LCLCTC NDR 120W 24Vdc Power Supply Instruction Manual

1. Produktet er slutview

The LCLCTC NDR 120W 24Vdc Power Supply (Model: NDR120-24) is a high-efficiency switching converter designed for industrial and commercial applications. It provides a stable 24V DC output from a wide 100-240VAC input, making it suitable for various global power environments. Its compact design and DIN rail mounting capability ensure convenient installation in distribution boxes and control cabinets.

LCLCTC NDR 120W 24Vdc Power Supply mounted on a DIN rail

Figure 1: LCLCTC NDR 120W 24Vdc Power Supply, showing its compact form factor and DIN rail mounting bracket.

2. Sikkerhedsoplysninger

Læs og forstå alle sikkerhedsinstruktioner før installation og betjening. Manglende overholdelse af disse instruktioner kan resultere i elektrisk stød, brand eller alvorlig personskade.

Ensure the power supply is disconnected from the main power source before any installation, wiring, or maintenance.
Installation bør kun udføres af kvalificeret personale i overensstemmelse med lokale el-forskrifter og -regler.
Brug kun kobbertråd til tilslutninger.
Do not operate the unit beyond its specified input voltage, output current, or power ratings.
Ensure proper ventilation to prevent overheating. The maximum surrounding air temperature for operation is 50°C.
This device is designed for installation in a pollution degree 2 environment.
Ensure all terminal connections are secure. The terminal torque should be 9 Lb-in.

3. Produktfunktioner

Din-skinneinstallation: Designed for convenient mounting on standard DIN rails, suitable for distribution boxes and industrial control cabinets.
Wide Input Voltage Område: Accepts input from 100-240VAC, 50/60Hz, making it compatible with various international power grids.
Høj effekt: Delivers 120W of power with a stable 24VDC output at 5A.
Model Specific: Identified as NDR120-24.
Effektiv konvertering: Converts 120Vac to 24Vdc efficiently.
Overbelastning og Overvoltage Beskyttelse: Built-in protection mechanisms to ensure safe operation and prolong product life.
Kompakt design: Space-saving dimensions for efficient use of cabinet space.

4. Specifikationer

Table of detailed specifications for NDR series power supplies including NDR-120-24

Figure 2: Detailed technical specifications for various NDR series models, including NDR-120-24.

Table 1: LCLCTC NDR120-24 Power Supply Specifications
Parameter	Værdi
Modelnummer	NDR120-24
Input bindtage	100-240VAC, 50/60Hz
Udgang Voltage	24VDC
Udgangsstrøm	5A
Power Rating	120W
Dimensioner (L x B x H)	4.92 x 4.45 x 1.57 tommer (125 x 113 x 40 mm)
Varens vægt	1.03 pund (0.47 kilo)
Nuværende vurdering	5 Amps
Minimum frekvens	50 Hz
Maksimal frekvens	60 Hz
Specifikation Met	Elektromagnetisk kompatibilitet
Driftstemperatur	-10°C til +60°C
Arbejdsfugtighed	20 % ~ 90 % RH

LCLCTC NDR 120W 24Vdc Power Supply with dimensions labeled

Figure 3: Dimensions of the NDR120-24 Power Supply.

5. Opsætning og installation

The NDR120-24 power supply is designed for easy DIN rail mounting. Follow these steps for proper installation:

Montering:
- Ensure the DIN rail is securely fastened within the enclosure or distribution box.
- Align the power supply's DIN rail clip with the top edge of the DIN rail.
- Press the bottom of the power supply firmly against the DIN rail until it clicks into place. Verify it is securely attached and does not wobble.
Wiring (Input):
- Før ledningsføring skal du sørge for, at hovedstrømforsyningen er OFF.
- Connect the AC input wires to the "N" (Neutral) and "L" (Line) terminals.
- Connect the ground wire to the "PE" (Protective Earth) terminal.
- Ensure all connections are tight. The recommended terminal torque is 9 Lb-in.
Wiring (Output):
- Connect the positive (+) load wire to the "+V" output terminal.
- Connect the negative (-) load wire to the "-V" output terminal.
- If using multiple output terminals, ensure proper load balancing if applicable.
- Ensure all connections are tight. The recommended terminal torque is 9 Lb-in.
Ventilation: Ensure adequate clearance around the power supply for proper airflow and heat dissipation. Do not obstruct ventilation holes.

Front view of the LCLCTC NDR 120W 24Vdc Power Supply showing input and output terminals

Figure 4: Front panel of the power supply with input (N, L, PE) and output (-V, +V) terminals clearly marked.

6. Betjeningsvejledning

Once the power supply is securely installed and wired, follow these steps for operation:

Tænd: Turn on the main AC power supply to the unit. The "DC OK" indicator light on the front panel should illuminate, indicating stable DC output.
Udgang Voltage Justering:
- The power supply features a "+V ADJ" potentiometer for fine-tuning the output voltage.
- Using a small flat-head screwdriver, carefully turn the potentiometer clockwise to increase the voltage or counter-clockwise to decrease it.
- Overvåg output voltage with a multimeter to ensure it is within the desired range for your application. Do not exceed the maximum specified voltage.
Belastningsforbindelse: Connect your 24VDC devices to the output terminals. Ensure the total current draw does not exceed 5A.
Overvågning: Periodically check the "DC OK" indicator and the performance of connected devices to ensure stable operation.

7. Vedligeholdelse

The NDR120-24 power supply is designed for reliable operation with minimal maintenance. However, regular checks can help ensure longevity and optimal performance:

Rensning: Periodically clean the exterior of the power supply to prevent dust accumulation, especially around ventilation openings. Use a soft, dry cloth. Do not use liquid cleaners or solvents.
Tilslutningstjek: Annually, or as needed, verify that all input and output terminal connections remain tight and secure. Loose connections can lead to overheating or intermittent operation.
Miljøforhold: Ensure the operating environment remains within the specified temperature and humidity ranges. Avoid exposure to excessive moisture, dust, or corrosive substances.
Visuel inspektion: Regularly inspect the unit for any signs of physical damage, discoloration, or unusual odors. If any issues are observed, disconnect power immediately and consult a qualified technician.

Indre view of the LCLCTC NDR 120W 24Vdc Power Supply circuit board

Figure 5: Internal components of the power supply, showing the circuit board and heat sinks. Do not open the casing, medmindre du er en kvalificeret tekniker.

8. Fejlfinding

This section provides solutions to common issues you might encounter with the NDR120-24 power supply.

Problem	Mulig årsag	Løsning
No "DC OK" light / No output voltage	Ingen AC-indgangsstrøm Loose input wiring Intern fejl	Check main power switch and circuit breaker. Verify AC input connections are secure. Hvis problemet fortsætter, kontakt support.
Udgang voltage fluctuates or is incorrect	Overbelastningstilstand Loose output wiring Faulty load device	Reduce load to within 5A. Check output wiring for secure connections. Test the power supply with a different, known-good load.
Unit is hot to the touch	Utilstrækkelig ventilation Overbelastningstilstand Høj omgivelsestemperatur	Sørg for tilstrækkelig frihøjde omkring enheden. Verify load current is within specifications. Ensure ambient temperature is below 50°C.

If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact LCLCTC customer support.

9. Garanti og support

LCLCTC products are manufactured to high quality standards. For warranty information and technical support, please refer to the official LCLCTC webwebstedet eller kontakt din lokale forhandler.

For direct inquiries, please have your product model number (NDR120-24) and purchase information ready.

Online ressourcer:

Besøg LCLCTC Brand Store on Amazon for product updates and related items.

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