Last update: 13/10/14
1
FL3
–
Electric signal flow switch
Technical manual:
E 803-04
Electro-mechanical device in which the fluid passage moves a magnetized piston that closes an
electric circuit.
DN10
TECHNICAL SPECIFICATIONS
Rated voltage: 12 ÷ 230 V AC/DC Max commutable power : 60VA
Cable length: 1250 mm Electric wire: 2 x 0,50mm
2
Ambient temp: 75°C Type of action: 1C
Max current: 3 A
Electrical component life: from 100.000 to 1.000.000 commutations at max power.
Pollution situation of the device control: High
PART
NUMBER
RATED
PRESSURE
bar - MPa
PERMISSIBLE
PRESSURE
bar - MPa
MAX FLOW
RATE
l/min
MIN FLOW
RATE
INTERVENT.
l/min
MAX TEMP FLUID
°C
WEIGHT
g
28.0500.10
250 - 25
280 - 28
30
3
(1) 75
275
28.0540.10
250 - 25
280 - 28
30
3
(2) 75
290
28.0530.10
*
250 - 25
280 - 28
30
3
(1) 75
290
28.0535.00*
250 - 25
280 - 28
30
3
(2) 75
305
* Version with 1/4Bsp guage port
(1)
The flow switch has been designed for a continuous use at a water temperature of 50°C. It can resist for short periods at a maxi-
mum temperature of 75°C.
(2)
The flow switch has been designed for a continuous use at a water temperature of 75°C
•
28.0500.10 G3/8 MM
•
28.0530.10 G3/8 MM + G1/4 F
•
28.0540.10 G3/8 MM Magnetholder OT
-Reed switch with high resistance.
-Electrical insulation: class
IP55
-Reduced dimensions both axial and lateral.
-Magnetic drive obtained by the plunging piston
movement.
-Magnet covered by plastic casing to minimize
the braking effect of metal particles and scale.
-Wire for earth
- * Version with ¼ Bsp gauge port.
