Specifications - WIKA ELS Betriebsanleitung

9. Specifications

9. Specifications
Specifications
External chamber
EN
Electrical
connection
Process
connection
Max. operating
pressure
Guide tube
Float
Temperature range -30 ... +150 °C
Grenzdichte
Switching function Change-over
Max. number of
contacts
Switching power,
change-over
Mounting position
Ingress protection
For further specifications see data sheet LM 30.03
18
Model ELS-A Model ELS-B Model ELS-S
Aluminium AlMg5 Red bronze Rg5
Connection housing, aluminium 64 x 58 x 34 mm
Cable entry in the direction of the process connection (other
alignment on request)
Compression fitting with ferrule
GE10-LR
Galvanised steel Brass
1 bar 6 bar
Material: Stainless steel 1.4571
Diameter: 12 mm
Material: Stainless steel 1.4571, Buna (NBR) or
titanium 3.7035
Float diameter: 40 ... 52 mm
ρ ≥ 600 kg/m³
Switch position fixed (centred, see drawing)
1 change-over
AC ≤ 230 V; 40 VA; 1 A
DC ≤ 230 V; 20 W; 0,5 A
Vertical ±30°
IP65 per IEC/EN 60529
Operating instructions float switch, model ELS
Stainless steel 1.4571
Flange connection
■
Threaded nipple
■
Threaded bushing
■
Compression fitting
■
with ferrule GE10-LR,
stainless steel (other
sizes on request)
Chamber end top:
Ø 100 = 1 bar
Ø 130 = 40 bar
The maximum pressure
is also limited by the float.