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Total Solution to Earthing & Lightning Protection |
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Mains power protection
ESP D/DS 10A & 32A Series (Single phase)
ESP D/DS 10A & 32A Series (Single phase) - Technical specification
ESP 120D-10A
ESP 120D-32A
ESP 240D-10A ESP 240D-32A ESP 277D-10A
ESP 277D-32A
Electrical specification
ESP 120DS-10A
ESP 120DS-32A ESP 240DS-10A
ESP 240DS-32A ESP 277DS-10A
ESP 277DS-32A
ABB order code
7TCA085460R0328 7TCA085460R0327 7TCA085460R0323 7TCA085460R0322 7TCA085460R0319 7TCA085460R0320
7TCA085460R0326 7TCA085460R0325 7TCA085460R0317 7TCA085460R0318 7TCA085460R0321 7TCA085460R0324
Nominal voltage - Phase-Neutral
U
o (RMS)
120 V
240 V
277 V
Maximum voltage - Phase-Neutral
U
c (RMS)
150 V
280 V
350 V
Temporary Overvoltage TOV
U
T
(1)
175 V
350 V
402 V
Short circuit withstand capability
10 kA/50 Hz
Working voltage (RMS)
90-150 V
200-280 V
232-350 V
Frequency range
47-63 Hz
Current rating (supply)
10 A or less
32 A or less
10 A or less
32 A or less
10 A or less
32 A or less
Max. back-up fuse (see installation instructions)
10 A
32 A
10 A
32 A
10 A
32 A
Leakage current (to earth)
Zero
Indicator circuit current
< 10 mA
Volt free contact (DS versions only):
(2)
Screw terminal
– Current rating
1 A
– Nominal voltage (RMS)
250 V
ESP 120D-10A
ESP 120D-32A
ESP 240D-10A ESP 240D-32A ESP 277D-10A
ESP 277D-32A
Transient specification
ESP 120DS-10A
ESP 120DS-32A ESP 240DS-10A
ESP 240DS-32A ESP 277DS-10A
ESP 277DS-32A
Type 1 (BS EN/EN), Class I (IEC)
Nominal discharge current 8/20 μs (per mode)
I
n
20 kA
Let-through voltage
U
p at
I
n
< 1 kV
< 1.3 kV
< 1.4 kV
Impulse discharge current 10/350 μs
I
imp (L-N/E, N-E)
(4)
4 kA, 12.5 kA
Let-through voltage
U
p at
I
imp
(3)
< 1 kV
< 1.2 kV
< 1.3 kV
Total discharge current (total to earth)
I
total
(4,5)
6.25 kA
Type 2 (BS EN/EN), Class II (IEC)
Nominal discharge current 8/20 μs (per mode)
I
n
20 kA
Let-through voltage
U
p at
I
n
< 1 kV
< 1.3 kV
< 1.4 kV
Maximum discharge current
I
max (L-N/E, N-E)
(4)
40 kA, 40 kA
Type 3 (BS EN/EN), Class III (IEC)
Let-through voltage at
U
oc of 6 kV 1.2/50 μs and
Is
c of 3 kA 8/20 μs (per mode)
(3,6)
400 V
600 V
680 V
ESP 120D-10A
ESP 120D-32A
ESP 240D-10A ESP 240D-32A ESP 277D-10A
ESP 277D-32A
Mechanical specification
ESP 120DS-10A
ESP 120DS-32A ESP 240DS-10A
ESP 240DS-32A ESP 277DS-10A
ESP 277DS-32A
Temperature range
-40 to +80 °C
Connection type
Screw terminal - maximum torque 0.8 Nm
(7)
Conductor size (stranded)
6 mm
2
Earth connection
Screw terminal - maximum torque 0.8 Nm
(7)
Volt free contact (DS versions only)
Connect via screw terminal with conductor up to 1.5 mm
2
(stranded) - maximum torque 0.25 Nm
(7)
Degree of protection (IEC 60529)
IP20
Case material
FR Polymer UL-94 V-0
Weight: – Unit
0.23 kg
– Packaged
0.25 kg
Dimensions to DIN 43880 - HxDxW
(8)
90 mm x 75 mm x 36 mm (2TE)
*To enclose the products to IP65, fit within a WDX D4, available from Furse
(1)
Temporary Overvoltage rating is for a maximum duration of
5 seconds tested to BS EN/EN/IEC 61643
(2)
Minimum permissable load is 5 V DC, 10 mA to ensure
reliable operation
(3)
The maximum transient voltage let-through of the protector
throughout the test (±10%)
(4)
The electrical system, external to the unit, may constrain the
actual current rating achieved in a particular installation
36 mm
90mm
45mm
50 mm 25 mm
Standard
depth
75 mm
(5)
Rating is considered as the current capability of the protector
for equipotential bonding near the service entrance
(6)
Combination wave test within IEC/BS EN 61643,
IEEE C62.41-2002 Location Cats C1 & B3, SS 555:2010,
AS/NZS 1768-2007, UL 1449 mains wire-in
(7)
Torque should typically be 50% to 75% of the maximum value
(8)
The remote signal contact (removable) adds 10 mm to height