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7
UR21S-MOI-IT-W-ML-10-22-Rev0
Watts Water Technologies, Inc.
EN
Warranty
Warranty of the products is indicated in the General Sale Condi-
tions to which reference is made
Accessories and Spare Parts
•
Relay Card with n. 4 SPDT relay UZR20.4
•
Display Board with Relay DR (Det.Name)
•
Display Board without Relay DN (Det.Name)
•
PhotoMOS Card UZS20..
•
Test Kit TUL40..
•
Service Terminal Kit TUS40..
Dimensions and Weight
Dimension (HxWxD): 155x100x60mm. Weight: 0,65Kg
L
egend of ATEX Marking
Marking in compliance with all applicable Directives
Marking for all equipment in conformity to ATEX
2014/34/EU Directive
II
Equipment Group for surface industry
3
Equipment Category 3 for use in Zone 2
G
Equipment intended for use in explosive gas
atmosphere, caused by mixture of air and gas,
vapours, flammable mists.
Ex nA nC d IIC
T6(1) Gb
Type of protection according to EN60079-0,
EN60079-15 and EN60079-29-1sensor body with
protection mode d according to EN60079-1
-20°C ≤ TA ≤
+50°C
Environmental temperature range of the appliance
(Standard)
-40°C ≤ TA ≤
+70°C
Environmental temperature range of the appliance
(Extended Range)
Note
(1)
: Some Detectors of the DR-UR.21.S-EXR type, i.e. equipped with
Display Board with Relay (prefix DR-), with extended temperature range
(suffix -EXR) and which use Catalytic or Infrared sensing elements, i.e. with
particular absorption characteristics, have temperature class T5 instead of
T6.
Due to our policy of continuous product improvement, specifications are subject to change
without notice.
100
100
155
55
60
Ø 43
CH 22
26