MASTER HE
SPTMHEE3T16FREN
23
12.4.
Battery cabinet
The battery cabinets are available with the following characteristics:
•
protection fuse and switching disconnectors;
•
Protection degree IP20 with front door open;
•
Complete with batteries or empty with connection cables between the compartments (cells).
The size is (WxDxH): 860 x 800 x 1900 mm, weight 200 Kg (empty).
Such battery cabinets can be connected in parallel to reach the required autonomy; for more than 2 in parallel it is advisable
to add a single module cabinet where the paralleling of the cables can be connected. Below an installation example is
provided:
12.5.
Starting up from battery (Cold Start)
This device makes it possible to switch on the UPS even in the event of a mains failure using only the battery energy.
12.6.
UGS - UPS Group Synchroniser
This allows 2 systems connected in a “
DUAL BUS
” configuration to keep synchronised with each other for any variation in
the mains voltage, including total failure. The UGS also allows an RIELLO UPS to be synchronised with another power
source or to an independent non RIELLO UPS system, even one of a different power rating.
The UGS box is designed to be wall-mounted:
•
Dimensions (W x D x H): 150 x 70 x110 mm
•
Weight: 2 Kg
12.7.
PSJ - Parallel Systems Joiner
This allows two UPS units to be connected in parallel, with the system on (without interrupting output) by means of a power
coupling switch in accordance with the system indicated in Chapter 4
(Dynamic Dual Bus System)
.
The PSJ box is designed to be wall-mounted:
•
Dimensions (W x D x H): 300 x 220 x120 mm
•
Weight: 2 Kg
12.8.
Isolating transformers
Cabinets with a delta/star bypass isolation transformer are available. Such transformers can also be used to recreate the
power supply neutral where this is not present.
In the case of installations with external maintenance bypass, contact the commercial office.
Battery switch
cabinet