Emergency-Off Function (Epo); Figure 10: Epo Plug - online ZINTO E-Serie Benutzerhandbuch

5.4

Emergency-off function (EPO)

The emergency-off function (EPO = Emergency Power-Off) is used
for the immediate, remote deactivation of the UPS system and the
connected consumers. For this purpose, the EPO plug (rear of UPS
system, see Figure 10) must be removed and an external emergen-
cy-off switch must be connected.
Connection cable cross-section = 0.32 - 4 mm
Recommended connection cable cross-section = 1.5 mm

The emergency-off switch may not be connected to circuits
that are connected with the mains power supply network. A
reinforced insulation to the mains is required the emergency-
off switch must be dimensioned for at least 24 V and 20 mA.
An opening contact must be used. For proper operation, the
emergency-off function must remain active for at least 250
ms

If the emergency-off function is activated, the input voltage of
the UPS system must additionally be disconnected

Leave the EPO connector in the emergency-off connector
plugged into the UPS system if the emergency-off function is
not required

Always test the emergency-off function before a critical load
is connected. This will prevent an unintended load breaking
For the position of the EPO plug, see Figure 16 and Figure 17.
ZE1000-3000_manual_ger_eng_it_V1.0.3
CAUTION
NOTE

Figure 10: EPO plug

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C O M M U N I C A T I O N
(AWG 22 - 12)
2
(AWG 18)
2
R. Kistler