KROHNE DK 32-DK 34 Reed S Ex II2G EN - Handbuch (Seite 2)

07/2009
MA DK-Reed-S-Ex-II2G-AD-R02-de-en 4000408302
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Reed Contact unit to mount on DK32 / DK34
Manual Electrical equipment for explosive hazardous areas
Equipment Category II 2 G to use in explosive hazardous areas zone 1
Declaration of Conformity The electrical equipment operates as a simple device. It is in
conformity with intrinsic safety EN 60079-11:2007, para. 5.7
Ex- Marking none (because it isn’t required in accordance to 60079-11, para. 5.7)
Reed-contact type Bistable contact with an intal tension magnet
Operating temperature range -20°C to +120°C
Isolation 500 Vac to Earth
Electrical data Only for connection on certified intrinsically safe circuits,
Maximum values:
Ui = 30 V
Ii = 100 mA
Ci negligible
Li negligible
Temperature class T6, maximum operating temperature 40°C
T5, maximum operating temperature 55°C
T4, maximum operating temperature 90°C
T3, maximum operating temperature 120°C
Electrical connection Molded valve connectors from Hirschmann Typ GDM
Terminal assignment
General Install and operate the device in accordance with the operating instruction
Installation, Starting
Requirements Statutes, recommendation, engineering standards for application have to be
kept. The warrant of intrinsic safety is only by interconnection with
intrinsically safe equipment.
To prevent risk of flammable hazard in case of malfunctions and or transient
in system with equipotential bonding system, use galvanic separation for
(connected) supplying or switching equipment.
Maintenance, Service
No modifications on equipment in explosive hazardous areas are permitted.