Flowserve NRS 2-3 - Manual (Page 8)

8
Technical Data
Type approval no.
GL 99249-96HH
Mains voltage
230 V ± 10 %, 50/60 Hz
115 V ± 10 %, 50/60 Hz (option)
24 V ± 10 %, 50/60 Hz (option)
Power consumption
5 VA
Input
4 – 20 mA (coming from level transmitter)
Output
3 volt-free relay contacts
Max. contact rating with switching voltages of 24 V, 115 V and 230 V AC: 4 A resistive,
0.75 A inductive at cos
ϕ
= 0.5.
Max. contact rating with a switching voltage of 24 V DC: 4 A
Service life of relay: 30 x 10
6 switching cycles.
Limit value
HIGH LEVEL
/
LOW LEVEL
Continuously adjustable within measuring range of level transmitter
Switchpoints
PUMP ON
/
OFF
Continuously adjustable within 1 – 50 % of the measuring range of level transmitter
Indicators and adjustors
1 red LED “
HIGH LEVEL
”, 1 red LED “
LOW LEVEL
”, 1 yellow LED “
PUMP ON
”,
1 green LED “
PUMP OFF
”.
4 adjustors for
HIGH LEVEL
/
LOW LEVEL
and
PUMP ON
/
OFF
.
Protection
IP 10 to DIN EN 60529
Designs
Design “b”
19" slide-in unit to DIN 41494 part 5, installed on a mounting panel for installation
in control cabinets with screw-type terminals at the top and bottom.
Design “c”
19" slide-in unit with guide rails and 32 pole screw-type connector for the installation in
19" mounting panels acc. to DIN 41494 part 5.
Design “d”
19" spare slide-in unit
Explanatory Notes
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