Copied
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100 bar
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20 bar
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CSA US, Ex-d
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±3,0-5,0
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NBR
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Aluminium, NBR
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600 bar
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-20 °C
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![]()
25..250 bar, G1/4 female, CO, NBR, 2m cable, Ex, Aluminium
Art:
0165452141001
Copied
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250 bar
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25 bar
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CSA US
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±5,0-7,0
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NBR
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Aluminium, NBR
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600 bar
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-20 °C
|
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![]()
20..100 bar, G1/4 female, CO, EPDM, 2m cable, Ex, Aluminium
Art:
0165450142001
Copied
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100 bar
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20 bar
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ATEX, CE, CSA US, RoHS II
|
±3,0-5,0
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EPDM
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Aluminium, EPDM
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600 bar
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-20 °C
|
| ||
![]()
20..100 bar, G1/4 female, CO, FKM, 2m cable, Ex, Aluminium
Art:
0165450143001
Copied
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100 bar
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20 bar
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ATEX, CE, CSA US, RoHS II
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±3,0-5,0
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FKM
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Aluminium, FKM
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600 bar
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-15 °C
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![]()
100..400 bar, G1/4 female, CO, NBR, 2m cable, Ex, Aluminium
Art:
0165451141001
Copied
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400 bar
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100 bar
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CSA US, Ex-d
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±5,0-9,0
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NBR
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Aluminium, NBR
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600 bar
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-20 °C
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![]()
100..400 bar, G1/4 female, CO, EPDM, 2m cable, Ex, Aluminium
Art:
0165451142001
Copied
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400 bar
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100 bar
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ATEX, CE, CSA US, RoHS II
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±5,0-9,0
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EPDM
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Aluminium, EPDM
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600 bar
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-20 °C
|
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![]()
100..400 bar, G1/4 female, CO, FKM, 2m cable, Ex, Aluminium
Art:
0165451143001
Copied
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400 bar
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100 bar
|
ATEX, CE, CSA US, RoHS II
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±5,0-9,0
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FKM
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Aluminium, FKM
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600 bar
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-15 °C
|
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![]()
25..250 bar, G1/4 female, CO, EPDM, 2m cable, Ex, Aluminium
Art:
0165452142001
Copied
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250 bar
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25 bar
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ATEX, CE, CSA US, RoHS II
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±5,0-7,0
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EPDM
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Aluminium, EPDM
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600 bar
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-20 °C
|
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![]()
25..250 bar, G1/4 female, CO, FKM, 2m cable, Ex, Aluminium
Art:
0165452143001
Copied
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250 bar
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25 bar
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ATEX, CE, CSA US, RoHS II
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±5,0-7,0
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FKM
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Aluminium, FKM
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600 bar
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-15 °C
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Select a variant in the list