Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
Control box Control NT
Version: 27248 - C
17
Subject to technical changes
5
Technical Data
Parameter
Comments
Dimensions
[mm] 270 x 205 x 95
ENVIRONMENT
Ambient temperature
[°C] - 25 ... + 55°C
Degree of protection
IP65
Only if unused cable screw
connections are sealed with
plugs
POWER SUPPLY
Mains voltage
[V AC]
[V AC]
207 ... 276V AC
360 ... 480V AC
with 1-phase operation
with 3-phase operation
Mains frequency
[Hz] 45 ... 65Hz
PUMP OUTPUT
Rated current
[A] see namepalte
Minimum current
[A AC] 0,3A AC
Limit value for undercurrent
error
Duration for undercurrent error
[s] 60
Disable time
[s] 2
RELAY OUTPUTS
„Pump on“ und „Malfunction“
Switching voltage
[V AC] max. 276V AC
Switching current
[A AC] max. 3A AC
PIEZO BUTTON
Voltage on button and LED
[V DC] 22,5 ... 25,5V DC
Switching threshold for button
[V DC] 10 ... 14V DC
LED current
[mA DC] max. 30mA DC
AIR BUTTON
Hose length
[m] max. 20m
Rubber hose
inside diameter ø2,25x1mm
Male coupling for hose connector
ø3,6mm
Mains / Pump CONNECTION TERMINALS
cross-section rigid
cross-section flexible
with
end splice
max. 4,0 qmm
max. 2,5 qmm
CONNECTION TERMINALS for Control and Feedback
Contacts
cross-section rigid
cross-section flexible
with
end splice
0,5 - 1,5 qmm
0,5 - 1,0 qmm
OVERCURRENT MONITORING
IEC 60947-4-1
CLASS 10
