1. Introduction
This manual provides essential information for the safe and effective use of the CungSu AS09-30-01-22 industrial electrical component. Please read this manual thoroughly before installation, operation, or maintenance to ensure proper functionality and safety.
2. Product Overview
The CungSu AS09-30-01-22 is a new and sealed industrial electrical component, likely a contactor or relay, designed for various automation applications. It features robust construction and clear terminal markings for straightforward integration into electrical systems.

Figure 2.1: Front view of the CungSu AS09-30-01-22 component, highlighting terminal connections and model identification.
Key Features:
- Part Number: AS09-30-01-22
- Product Status: New with Factory Seal
- Designed for industrial automation applications
- Clearly labeled terminals for easy wiring
3. Setup and Installation
Safety First: Always ensure power is disconnected before beginning any installation or wiring procedures. Installation should only be performed by qualified personnel in accordance with local electrical codes and regulations.
Wiring Instructions:
- Identify the power input terminals: 1L1, 3L2, 5L3.
- Identify the power output terminals: 2T1, 4T2, 6T3.
- Locate the control coil terminals: A1 and A2. This component operates with a 48V 50/60Hz control voltage.
- Identify auxiliary contacts: 21NC (Normally Closed) and 22NC (Normally Closed).
- Connect the main power supply to the input terminals (1L1, 3L2, 5L3).
- Connect the load to the output terminals (2T1, 4T2, 6T3).
- Connect the 48V 50/60Hz control voltage to terminals A1 and A2 to energize the coil.
- Integrate auxiliary contacts (21NC, 22NC) into control circuits as required.
- Securely fasten all wire connections to prevent loosening and ensure proper contact.
- Mount the component securely within an appropriate enclosure, ensuring adequate ventilation.
4. Operating Instructions
Once properly installed and wired, the CungSu AS09-30-01-22 operates by applying the specified control voltage (48V 50/60Hz) to its coil terminals (A1 and A2). When the coil is energized, the main power contacts (1L1-2T1, 3L2-4T2, 5L3-6T3) will close, allowing power to flow to the connected load. Simultaneously, the auxiliary contacts (21NC, 22NC) will change state (open).
To de-energize the component and open the main contacts, remove the control voltage from terminals A1 and A2. The auxiliary contacts will then return to their normally closed state.
5. Maintenance
The CungSu AS09-30-01-22 is designed for reliable operation with minimal maintenance. However, periodic inspection is recommended to ensure optimal performance and safety.
Recommended Maintenance Checks:
- Visual Inspection: Regularly check for any signs of physical damage, discoloration, or loose connections.
- Terminal Tightness: Periodically verify that all terminal screws are securely tightened. Loose connections can lead to overheating and component failure.
- Cleanliness: Ensure the component is free from dust, dirt, and moisture. Use a dry, lint-free cloth for cleaning. Do not use solvents or abrasive cleaners.
- Operational Check: If safe to do so, periodically test the component's switching action to confirm proper operation.
Warning: Always disconnect power before performing any maintenance or inspection.
6. Troubleshooting
If you encounter issues with your CungSu AS09-30-01-22, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Component does not energize when control voltage is applied. | No control voltage; incorrect control voltage; faulty wiring; damaged coil. | Verify 48V 50/60Hz is present at A1 and A2; check wiring for breaks or loose connections; test coil resistance (if applicable). |
| Main contacts do not close or open reliably. | Overload condition; mechanical obstruction; worn contacts. | Check load current; inspect for foreign objects; consider replacement if contacts are visibly worn. |
| Overheating of terminals. | Loose connections; excessive current. | Tighten all terminal screws; ensure load current does not exceed component ratings. |
If the problem persists after attempting these solutions, please contact customer support.
7. Specifications
| Attribute | Detail |
|---|---|
| Part Number | AS09-30-01-22 |
| Manufacturer | CungSu |
| Product Status | New with Factory Seal |
| ASIN | B0F29XKVZX |
| Date First Available | March 24, 2025 |
| Control Coil Voltage | 48V 50/60Hz |
| Auxiliary Contacts | 21NC, 22NC (Normally Closed) |
8. Warranty Information
For specific warranty terms and conditions regarding the CungSu AS09-30-01-22, please refer to the documentation provided at the time of purchase or contact the seller, Realing US, directly. Warranty coverage typically applies to defects in materials and workmanship under normal use.
9. Customer Support
If you have any questions, require technical assistance, or need to report an issue with your CungSu AS09-30-01-22, please contact the seller, Realing US. They are a company focused on factory automation business with a team of passionate engineers devoted to providing excellent customer service.
For general inquiries or to explore other products from CungSu, you may visit the CungSu Store on Amazon.