User Manual
Specifications are subject to change without notice (13.08.2010) 1
Mounting Relay Ordering no. Ordering no. Ordering no.
Supply: 24 VAC/DC Supply: 115 VAC Supply: 230 VAC
DIN-rail DPDT CLD2EA1CM24 CLD2EA1C115 CLD2EA1C230
11-p circular plug CLP2EA1CM24 CLP2EA1C115 CLP2EA1C230
Conductive Sensors
2-point level controller
Type CL with potentiometer
• Conductive level controller
• Sensitivity adjustment from 250 Ω to 500 KΩ
• For filling or emptying applications
• Low-voltage AC electrodes
•
Easy installation on DIN rails or with 11 pin circular
plug
• Rated operational voltage:
24 VAC/DC, 115 VAC or 230 VAC
• Output 2 x 8A/250 VAC DPDT relay
• LED indication for: Output ON and Power ON
Ordering KeyProduct De scrip tion
Max./min. control of charging/
discharging. The sensitivity is
adjustable by means of the
potentiometer and the rotary
switch.
2 x 8A DPDT relay output.
Conductive level
DIN rail or plug mounting
No of inputs
Charge/discharge
Adjustment potentiometer
1 relay output
Relay DPDT
Power supply
µ-Processor based level
controller for liquids with a
wide sensitivity range (like
sewage water, chemicals, salt
water etc.).
Type Selection
Specifications
Rated operational voltage (U
B
)
Pin 2 & 10 230 195 to 265 VAC, 45 to 65 Hz
115 98 to 132 VAC, 45 to 65 Hz
Supply class 2 24 19.2 to 28.8 VAC/DC
Rated insulation voltage <2.0 kVAC (rms)
Rated impulse withstand
voltage 4 kV (1.2/50 µs) (line/neutral)
Rated operational power
AC supply 5 VA
AC/DC supply 5 VA / 5 W
Delay on operate (t
V
) < 300 mS
Outputs
Rated insulation voltage 250 VAC (rms) (cont./elec.)
Relay Rating (AgCdO) µ (micro gap)
Resistive loads AC1 8 A / 250 VAC (2500 VA)
DC1 1 A / 250 VDC (250 W)
or 10 A 25 VDC (250 W)
Small induc. Loads AC15 0,4 A 250 VAC
DC13 0,4 A / 30 VDC
Mechanical life (typical) ≥ 30 x 10
6
operations
@ 18’000 imp/h
Electrical life (typical) AC1 > 250’000 operations
Level probe supply Max. 5 VAC
Level probe current Max. 2 mA
Sensitivity 250Ω to 500KΩ
Factory settings standard
range “S” 100KΩ
Ranges L (Low sensitivity) 250 Ω to 5 KΩ, C
F
= 4.7 nF*
Ranges S (Standard sensitivity) 5 KΩ to 100 KΩ, C
F
= 2.2 nF*
Ranges H (High sensitivity) 50 KΩ to 500 KΩ, C
F
= 1.0 nF*
Dielectric voltage >2.0 KVAC (rms)
(contacts / electronics)
Rated impulse withstand volt. 4 kV (1.2/50 µS) (contacts /
electronics) (IEC 664)
Operating frequency (f)
Relay output 0.5 HZ
Response time
OFF-ON (t
on
) 1 s
ON-OFF (t
off
) 1 s
Environment
Overvoltage category III (IEC 60664)
Degree of protection IP 20 /IEC 60529, 60947-1)
Pollution degree 2 (IEC 60664/60664A,
60947-1)
Temperature
Operating -20º to +50ºC (-4º to + 122ºF)
Storage -50º to +85ºC (-58º to +185ºF)
Housing material CLP NORYL PPO, light grey
CLD ABS VO, light grey
Weight
AC supply 200 g
AC/DC supply 125 g
UL Approvals cus UL508, UL325, CSA-C22.2
No.247
CE marking Yes
CLD2EA1CM24
*C
F
= maximum Cable Capacitance