DL..H, DL..N · Edition 05.22
EN-7
8.2 Mechanical data
Medium temperature = ambient temperature.
Max. inlet pressure p
max.
= withstand pressure,
switching differential, see page 4 (5 Adjustment).
Diaphragm pressure switch, NBR, silicone-free.
Housing: glass fibre reinforced PBT plastic with low
gas release.
Weight: DL..A: 200 g (7,1 oz), DL..K: 190 g (6,7 oz)
Recommended tightening torque:
Component
tightening
torque
[ncm]
Cover screws
65
M16 x 1.5 cable gland
50
Clamping terminal screws
80
Rp 1/8 connection on upper
housing section
250
Rp 1/4 (1/4" NPT) connection on
lower housing section
600
8.3 electrical data
Line entrance: M16 x 1.5 (1/2" NPT conduit),
clamping range: diameters of 4 to 10 mm.
Type of connection: screw terminals,
cable diameter: 0.5 to 1.8 mm (AWG 24 to AWG 13).
8.3.1 switching capacity
U
I
(cos φ = 1)
I
(cos φ = 0.6)
DL
24–
250 V AC
0.05–5 A
0.05–1 A
DL..G
5–250 V AC
0.01–5 A
0.01–1 A
DL..G
5–48 V DC
0.01–1 A
0.01–1 A
DL..T
30–
240 V AC
5 A
0.5 A
DL..TG
< 30 V AC/
DC
0.1 A
0.05 A
Contact gap < 3 mm (μ).
If the pressure switch has switched a voltage > 24 V
(> 30 V) and a current > 0.1 A at cos φ = 1 or
> 0.05 A at cos φ = 0.6 once, the gold plating on
the contacts will have been burnt through. It can
then only be operated at this power rating or higher
power rating.
9 DesIGneD LIFetIMe
This information on the designed lifetime is based on
using the product in accordance with these operat-
ing instructions. Once the designed lifetime has been
reached, safety-relevant products must be replaced.
Designed lifetime (based on date of manufacture) in
accordance with EN 13611, EN 1854 for DL..H, DL..N:
10 Jahre years.
You can find further explanations in the applicable
rules and regulations and on the afecor website (www.
afecor.org).
This procedure applies to heating systems. For ther-
moprocessing equipment, observe local regulations.
10 CeRtIFICAtIon
Declaration of conformity
We, the manufacturer, hereby declare that the products
DL..H, DL..N with product ID No. CE- 0085AP0466
comply with the requirements of the listed Directives
and Standards.
Directives:
– 2014/35/EU – LVD
– 2014/30/EU – EMC
– 2011/65/EU – RoHS II
– 2015/863/EU – RoHS III
Regulation:
– (EU) 2016/426 – GAR
Standards:
– EN 1854:2010
The relevant product corresponds to the tested type
sample.
The production is subject to the surveillance proce-
dure pursuant to Regulation (EU) 2016/426 Annex III
paragraph 3.
Elster GmbH
Scan of the Declaration of conformity (D, GB) – see
www.docuthek.com
10.1 UL listed
USA and Canada
Underwriters Laboratories – UL 353 “Limit Controls”.
10.2 eurasian Customs Union
The products DL..H, DL..N meet the technical speci-
fications of the Eurasian Customs Union.
10.3 UKCA certified
Gas Appliances (Product Safety and Metrology etc.
(Amendment etc.) (EU Exit) Regulations 2019)
BS EN 1854:2010
10.4 ReACH Regulation
The device contains substances of very high concern
which are listed in the Candidate List of the European
REACH Regulation No. 1907/2006. See Reach list
HTS at www.docuthek.com.
10.5 China RoHs
Directive on the restriction of the use of hazardous sub-
stances (RoHS) in China. Scan of the Disclosure Table
China RoHS2, see certificates at www.docuthek.com.
