SUCO
The SUCO 0122/0123 series features compact, rugged diaphragm-style mechanical pressure switches with an integrated M12×1 connector and zinc‑plated steel HEX‑24 housing, conforming to DIN EN 61076‑2‑101‑A standards and IP67/IP6K9K ingress protection. They operate up to 42 V AC/DC with a resistive contact rating of 4 A, offering SPST normally open or closed contacts. The switches allow six field-adjustable pressure ranges with overpressure resistance up to 300 bar (diaphragm type) and higher ranges up to 600 bar. Technical specifications include excellent repeatability, fast switching frequency (up to 200 cycles/min), and a long mechanical life expectancy of 1 million cycles. Warranty against harsh conditions includes vibration tolerance (10 g, 5–200 Hz), shock resistance (294 m/s²), and superior seal compatibility—NBR, EPDM, FKM, FFKM, HNBR, and silicones—covering broad media types and temperature tolerances from –40 °C up to +120 °C depending on seal material.
These switches serve as reliable pressure monitors and safety devices in mobile hydraulic systems, industrial machinery, water and braking systems, and pneumatic setups. Their compact HEX‑24 design with integrated M12 connector enables quick installation and secure electrical connections even in tight engine bays or control panels. On-site adjustability and factory pre-setting options allow technicians to calibrate switch points precisely for pump start/stop control, system protection, leak detection, or interlock management. With robust overpressure tolerance, IP67 dust/water resistance, and compatibility with hydraulic oils, fuels, and aggressive media, the 0122/0123 ensures reliable long-term operation in harsh, heavy-duty environments like construction, agriculture, and off-highway equipment.
| Adjustment range min | 10 bar |
|---|---|
| Adjustment range max | 20 bar |
| Pressure max | 300 bar |
| Function | Normally open |
| Electrical connection | M12 |
| IP class | IP67 |
| Approvals | CSA US, RoHS II |
| Material of body | Galvanized steel |
| Material of wetted parts | EPDM, Galvanized steel |
| Material membrane | EPDM |
| Temperature of media from | -30 °C |
| Temperature of media to | 120 °C |
|---|---|
| Contact rating max | 4 A |
| Voltage ac/dc max | 42 V |
| Voltage ac/dc min | 10 V |
| Temperature ambient from | -20 °C |
| Temperature ambient to | 80 °C |
| Deviation max | ±1,0 |
| Max switching frequency/min | 200 |
| Process connection | 1/8 BSP |
| Weight | 90 g |
The SUCO 0122/0123 series features compact, rugged diaphragm-style mechanical pressure switches with an integrated M12×1 connector and zinc‑plated steel HEX‑24 housing, conforming to DIN EN 61076‑2‑101‑A standards and IP67/IP6K9K ingress protection. They operate up to 42 V AC/DC with a resistive contact rating of 4 A, offering SPST normally open or closed contacts. The switches allow six field-adjustable pressure ranges with overpressure resistance up to 300 bar (diaphragm type) and higher ranges up to 600 bar. Technical specifications include excellent repeatability, fast switching frequency (up to 200 cycles/min), and a long mechanical life expectancy of 1 million cycles. Warranty against harsh conditions includes vibration tolerance (10 g, 5–200 Hz), shock resistance (294 m/s²), and superior seal compatibility—NBR, EPDM, FKM, FFKM, HNBR, and silicones—covering broad media types and temperature tolerances from –40 °C up to +120 °C depending on seal material.
These switches serve as reliable pressure monitors and safety devices in mobile hydraulic systems, industrial machinery, water and braking systems, and pneumatic setups. Their compact HEX‑24 design with integrated M12 connector enables quick installation and secure electrical connections even in tight engine bays or control panels. On-site adjustability and factory pre-setting options allow technicians to calibrate switch points precisely for pump start/stop control, system protection, leak detection, or interlock management. With robust overpressure tolerance, IP67 dust/water resistance, and compatibility with hydraulic oils, fuels, and aggressive media, the 0122/0123 ensures reliable long-term operation in harsh, heavy-duty environments like construction, agriculture, and off-highway equipment.
