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ESP 240/XXX Series - Technical specification
Electrical specification
ESP 240/I/TNS
ESP 240/III/TNS ESP 240/I/TNC
ESP 240/III/TNC ESP 240/I/TT
ESP 240/III/TT
ABB order code
7TCA085460R0019 7TCA085460R0022 7TCA085460R0018 7TCA085460R0021 7TCA085460R0020 7TCA085460R0023
Nominal voltage - Phase-Neutral
U
o (RMS)
240 V
Maximum voltage - Phase-Neutral
U
c (RMS/DC)
320 V/420 V
Temporary Overvoltage TOV
U
T
(1)
350 V
Short circuit withstand capability
25 kA/50 Hz
Frequency range
47-63 Hz
Max. back-up fuse (see installation instructions)
250 A
Leakage current (to earth)
≤ 250 A
< 2.5 mA
< 2.5 mA
< 2.5 mA
0
0
Volt free contact:
Screw terminal
– Current rating
0.5 A
– Nominal voltage (RMS)
250 V
Transient specification
ESP 240/I/TNS
ESP 240/III/TNS ESP 240/I/TNC
ESP 240/III/TNC ESP 240/I/TT
ESP 240/III/TT
Type 1 (BS EN/EN), Class I (IEC)
Nominal discharge current 8/20 μs (per mode)
I
n
25 kA
25 kA
25 kA
25 kA
25 kA/100 kA (N-E) 25 kA/50 kA (N-E)
Let-through voltage
U
p at
I
n
(2)
< 1.4 kV
< 1.4 kV
< 1.4 kV
< 1.4 kV
< 1.4 kV
< 1.4 kV
Impulse discharge current 10/350 μs
I
imp (per mode)
(2)
50 kA
25 kA
50 kA
25 kA
50 kA/100 kA (N-E) 25 kA/50 kA (N-E)
Let-through voltage
U
p at
I
imp
(2)
< 1.2 kV
< 1.2 kV
< 1.2 kV
< 1.2 kV
< 1.2 kV
< 1.2 kV
Let-through voltage
U
p at 1.2/50 μs (N-E, TT system)
–
–
–
–
< 1.2 kV
< 1.2 kV
Type 2 (BS EN/EN), Class II (IEC)
Nominal discharge current 8/20 μs (per mode)
I
n
25 kA
25 kA
25 kA
25 kA
25 kA/100 kA (N-E) 25 kA/50 kA (N-E)
Let-through voltage
U
p at
I
n
(2)
< 1.4 kV
< 1.4 kV
< 1.4 kV
< 1.4 kV
< 1.4 kV
< 1.4 kV
Maximum discharge current Imax (per mode)
(3)
100 kA
100 kA
100 kA
100 kA
100 kA/160 kA (N-E) 100 kA/100 kA (N-E)
Mechanical specification
ESP 240/I/TNS
ESP 240/III/TNS ESP 240/I/TNC
ESP 240/III/TNC ESP 240/I/TT
ESP 240/III/TT
Temperature range
-40 to +80 °C
Connection type
Screw terminal - maximum torque 4.5 Nm
Conductor size (stranded)
25 mm
2
Earth connection
Screw terminal - maximum torque 4.5 Nm
Degree of protection (IEC 60529)
IP20
Volt free contact
Connect via screw terminal with conductor up to 1.5 mm
2
(stranded) - maximum torque 0.25 Nm
Case material
FR Polymer UL-94 V-0
Mounting
Indoor, 35 mm top hat DIN rail
Weight: – Unit
0.84 kg
0.44 kg
0.44 kg
0.29 kg
0.68 kg
0.44 kg
– Packaged
0.94 kg
0.54 kg
0.54 kg
0.39 kg
0.78 kg
0.54 kg
Dimensions to DIN 43880 - HxDxW
(4)
90 mm x 68 mm 90 mm x 68 mm 90 mm x 68 mm 90 mm x 68 mm 90 mm x 68 mm 90 mm x 68 mm
x 72 mm (4TE)
x 36 mm (2TE)
x 36 mm (2TE)
x 36 mm (2TE)
x 72 mm (4TE)
x 54 mm (3TE)
72 mm
ESP 240/I/TNS
ESP 240/I/TT
54 mm
ESP 240/III/TT
36 mm
90 mm
ESP 240/III/TNS
ESP240/I/TNC
ESP240/III/TNC
45 mm
51 mm
Standard
depth
68 mm
(1)
Temporary Overvoltage rating is for a maximum duration of
5 seconds tested to BS EN/EN/IEC 61643
(2)
The maximum transient voltage let-through of the protector
throughout the test, phase to earth and neutral to earth
(3)
The electrical system, external to the unit, may constrain the
actual current rating achieved in a particular installation
(4)
The remote signal contact (removable) adds 10 mm to height
Mains power protection
ESP 240/XXX Series