Furse Total Solution to Earthing & Lightning Protection

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9AKK106354A3360

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ESP DC Series - Technical specification

Electrical specification

ESP 12 DC

ESP 24 DC

ESP 36 DC

ESP 48 DC

ABB order code

7TCA085460R0073 7TCA085460R0091 7TCA085460R0100 7TCA085460R0142

Nominal voltage (DC)

12 V

24 V

36 V

48 V

Maximum voltage (DC)

15 V

30 V

45 V

60 V

Working voltage (DC)

9-15 V

18-30 V

27-45 V

36-60 V

Max. back-up fuse (see installation instructions)

≤ 63 A

Leakage current (to earth)

< 250 μA

Indicator circuit current

< 10 mA

Volt free contact:

(1)

Screw terminal

– Current rating

1 A

– Nominal voltage (RMS)

250 V

Transient specification

ESP 12 DC

ESP 24 DC

ESP 36 DC

ESP 48 DC

Type 2 (BS EN/EN), Class II (IEC)

Nominal discharge current 8/20 μs (per mode)

5 kA

Let-through voltage

p at

(2)

250 V

Maximum discharge current

max (per mode)

(3)

20 kA

Type 3 (BS EN/EN), Class III (IEC)

Let-through voltage at

oc of 6 kV 1.2/50 μs and

c of 3 kA 8/20 μs (per mode)

(2,4)

190 V

Mechanical specification

ESP 12 DC

ESP 24 DC

ESP 36 DC

ESP 48 DC

Temperature range

-40 to +80 °C

Connection type

Screw terminal - maximum torque 1.5 Nm

Conductor size (stranded)

16 mm

Earth connection

Screw terminal - maximum torque 1.5 Nm

Volt free contact

Connect via screw terminal with conductor up to 2.5 mm

(stranded) - maximum torque 0.25 Nm

Degree of protection (IEC 60529)

IP20

Case material

Steel

Weight: – Unit

0.6 kg

– Packaged

0.7 kg

Dimensions

180 mm x 60mm x 73 mm

(1)

Minimum permissable load is 5 V DC, 10 mA to ensure

reliable operation

(2)

The maximum transient voltage let-through of the protector

throughout the test (±10%) per mode

(3)

The electrical system, external to the unit, may constrain the

actual current rating achieved in a particular installation

(4)

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

M5 Clearance

Note: The unit takes

up 20 mm of the length

of the fixing screw

Depth:

73 mm

60 mm

45.5 mm

180 mm

165 mm

Mains power protection

ESP DC Series