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Dräger
RailGard-W6
Dräger
RailGard-W4
Dräger
RailGard-W1
Supply voltage
230 V AC
Nominal power
consumption of Dräger
RailGard without sensors
connected
approx. 3 W
Number of input channels
6
4
1
Input
4-20mA, input load 490
Ω
Fault at <3.5mA (under range)
Fault at >23 mA (over range)
hysteresis for fault 0.3 mA
Output relays
Alarms1 to 4
Fault
Horn
Alarms 1 to 2
Fault
Horn
Alarms1 to 2
Fault
Horn
Relay contacts
Potential-free,
normally closed,
250V AC, 2A
Potential-free, changeover,
250V AC, 2A
Ambient conditions
Temperature: -20°C to 60°C
Relative humidity: 10% to 90%
Cable terminals
Screw terminals for conductors up to 1.5 mm²
Dimensions (H x W x D)
295 x 458 x 129
mm
160 x 195 x 137 mm
Enclosure material
PA
ABS
Degree of protection
IP65
IP54
Approvals
EMC directives (89/336/EWG and 92/31/EWG)
Low-voltage directives (73/23/EWG and 93/68/EWG)
TPS 04 ATEX 1 001 X