Danfoss压力开关KPS.doc

Danfoss压力开关KPS
Data sheet
Pressure switches and thermostats
Type KPS
10/
520B0782
? Danfoss A/S 10-2003

? Danfoss A/S 10-2003
3
Pressure switches and thermostats, type KPS
Switch
Single pole changeover (SPDT)
Contact material: Gold-plated silver contactContact load
1. Alternating current:Ohmic:10 A, 440 V, AC-1Inductive:6 A, 440 V, AC-3
4 A, 440 V, AC-15
Starting current max. 50 A (locked rotor)2. Direct current:12 W, 220 V, DC-13
See curve, fig. 4
Ambient temperature
KPS 31 - 39: –40 to +70 °CKPS 43 - 47: –25 to +70 °C
Temperature of mediumKPS 31 - 39: –40 to +100 °CKPS 43 - 47: –25 to +100 °C
For water and seawater, max. 80° resistance
Vibration-stable in the range 2-30 Hz,amplitude mm og 30-300 Hz, 4
IP 67 to IEC 529 an DIN 40050.
The pressure switch housing is enamelledpressure die cast aluminium (GD-AlSi 12).The cover is fastened by four screws whichare anchored to prevent loss.
The enclosure can be sealed with entry
Pg for cable diameters from 5 to 14
The type designation and code no. of the unitis stamped in the side of the accuracy
KPS 31:KPS 33:KPS 35:KPS 37:
± bar± bar± bar± bar
KPS 39:KPS 43:KPS 45:KPS 47:
± bar± bar± bar± bar
Mean value of snap point variation after400 000 operations
KPS 31:
± bar± bar± bar± bar
KPS 39:KPS 43:KPS 45:KPS 47:
± bar± bar± bar± bar
Fig. 4. .-load
Curve A gives the maximum load.
Hatched area B: Acceptable load for thegold plating of the in contact with the medium
KPS 31, 33KPS 35, 37,39KPS 43, 45, 47
Bellows capsule:Bellows:
Pressure connection:Bellows:
Pressure connection:Diaphragm capsule:Diaphragm:
KPS 33:KPS 35:KPS 37:
Deep-drawn plate,Stainless steel,Steel C20,Stainless steel,Brass,
Nickel-plated brass,Nitrile-Butadien rubber
ma