Industrial spare parts & engineering solutions since 2001.
Gestra Nrs 1-41B Level Switch
Technical Datasheets / Product Documentations
| Brand |  |
| Category | Switch |
| Product Name | Gestra Nrs 1-41B Level Switch |
| Product Code | Nrs 1-41B |
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Product Description
Gestra products, including Gestra Nrs 1-41B Level Switch, are sourced through parallel import channels and delivered to our customers worldwide with speed and reliability. As an authorized trading partner, Imtek Engineering offers genuine Gestra parts at competitive prices. Even if Gestra Nrs 1-41B Level Switch is not listed on our website, you are welcome to request a price quote — our team will respond promptly with a tailored offer.
NRS 1-41
Technical Data
Dimensions 100
– continued –
73
Signal output Photo MOS output, instantaneous high-level alarm, timed malfunction signal,
max. contact rating for switching voltages of 24 V AC, 115 V AC and 230 V AC/DC:
100 mA resistive.
Relay de-energizing delay The “High-level alarm” output is factory set to 3 sec.
(15 or 25 sec. available for marine applications) Indicators and adjustors
4 pushbuttons for “parameterisation/Test” 1 red LED for “High-level alarm electrode 1”
3 red LEDs “Multifunction” 1 red LED “Bus status” 1 green LED “Power” 1 ten-pole code switch, seven poles for node ID,
three poles for baud rate settings 1 two-pole code switch – without function.
Do not change the factory settings!
8 11
Wiring Diagram
Control circuit make up unit
– uninterrupted – Further equipment in control circuit
Internal self-checking routine Every 3 sec.
Note:
NRS 1-41 is the first equipment in the control circuit.
(Only applicable if there is no
NRS 1-40 or NRS 1-40.1) Do not connect terminals 26, 27, 28 and 30!
Periodic checking of output relay contacts Every 6 hours Supply voltage 230 V +/– 10 %, 50/60 Hz
115 V +/– 10 %, 50/60 Hz (optional) 24 V +/– 10 %, 50/60 Hz (optional) Power consumption
10 VA Response sensitivity From 0.5 µS/cm at 25 °C Protection Case:
IP 40 to DIN EN 60529 Terminal strip: IP 20 to DIN EN 60529 Admissible ambient temperature
0 – 55 °C
Photo MOS output 24 V-230 V AC/DC, 100 mA Instantaneous HW alarm, clocked malfunction signal
Twisted pair cable
Enclosure material Front panel: polycarbonate, grey Case:
polycarbonate, black
Twisted pair cable
Terminating resistor 120 Ω
Weight Approx. 0.8 kg
Order and Enquiry Specification
GESTRA Level switch NRS 1-41 Controller
...................
Mains supply
................... V
Operating terminal & display unit
URB 1
Level switch
NRS 1-41
Controller ...
Level electrode
NRG 16-41
CEP 1)
Level electrode with external measuring pot .................... (yes/ no)
Associated Equipment ■ Conductivity level electrode NRG 16-41 ■ Conductivity level electrode NRG 17-41
■ Conductivity level electrode NRG 19-41
Voltage supply
■ SRL 6 for intermittent blowdown monitoring
(for external measuring pot) Supply in accordance with our general terms of business.
Terminating resistor 120 Ω ) CEP = Central earthing point
1
GESTRA AG Münchener Straße 77, 28215 Bremen, Germany Telefon +49 421 3503-0, Telefax +49 421 3503-393
E-mail [email protected], Web www.gestra.de 810724-04/03-2017cm (804190-03) · GESTRA AG · BREMEN · Printed in Germany
CAN data line Terminating resistor 120 Ω
Level sensor
NRG . . .
Frequently Asked Questions
Frequently asked questions about Gestra Nrs 1-41B Level Switch by Gestra. Imtek Engineering is ready to assist you in sourcing Gestra Nrs 1-41B Level Switch from Gestra in United States.
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