Filter
Top Products
Symmetra MW II 1200 kW 3 x 400/230 V Installation - 990-1979E-0016
External disconnection switches
Warning: The UPS has no built-in disconnect devices to switch off external AC (Q1 and
Q5) and DC (Q7 and Q8) input power. Ensure that the disconnect devices are available
as separate components for this installation.
Note: The installer must provide each external disconnect device for this UPS system with
labels displaying the following text: “Isolate the Uninterruptible Power Supply (UPS) as
instructed in the User Guide before working on the circuit.”
Input/Output wiring precautions
Warning: Only personnel trained in the construction and operation of the equipment,
and the electrical and mechanical hazards involved, must install or remove system
components.
Warning: Before you start the installation, verify that all AC and DC power source
breakers are in the open position.
Warning: Supply the UPS from a 3 × 400/230 V, L1, L2, L3, N, PE source or a high-
impedance grounded system.
Caution: All wiring to be in accordance with applicable national and/or local electrical
wiring rules.
Note: Use only copper conductors.