ELECTRICAL SPECIFICATIONS
COMPONENT LAYOUT
View from front and top
10V relay terminal,
power and inputs
Rs485
bus terminal
“Power”
led
(red)
“Access”
led
(red/green)
“Do not disturb”
led
(yellow)
“In room”
led
(yellow)
230V
relay terminal
The above illustrated barred bin indicates that this device must be disposed of separately. Thus, do
not dispose of this product as urban waste at the end of its life cycle. Specific waste collection
systems must be used for this type of waste or the device can be returned to the dealer when
purchasing a similar new product. Make sure this product is correctly discarded, avoiding improper
use, to contribute in preventing potentially negative environmental and health impacts, since it
contains potentially hazardous substances. The product must be disposed of in accordance with
current waste disposal regulations. Polluting with this type of waste (RAEE) is punishable by law. In
the event of polluting, the user risks the administrative sanctions set forth by Legislative decree
22/1977 articles 50 and subsequent as amended by Legislative decree 152/06, as amended; by
Legislative decree 151/05 article 16 as amended.
Difra
is a part of the UNA Automation System
manufactured and sold by Master Srl Divisione Elettrica
Via Mario Tognato 16 - 35042 ESTE (Padova) - ITALIA
Tel. +39 0429 602777 Fax +39 0429 601247
RoHS
COMPLIANT
Ÿ
Power:
12Vac
Ÿ
Absorbed power:
Absorbed power with 2 powered relays: 2W
Absorbed power with 2 idle relays: 0.5W
Ÿ
Relay terminal specifications with SPST-NO type contacts:
Cos
= 1 resistive load:
5 A at 250 VAC
5 A at 30 VDC,
Ÿ
Maximum switch voltage:
12A at 250 Vac
Ÿ
Maximum switch current:
5A
Ÿ
Maximum switch power:
1,250 VA
Warning:
If terminals are removed, cut-off power upstream (using the
circuit breaker). Removal when live could cause sparks, rusting pins
which could jeopardise good operations over time.
Ÿ
Working temperature:
from -20°C to +85°C
Ÿ
Room humidity:
from 0% to 85%
BOARD ASSEMBLY
Difra is set to be installed on a 3 module rack for Modo and Mix series with
rear mount (art. 38003) and can be complete with 3-module plates Vitra,
Modo, Mix or Retrò.
Difra installation on other larger-sized racks (4, 7 or 12 slots) or on 4-
module tilted table box, may need to be accompanied by false poles. We
recommend you consult Master before proceeding with these types of
installations.
Difra
Installation manual • ENGLISH
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