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Instructions for Use
5.3.
Commissioning
The ComPass B is ready for operation after the following works have been completed: "Installation"
according to section 4, "Device configuration" according to section 5.1 and "Voltage calibration" ac-
cording to section 5.2.
6.
Technical Data
Mechanical data
Plug-in housing for panel mount
DIN-cutout dimensions in the switchgear
Weight of display unit
Degree of protection
Electrical data
Power supply
Power consumption
MV network parameters
Rated voltage
Frequency
Load current (single-phase)
Short-circuit trip current
Short-circuit response delay
Earth fault trip current
Earth fault response delay
Reset options
Current measurement accuracy:
0 A – 630 A
630 A – 1500 A
1500 A – 2000 A
Voltage measurement accuracy:
18
96 x 48 x 96 mm (W x H x D)
92
x 45
mm
+0.8
+0.6
240 g
IP40
Internal supply: 3.6 V lithium cell, with 20-year shelf life
>1000 h total flashing time of the LED
>1000 activations of the display
External supply: 24-230 V AC/DC ±10 %
<1 W (DC supply)
<1.5 VA (AC supply)
1–36 kV
50 Hz/60 Hz
0–630 A
50–2000 A
40 ms < t < 60 sec
20–1000 A (low-impedance/solidly earthed system)
5–200 A (isolated/resonant earthed system)
40 ms < t < 60 sec
by automatic reset (1 min to 24 h), or
via external contact, or
by means of the rocker switch on the front side, or
on restoration of voltage/current, or
via RS485/MODBUS interface
3 % (Resolution 1A)
5 %
10 %
≤ 10 % (automatic calibration)
≤ 1 % (when using reference voltage for voltage
calibration)
Dipl.-Ing. H. Horstmann GmbH
ComPass B 4023841-001
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