Submittal Sheet
Technical leaflet Coils for solenoid valves
6 DKRCC.PD.BS0.A3.02-520H1701
Danfoss A/S (AC-AKC/ frz), 05- 2008
Introduction
Danfoss has developed a series of ATEX approved
coils for use in EX zone 2. The coils are equipped
with clip-on fastening system for easy and
faultless installation. Thus the coil can be installed
without use of tools and easily dismounted by
means of a screwdriver.
Features
ATEX approved for use in EX zone 2
Embedded coils with long lifetime - even
under extreme conditons
Available with 1 m 3-core cable or terminal
Quick and safe mounting with "clip-on"coil
Mounting on valve without use of tools
Standard coils for a.c. and d.c.
Standard coils from 24 to 240 V
Standard coils dimensioned to max. opening
differential pressure (MOPD) up to 21 bar
Approval
EExnAIIT3 DEMKO 01 ATEX 130591X
Technical data
Ambient temperature
11 or 14 W, 50 Hz a.c. coil−20 → +80°C
13 W, 50/60 Hz a.c. coil −20 → +50°C
20 W d.c. coil −20 → +50°C
Temperature of medium
max. 105°C
Enclosure for coil
IP 67
Permissible voltage variation
11 and 14 W a.c. coils: +10 → −15% and as
double frequency coils: ±10%
20 W d.c. coils: ±10%
Connections
3-core cable
The external thread of the cable entry is suitable
for flexible steel hose or similar cable protection
Terminal box
The cables are connected with the terminal
screws in the terminal box which is equipped
with a Pg 13.5 cable gland for 6 → 14 mm cable.
Max. cable diam.: 2.5 mm
2
Note:
Always install a fuse ahead of the coil.
It should not exceed 2 A for coils rated less
than 50 V and it should not exceed 1 A for coils
rated 50 V or more.