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| Parts | Adjustment range min | Adjustment range max | Pressure max | Function | Material of wetted parts | Material membrane | Temperature of media from | Temperature of media to | Deviation max | Process connection | Price | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
0,1..1 bar, G1/4, No, NBR, M12x1
Art:
0122403031011
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±0,2
|
1/4 BSP
|
|
||
|
0,1..1 bar, G1/4, No, EPDM, M12x1
Art:
0122403032011
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±0,2
|
1/4 BSP
|
|
||
|
0,1..1 bar, G1/4, No, FKM, M12x1
Art:
0122403033011
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±0,2
|
1/4 BSP
|
|
||
|
0,1..1 bar, G1/8, No, NBR, M12x1
Art:
0122403281603
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±0,2
|
1/8 BSP
|
|
||
|
0,1..1 bar, G1/8, No, EPDM, M12x1
Art:
0122403282603
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±0,2
|
1/8 BSP
|
|
||
|
0,1..1 bar, G1/8, No, FKM, M12x1
Art:
0122403283603
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±0,2
|
1/8 BSP
|
|
||
|
0,1..1 bar, G1/4, Nc, NBR, M12x1
Art:
0122404031015
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±0,2
|
1/4 BSP
|
|
||
|
0,1..1 bar, G1/4, Nc, EPDM, M12x1
Art:
0122404032015
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±0,2
|
1/4 BSP
|
|
||
|
0,1..1 bar, G1/4, Nc, FKM, M12x1
Art:
0122404033015
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±0,2
|
1/4 BSP
|
|
||
|
0,1..1 bar, G1/8, Nc, NBR, M12x1
Art:
0122404281604
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±0,2
|
1/8 BSP
|
|
||
|
0,1..1 bar, G1/8, Nc, EPDM, M12x1
Art:
0122404282604
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±0,2
|
1/8 BSP
|
|
||
|
0,1..1 bar, G1/8, Nc, FKM, M12x1
Art:
0122404283604
Copied
|
0.1 bar
|
1 bar
|
300 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±0,2
|
1/8 BSP
|
|
||
|
1..10 bar, G1/4, No, NBR, M12x1
Art:
0122407031027
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±0,5
|
1/4 BSP
|
|
||
|
1..10 bar, G1/4, No, EPDM, M12x1
Art:
0122407032027
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±0,5
|
1/4 BSP
|
|
||
|
1..10 bar, G1/4, No, FKM, M12x1
Art:
0122407033027
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±0,5
|
1/4 BSP
|
|
||
|
1..10 bar, G1/8, No, NBR, M12x1
Art:
0122407281607
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±0,5
|
1/8 BSP
|
|
||
|
1..10 bar, G1/8, No, EPDM, M12x1
Art:
0122407282607
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±0,5
|
1/8 BSP
|
|
||
|
1..10 bar, G1/8, No, FKM, M12x1
Art:
0122407283607
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±0,5
|
1/8 BSP
|
|
||
|
1..10 bar, G1/4, Nc, NBR, M12x1
Art:
0122408031031
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±0,5
|
1/4 BSP
|
|
||
|
1..10 bar, G1/4, Nc, EPDM, M12x1
Art:
0122408032031
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±0,5
|
1/4 BSP
|
|
||
|
1..10 bar, G1/4, Nc, FKM, M12x1
Art:
0122408033031
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±0,5
|
1/4 BSP
|
|
||
|
1..10 bar, G1/8, Nc, NBR, M12x1
Art:
0122408281608
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±0,5
|
1/8 BSP
|
|
||
|
1..10 bar, G1/8, Nc, EPDM, M12x1
Art:
0122408282608
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±0,5
|
1/8 BSP
|
|
||
|
1..10 bar, G1/8, Nc, FKM, M12x1
Art:
0122408283608
Copied
|
1 bar
|
10 bar
|
300 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±0,5
|
1/8 BSP
|
|
||
|
10..20 bar, G1/4, No, NBR, M12x1
Art:
0122411031043
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±1,0
|
1/4 BSP
|
|
||
|
10..20 bar, G1/4, No, EPDM, M12x1
Art:
0122411032043
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±1,0
|
1/4 BSP
|
|
||
|
10..20 bar, G1/4, No, FKM, M12x1
Art:
0122411033043
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±1,0
|
1/4 BSP
|
|
||
|
10..20 bar, G1/8, No, NBR, M12x1
Art:
0122411281611
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±1,0
|
1/8 BSP
|
|
||
|
10..20 bar, G1/8, No, EPDM, M12x1
Art:
0122411282611
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±1,0
|
1/8 BSP
|
|
||
|
10..20 bar, G1/8, No, FKM, M12x1
Art:
0122411283611
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±1,0
|
1/8 BSP
|
|
||
|
10..20 bar, G1/4, Nc, NBR, M12x1
Art:
0122412031047
