1. مقدمه
This manual provides essential information for the safe and effective use of NuNeth 10-pin signal relays, including models A5W-K, A12W-K, and A24W-K. These relays are designed for various switching applications in electronic circuits. Please read this manual thoroughly before installation and operation.
2. اطلاعات ایمنی
WARNING: Electrical components can cause electric shock or injury if not handled properly. Always follow safety precautions.
- Ensure power is disconnected before installing, wiring, or servicing the relay.
- فقط پرسنل واجد شرایط باید نصب و سیم کشی را انجام دهند.
- صحت جلد را تأیید کنیدtage and current ratings before connecting the relay to a circuit.
- Do not exceed the specified maximum switching voltage یا جریان.
- Avoid touching relay terminals while power is applied.
3. محصول تمام شدview
The NuNeth 10-pin signal relays are compact, reliable components used for switching low-level signals in various electronic applications. They feature a standard pin configuration for easy integration into printed circuit boards (PCBs).

شکل 3.1: بالا view of a generic 10-pin signal relay, illustrating the physical layout and pin configuration for circuit board mounting.

شکل 3.2: پایین view of a 10-pin signal relay, highlighting the solderable pins for connection to a PCB or socket.

شکل 3.3: A NuNeth A5W-K 5VDC signal relay, showing the model designation and manufacturer markings on its casing.

شکل 3.4: A NuNeth A12W-K 12VDC signal relay, identifiable by its model number printed on the top surface.

شکل 3.5: A NuNeth A24W-K 24VDC signal relay, clearly showing the model and voltagامتیاز e

شکل 3.6: A collection of NuNeth A5W-K and A12W-K signal relays, demonstrating their compact size and consistent form factor.
4. مشخصات
The following table outlines the general specifications for the NuNeth 10-pin signal relays. Specific characteristics may vary slightly between models (A5W-K, A12W-K, A24W-K) primarily in coil voltage.
| ویژگی | A5W-K (5VDC) | A12W-K (12VDC) | A24W-K (24VDC) |
|---|---|---|---|
| کویل جلدtage | 5 ولت DC | 12 ولت DC | 24 ولت DC |
| فرم تماس | DPDT (Double Pole Double Throw) - 2 Form C | ||
| تعداد پین ها | 10 پین | ||
| حداکثر جریان سوئیچینگ | Typically 1A - 2A (refer to specific datasheet for exact value) | ||
| حداکثر سوئیچینگ جلدtage | Typically 125V AC / 30V DC (refer to specific datasheet for exact value) | ||
| دمای عملیاتی | Typically -40°C to +70°C | ||
| مقاومت عایق | 100 MΩ min. (at 500V DC) | ||
| قدرت دی الکتریک | Coil to Contact: 1000V AC, Contact to Contact: 750V AC | ||
| ابعاد (تقریبا) | Length: 20mm, Width: 10mm, Height: 12mm (excluding pins) | ||
| وزن | Approximately 1 gram (0.035 oz) per relay | ||
Note: These specifications are general. Always consult the specific datasheet for the exact model being used for critical applications.
5. راه اندازی و نصب
Proper installation is crucial for the reliable operation of the signal relay. These relays are typically designed for through-hole mounting on a PCB or insertion into a compatible relay socket.
پیکربندی 5.1 پین
The 10-pin configuration typically includes pins for the coil and two sets of changeover contacts (DPDT). Refer to the relay's markings or datasheet for the exact pinout diagram. A common DPDT 10-pin relay pinout includes:
- Coil Pins: These pins energize the relay, typically requiring the specified DC voltage (5 ولت، 12 ولت یا 24 ولت).
- Common (COM) Pins: These are the moving contacts.
- Normally Open (NO) Pins: These contacts are open when the coil is de-energized and close when energized.
- Normally Closed (NC) Pins: These contacts are closed when the coil is de-energized and open when energized.

شکل 5.1: Illustrative diagram of a 10-pin relay's underside, indicating where coil and contact pins are typically located. Always verify with the specific relay's datasheet.
5.2 مراحل نصب
- خاموش: Disconnect all power from the circuit before beginning installation.
- شناسایی پینها: Carefully identify the coil pins and contact pins (COM, NO, NC) using the relay's markings or datasheet.
- نصب: Insert the relay pins into the corresponding holes on the PCB or relay socket. Ensure correct orientation.
- لحیم کاری (در صورت وجود): If mounting directly to a PCB, solder the pins securely. Ensure good solder joints and avoid bridging pins.
- سیم کشی: Connect the coil to the appropriate control voltage source (e.g., 5V for A5W-K). Connect the load circuit to the contact pins (COM, NO, NC) as required by your application.
- تایید: Double-check all connections for correctness and security before applying power.
6. دستورالعمل های عملیاتی
The operation of a signal relay is straightforward:
- حالت بدون انرژی: وقتی هیچ جلدtage is applied to the coil, the common (COM) contacts are connected to the normally closed (NC) contacts. The normally open (NO) contacts remain open.
- حالت پرانرژی: وقتی حجم کویل مشخص شدهtage (e.g., 5V for A5W-K) is applied to the coil pins, an electromagnetic field is generated. This field pulls the common (COM) contacts away from the NC contacts and connects them to the NO contacts.
- تعویض: The relay acts as an electrical switch, allowing a low-power control signal (to the coil) to control a higher-power or isolated circuit (through the contacts).
از میزان ولتاژ کویل اطمینان حاصل کنیدtage matches the relay model (A5W-K for 5V, A12W-K for 12V, A24W-K for 24V) to prevent damage or improper operation.
7. تعمیر و نگهداری
NuNeth signal relays are generally maintenance-free components. However, observing the following can help ensure longevity:
- تمیز نگه دارید: Ensure the relay and its surrounding area are free from dust, dirt, and moisture, which can affect performance or cause short circuits.
- بررسی اتصالات: Periodically check for loose or corroded connections, especially in high-vibration environments.
- جلوگیری از اضافه بار: Do not exceed the relay's maximum switching current or voltage ratings, as this can lead to premature failure of the contacts.
- شرایط محیطی: Operate the relay within its specified temperature and humidity ranges.
8 عیب یابی
If the relay is not functioning as expected, consider the following common issues and solutions:
| مشکل | علت احتمالی | راه حل |
|---|---|---|
| Relay coil does not energize (no click sound) | ولتاژ کویل نادرست استtage; بدون جلدtage applied; reversed polarity (for DC coils); faulty coil. | بررسی حجم کویلtage matches relay specification (5V, 12V, 24V). Check power supply and wiring. Ensure correct polarity. Replace relay if coil is faulty. |
| Relay energizes but contacts do not switch load | Incorrect wiring of load; load current/voltage exceeds contact rating; damaged contacts. | Check load wiring to COM, NO, NC pins. Ensure load specifications are within relay contact ratings. Replace relay if contacts are visibly damaged or stuck. |
| عملیات متناوب | Loose connections; unstable coil voltage; contact bounce; environmental factors. | Secure all wiring connections. Ensure stable power supply to the coil. Consider adding a snubber circuit if switching inductive loads. Check operating environment. |
| Relay gets excessively hot | بیش از حدtage to coil; excessive current through contacts; short circuit in load. | بررسی حجم کویلtage is correct. Ensure load current is within contact ratings. Check load for short circuits. Disconnect power immediately if overheating occurs. |
9. گارانتی و پشتیبانی
For specific warranty information or technical support regarding your NuNeth signal relays, please refer to the product packaging or contact your point of purchase. Keep your purchase receipt as proof of purchase.
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