Technical Data; Supply Voltage; Leakage Current; Inputs/Output - Grundfos CRE Montage- Und Betriebsanleitung

6. Technical data

See nameplates.

6.1 Supply voltage

Supply voltage to the pump
1 x 200-240 V ±10%, 50/60 Hz, PE.
Back-up fuse
Max. 10 A.
Standard as well as quick-blow or slow-blow fuses may be used.

6.2 Leakage current

Earth leakage current < 3.5 mA.
The leakage currents are measured in accordance with
EN 60 355-1.

6.3 Inputs/output

Start/stop
External potential-free switch.
Voltage: 5 VDC.
Current: < 5 mA.
*
Screened cable.
Setpoint signals
• Potentiometer
0-10 VDC, 10 kΩ (via internal voltage supply).
*
Screened cable.
Maximum cable length: 100 m.
• Voltage signal
> 50 kΩ.
0-10 VDC, R
i
Tolerance: +0%/–3% at maximum voltage signal.
*
Screened cable.
Maximum cable length: 500 m.
Signal output
Potential-free changeover contact.
Maximum contact load: 250 VAC, 2 A.
Minimum contact load: 5 VDC, 1 mA.
Screened cable: 0.5 - 2.5 mm².
Maximum cable length: 500 m.
*
Cross section min. 0.5 mm² and max. 1.5 mm².

6.4 Other technical data

EMC (electromagnetic compatibility)
EN 61 800-3.
The motor fulfils EN 50 178.
Enclosure class
Standard: IP 55 (IEC 34-5).
Insulation class
F (IEC 85).
Ambient temperature
During operation: –20°C to +40°C.
During storage/transport: –40°C to +60°C.
Relative air humidity
Maximum 95%.

6.5 Sound pressure level

The sound pressure level is lower than 70 dB(A).

7. Disposal

Disposal of this product or parts of it must be carried out accord-
ing to the following guidelines:
1. Use the local public or private waste collection service.
2. In case such waste collection service does not exist or cannot
handle the materials used in the product, please deliver the
product or any hazardous materials from it to your nearest
GRUNDFOS company or service workshop.
Subject to alterations.
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