KROHNE H250 M40 Ex II2G Reed EN - Manual

11/2012
MA H250-M40-Reed-Ex-II2G-AD-R01-en 4002429101
H250 M40 with mounted Reed limit switches
Operating instruction Electrical equipment for hazardous locations
Category for instrument II2G for use in hazardous locations zone 1
Norm 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 is not required in accordance to 60079-11, para. 5.7)
Reed-contact type Bistable contact with integrated magnet
Temperature range -40...+70°C
Insolation 500 Vac against earth
Electrical data Only for connection to certified intrinsically safe circuits.
Peak values:
Ui = 30 V
Ii = 100 mA
Ci negligible
Li negligible
Electrical connection For the electrical connection, first unscrew the cover. The intrinsically safe
equipment may only be connected to separated intrinsically safe circuits.
Terminals Min contact Terminal 1 and 3
Max contact Terminal 4 and 6
General Follow the specification and the instructions of this operation manual.