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Item Function/Designation
1 Supply voltage connection
2
Current measurement inputs I5 to I8 for
·Measurement of an additional system (L1, L2, L3, N)
·Single channel measurements
3
Current measurement inputs I1 to I4 for
·Measurement of one system (L1, L2, L3, N)
·Single channel measurements
4
“Hazard symbol” – General warning symbol.
Be certain to observe the warning notices applied to the device and shown in the usage informa-
tion in order to avoid possible injury or even death.
5 USB port (2.0), type A
6 Ethernet port (RJ45)
7 Ethernet port (RJ45)
8 Battery compartment (type Lithium CR2032, 3 V, UL 1642 approved)
9
"Hazard symbol" – Warning symbol indicating an electrical hazard.
Be certain to observe the warning notices applied to the device and shown in the documentation in
order to avoid possible injury or even death.
10 Voltage measurement inputs V1, V2, V3 and VN
11 Connections for functional earth
12
Connections for residual current (RCM) and temperature measurement, mA current measuring
channels
13 1 analog output
14 4 digital inputs
15 4 digital outputs
16 RS-485 interface
17 DIP switch for RS-485 termination – see chapter „9.3.3 Bus structure (bus segment)“ on page 51
18 Device display
19 Underside of the device: JanBus interface (bus connector connection, module connection)
20 Function buttons 1 - 6 (see chapter „10.2 Function buttons“ on page 56).
21 Device designation and manufacturer logo
22
Symbol "Protection class" - Protection class II
(reinforced or double insulation) according to IEC 60536 (VDE 0106, Part 1).
Tab: Device structure - Connections and controls