Output Connections; Load Connection - ABB DPA 250 S4 Operating Manual

76 D PA 2 5 0 S 4 5 0 - 2 5 0 K W O P E R AT I N G M A N U A L
MAINS INPUT CABLE
There is a cable-fixing rail below the connection terminal of the UPS to ensure that the cables have been
fastened properly. Keep the phase rotation in a clockwise direction
9.4.2
NOTE
NOTE
To ensure protection of the personnel during the installation of the UPS make sure that the connec-
tions are performed under the following conditions:
• No mains voltage is present
• All Loads are shut down and disconnected
• UPS is shut down and voltage-free
• UPS Modules are fitted in correct position
• Maintenance Bypass Q1 is open and in the OFF position
• First of all connect the ground-wire to the terminal X7-PE (PE).
9.4.2.1
To achieve correct output cabling and protection, please refer to chapter 9.3.
The load cable should be connected to the UPS terminal block according to the following table:
GROUND (EARTH)
UPS TERMINAL
Phase L1
Phase L2
Phase L3
Neutral
GROUND (EARTH)

Output connections

TO ENSURE CORRECT OPERATION OF THE UPS, THE LOADS CONNECTED TO THE OUTPUT MUST NOT
EXCEED THE HARMONIC CURRENTS LEVELS PERMITTED IN IEC 61000-3-2 (load ≤ 16 A),
IEC 61000-3-12 (16 A < load ≤ 75 A), or IEC/TS 61000-3-4 (load >75 A); IF THE INDICATED VALUES ARE
EXCEEDED PLEASE CONTACT THE MANUFACTURER
FOR ASYMMETRIC LOADS REQUIRING THE CIRCULATION OF A.D.C CURRENT HIGHER THEN 10% OF THE
NOMINAL CURRENT, PLEASE CONTACT THE MANUFACTURER.

Load connection

OUTPUT CABLE UPS OUTPUT TERMINAL
Phase L1
Phase L2
Phase L3
NEUTRAL
BYPASS INPUT CABLE
X3.1:L1
X3.2:L2
X3.3:L3
X6:N
X7:PE
X2.1:L1
X2.2:L2
X2.3:L3
X6:N
X7:PE
UPS TERMINAL BYPASS
Phase L1 X4:L1
Phase L2 X4:L2
Phase L3 X4:L3
Neutral N/N