Pressure switch FF 4 ATEX
For intrinsically safe circuits
Protection class: IM2 Ex ia IMb for mining applications
Protection class: II 2G Ex ia IIC T6 Gb for chemical applications
Change-over contact
product description Pressure switch FF 4 ATEX
Mechniacal Pressure switch with Protection class: IM2 Ex ia IMb for mining applications
Pressure switch with perbunan diaphragm and Zinc pressure connector:
Pressure range from 0,11...16 bar
High pressure switch with plastic plunger and stainless steel pressure connector:
Pressure range from 4... 250 bar
Pressure connector: H (G 3/8" Female thread, DIN 1725/2), stainless steel. VDE 0660, IEC 337-1, IEC 553-1
Mechanical Pressure switch with Protection class: II 2G Ex ia IIC T6 Gb for chemical applications
Pressure switch with perbunan diaphragm and pressure connector G 3/8“
Pressure range from 0,11...32 bar
Pressure switch with stainless steel bellows:
Pressure range from 1...30 bar
Pressure connector: G (G 1/4“ Female thread and stainless steel pressure connector)
High pressure switch with plastic plunger and stainless steel pressure connector:
Pressure range from 4... 250 bar
Pressure connector: H (G 3/8" Female thread, DIN 1725/2), stainless steel. VDE 0660, IEC 337-1, IEC 553-1
Applies for both ranges:
Ample wiring room
Easy to adjust, upper and lower switch points can be adjusted independently of each other
High repeatability
Easily read scale
Mining applications
| Order reference |
Upper |
Lower switch point adjustable (bar) |
Smallest diff.* (bar) |
Max. operating pressure (bar) |
Max. test pressure (bar) |
Standard setting (bar) |
Part No. |
|---|---|---|---|---|---|---|---|
| FF 4-2 AB DAH | 0,11 ... 2 | 0,04 ... 1,89 | 0,07 0,11 | 20 | 40 | 0,5 / 1,5 | 1030133 |
| FF 4- 4 AB DAH | 0,22 ... 4 | 0,07 ... 3,75 | 0,15 0,25 | 24 | 40 | 1 / 3 | 1030134 |
| FF 4- 8 AB DAH |
0,5 ... 8 | 0,2 ... 7,5 | 0,3 0,5 | 30 | 40 | 2 / 6 | 1030135 |
| FF 4-16 AB DAH |
1 ... 16 | 0,4 ... 15 | 0,6 1 | 36 | 48 | 4 / 12 | 1030136 |
| FF 4-60 AB PAH |
8 ... 60 | 4 ... 52 | 4 8 | 100 | 120 | 20 / 40 | 1030138 |
| FF 4-120 AB PAH |
16 ... 120 | 8 ... 104 | 8 16 | 200 | 240 | 20 / 80 | 1030139 |
| FF 4-250 AB PAH |
30 ... 250 | 14 ... 226 | 12 24 | 400 | 500 | 100 / 200 | 1030140 |
| * at lower ... higher end of range | |||||||
Chemical applications
| Order reference |
Upper |
Lower switch point adjustable (bar) |
Smallest diff.* (bar) |
Max. operating pressure (bar) |
Max. test pressure (bar) |
Standard setting (bar) |
Part No. |
|---|---|---|---|---|---|---|---|
| FF 4-2 AC DAH | 0,11 ... 2 | 0,04 ... 1,89 | 0,07 0,11 | 20 | 40 | 0,5 / 1,5 | 1030141 |
| FF 4- 4 AC DAH | 0,22 ... 4 | 0,07 ... 3,75 | 0,15 0,25 | 24 | 40 | 1 / 3 | 1030142 |
| FF 4- 8 AC DAH |
0,5 ... 8 | 0,2 ... 7,5 | 0,3 0,5 | 30 | 40 | 2 / 6 | 1030144 |
| FF 4-16 AC DAH |
1 ... 16 | 0,4 ... 15 | 0,6 1 | 36 | 48 | 4 / 12 | 1030145 |
| FF 4-12 AC DAH |
2 ... 32 | 0,8 ... 30 | 1,1 2 | 52 | 64 | 10 / 20 | 1030146 |
| FF 4-60 AC PAH |
8 ... 60 | 4 ... 52 | 4 8 | 100 | 120 | 20 / 40 | 1030147 |
| FF 4-120 AC PAH |
16 ... 120 | 8 ... 104 | 8 16 | 200 | 240 | 20 / 80 | 1030149 |
| FF 4-250 AC PAH |
30 ... 250 | 14 ... 226 | 12 24 | 400 | 500 | 100 / 200 | 1030150 |
|
* at lower ... higher end of range |
|||||||
Chemical applications
| Order reference |
Upper |
Lower switch point adjustable (bar) |
Smallest diff.* (bar) |
Max. operating pressure (bar) |
Max. test pressure (bar) |
Standard setting (bar) |
Part No. |
|---|---|---|---|---|---|---|---|
| FF 4-12 AC AAG |
1 ... 12 | 0,5 ... 11,2 | 0,5 0,8 | 12 | 16 | 6 / 7 | 1030131 |
| FF 4-30 AC AAG |
4 ... 30 | 1 ... 26,4 | 1,8 3,6 | 30 | 42 | 16 / 20 | 1030132 |
|
* at lower ... higher end of range |
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