Pressure switch FF 444

Pressure switch FF 444

Pressure switch with UL / CSA- approval

Pressure range from 3...870 psi

Change-over contact

product description Pressure switch FF 444

Mechanical Pressure switch with UL / CSA- approval, IP 65
Pressure range from 3...870 psi
Pressure connector: F (1/4”-18 NPTF), ALSi 12 or stainless steel
Cable gland 1/2“ 14 NPTF is fitted as standard on these units
VDE 0170 /0171 /0660, IEC 337-1, IEC 553-1

Order
reference

Upper
switch point
adjustable (psi)

Lower
switch point
adjustable (psi)
Smallest
diff.*
(psi)
Max.
operating
pressure (psi)
Max.
test
pressure (psi)
Standard
setting

(psi)
Part No.
FF444-V2 DAF 3 ... 58 1 ... 54 2 4 348 580 14 / 44 1010309
FF444-V4 DAF 15 ... 232 6 ... 217 9 14 522 696 58 / 174 1010311
FF444-V6 PAF 116 ... 870 58 ... 754 58 116 1450 1740 290 / 580 1010299
          * at lower ... higher end of range