UZK24.121, UZO24.121

U-Series

Install the device in an enclosure providing protection against electrical, mechanical and fire hazards. Ensure sufficient

ventilation by following the requirements of the EN 50272-2.

CAUTION: The unit contains wet cell batteries. Ventilation of the installation room in accordance with the rules of

Canadian Electrical Code, part 1 is required if used in Canada.

The battery module is for use in a controlled environment. Do not use the device in pollution degree 3 areas without

additional protection or in applications where a degree of protection better than IP00 is required.

Do not use batteries other than the original batteries supplied by the manufacturer to avoid conflicts with agency

approvals.

The maximum surrounding air temperature is +50°C / +122°F. The operational temperature is the same as the ambient

or surrounding air temperature and is defined as the air temperature 2cm below the device.

Fig. 8-1 Wiring scheme

Battery

DC-UPS

Data/

Temp.

(11)

RTN

(12)

Center

Tap

(13)

X1

(+)

X2

(-)

Battery

wires

(+)

(

X1

UZK24.121

Battery Module

Temp.

(11)

RTN

(12)

Center

Tap

(13)

optional

Load

Output

Input

(+)

(-)

The device is suitable for use in Class I Division 2 Groups A, B, C, D locations and for use in Group II Category 3 (Zone 2)

environments.

ATEX Certificate: EPS 15 ATEX 1 025 X

ATEX Classification: II 3G EX ec IIC T4 Gc

WARNING EXPLOSION HAZARDS!

Substitution of components may impair suitability for this environment. Do not disconnect the device unless power has

been switched off or the area is known to be non-hazardous.

A suitable enclosure must be provided for the end product which has a minimum protection of IP23 and fulfils the

requirements of the EN 60079-15. Sufficient ventilation must be ensured in the final installation.

Do not use batteries other than the original batteries supplied by the manufacturer or batteries, which are approved

according to EN/ IEC 60079-7.

Aug. 2017 / Rev. 2.0 DS-UZK24.121-EN

All parameters are typical values specified at, 25°C ambient temperature unless otherwise noted.

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Germany

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