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f l ow con t ro l v a l v e s & a c c e s sor i e s
4
b s p/me t r i c
The company reserves the right to vary models and dimensions without notice.
These products are designed for industrial applications and are not suitable for sale to the general public.
185
B S P / M E T R I C
Dimensions in millimeters (mm)
Series PM - adjustable-diaphragm pressure switches
Mod.
Function
Max Voltage Max Power Service Type Insulation voltage Symbol
PM11-NC NC = normally
closed
48 V AC DC 24 VA
Heavy
500 V
PMNC
PM11-NA NA = normally open 48 V AC DC 24 VA
Heavy
500 V
PMNO
PMNC = normally closed
PMNO = normally open
Series PM681-... - pressure switches with setting visual scale
In compliance with EN60730 standards
Electric connection: PVC cable 2 x 0.22 mm
Electric contact: Reed SPST Normally Open Contact
Body in anodized aluminium and threaded fitting in brass
Hysteresis: 0.8 bar max
Mod.
L Max switch
voltage
Max switch
current
Max switch
capacity
Max fluid
temperature
Max
pressure
Setting
range
Weight
PM681-1 1 m 48 V
0.5 A
10 W 60°C 20 bar
1 - 6 bar
95 g
PM681-3 3 m 48 V
0.5 A
10 W 60°C 20 bar
1 - 6 bar
95 g
Series PM - pressure switch with exchange contacts (SPDT contacts)
DIMENSIONS
Mod.
Function Max Voltage Operating
Temperature
Actuation time Setting range Max Hysteresis
PM11-SC SC (*)
250 V AC
30 V DC
- 25 C°
+ 85 C°
> 0,1 ms
2 - 10 bar
0.8 bar
A = Locking Set Screw
B = PRESSURE ADJUSTMENT
SCREW
(*) SC = exchange contacts