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±1,0
|
1/4 BSP
|
|
||
|
10..20 bar, G1/4, Nc, EPDM, M12x1
Art:
0122412032047
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±1,0
|
1/4 BSP
|
|
||
|
10..20 bar, G1/4, Nc, FKM, M12x1
Art:
0122412033047
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±1,0
|
1/4 BSP
|
|
||
|
10..20 bar, G1/8, Nc, NBR, M12x1
Art:
0122412281612
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±1,0
|
1/8 BSP
|
|
||
|
10..20 bar, G1/8, Nc, EPDM, M12x1
Art:
0122412282612
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±1,0
|
1/8 BSP
|
|
||
|
10..20 bar, G1/8, Nc, FKM, M12x1
Art:
0122412283612
Copied
|
10 bar
|
20 bar
|
300 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±1,0
|
1/8 BSP
|
|
||
|
20..50 bar, G1/4, No, NBR, M12x1
Art:
0122415031059
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±2,0
|
1/4 BSP
|
|
||
|
20..50 bar, G1/4, No, EPDM, M12x1
Art:
0122415032059
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±2,0
|
1/4 BSP
|
|
||
|
20..50 bar, G1/4, No, FKM, M12x1
Art:
0122415033059
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±2,0
|
1/4 BSP
|
|
||
|
20..50 bar, G1/8, No, NBR, M12x1
Art:
0122415281615
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±2,0
|
1/8 BSP
|
|
||
|
20..50 bar, G1/8, No, EPDM, M12x1
Art:
0122415282615
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±2,0
|
1/8 BSP
|
|
||
|
20..50 bar, G1/8, No, FKM, M12x1
Art:
0122415283615
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±2,0
|
1/8 BSP
|
|
||
|
20..50 bar, G1/4, Nc, NBR, M12x1
Art:
0122416031063
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±2,0
|
1/4 BSP
|
|
||
|
20..50 bar, G1/4, Nc, EPDM, M12x1
Art:
0122416032063
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±2,0
|
1/4 BSP
|
|
||
|
20..50 bar, G1/4, Nc, FKM, M12x1
Art:
0122416033063
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±2,0
|
1/4 BSP
|
|
||
|
20..50 bar, G1/8, Nc, NBR, M12x1
Art:
0122416281616
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±2,0
|
1/8 BSP
|
|
||
|
20..50 bar, G1/8, Nc, EPDM, M12x1
Art:
0122416282616
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±2,0
|
1/8 BSP
|
|
||
|
20..50 bar, G1/8, Nc, FKM, M12x1
Art:
0122416283616
Copied
|
20 bar
|
50 bar
|
300 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-5 °C
|
120 °C
|
±2,0
|
1/8 BSP
|
|
||
|
50..150 bar, G1/4, No, NBR, M12x1
Art:
0123419031011
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±5,0
|
1/4 BSP
|
|
||
|
50..150 bar, G1/4, No, EPDM, M12x1
Art:
0123419032011
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±5,0
|
1/4 BSP
|
|
||
|
50..150 bar, G1/4, No, FKM, M12x1
Art:
0123419033011
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-15 °C
|
120 °C
|
±5,0
|
1/4 BSP
|
|
||
|
50..150 bar, G1/8, No, NBR, M12x1
Art:
0123419281603
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally open
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±5,0
|
1/8 BSP
|
|
||
|
50..150 bar, G1/8, No, EPDM, M12x1
Art:
0123419282603
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally open
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±5,0
|
1/8 BSP
|
|
||
|
50..150 bar, G1/8, No, FKM, M12x1
Art:
0123419283603
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally open
|
FKM, Galvanized steel
|
FKM
|
-15 °C
|
120 °C
|
±5,0
|
1/8 BSP
|
|
||
|
50..150 bar, G1/4, Nc, NBR, M12x1
Art:
0123420031015
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±5,0
|
1/4 BSP
|
|
||
|
50..150 bar, G1/4, Nc, EPDM, M12x1
Art:
0123420032015
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±5,0
|
1/4 BSP
|
|
||
|
50..150 bar, G1/4, Nc, FKM, M12x1
Art:
0123420033015
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-15 °C
|
120 °C
|
±5,0
|
1/4 BSP
|
|
||
|
50..150 bar, G1/8, Nc, NBR, M12x1
Art:
0123420281604
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally Closed
|
Galvanized steel, NBR
|
NBR
|
-40 °C
|
100 °C
|
±5,0
|
1/8 BSP
|
|
||
|
50..150 bar, G1/8, Nc, EPDM, M12x1
Art:
0123420282604
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally Closed
|
EPDM, Galvanized steel
|
EPDM
|
-30 °C
|
120 °C
|
±5,0
|
1/8 BSP
|
|
||
|
50..150 bar, G1/8, Nc, FKM, M12x1
Art:
0123420283604
Copied
|
50 bar
|
150 bar
|
600 bar
|
Normally Closed
|
FKM, Galvanized steel
|
FKM
|
-15 °C
|
120 °C
|
±5,0
|
1/8 BSP
|
|
Select a variant in the list