1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of the Hager ESC225S Silent Contactor. Please read this manual thoroughly before attempting any installation or operation. Retain this document for future reference.
2. Product Overview
The Hager ESC225S is a silent contactor designed for switching electrical loads in various applications, particularly where quiet operation is desired. It features a 25 Amp current rating and two normally open (NO) contacts, operating at 230 Volts. Its compact design allows for integration into standard electrical panels.
A detailed view of the Hager ESC225S Silent Contactor, showing its terminals, model number, and electrical ratings. The device is white with blue accents, indicating the Hager brand and model ESC 225, with ratings of 25A and U:250V visible on the label. Connection terminals A1, A2, 1, 2, 3, and 4 are clearly marked.
3. Safety Information
- Electrical Hazard: Installation and maintenance must be performed by qualified and authorized personnel only.
- Always disconnect power to the circuit before installing, servicing, or removing the contactor.
- Ensure all wiring complies with local and national electrical codes and regulations.
- Do not operate the device if it appears damaged or has been exposed to moisture.
- Use appropriate personal protective equipment (PPE) during installation and maintenance.
4. Installation and Setup
The Hager ESC225S Silent Contactor is designed for DIN rail mounting within an electrical enclosure.
4.1 Mounting
- Ensure the electrical panel is de-energized.
- Snap the contactor onto a standard 35mm DIN rail.
- Ensure it is securely fastened and does not wobble.
4.2 Wiring
Refer to the wiring diagram on the device and the following general guidelines:
- Control Circuit: Connect the control voltage (230V AC) to terminals A1 and A2. A1 is typically the phase, and A2 is the neutral.
- Main Circuit: Connect the load circuit to the main power terminals. Terminals 1 and 3 are typically inputs, and terminals 2 and 4 are outputs for the two normally open (NO) contacts.
- Ensure all connections are tight and secure to prevent loose contacts and overheating.
- Use appropriate wire gauges for the 25 Amp current rating.
5. Operation
Once properly installed and wired, the Hager ESC225S Silent Contactor operates by receiving a control signal at its A1/A2 terminals. When the control voltage is applied, the internal coil is energized, closing the normally open contacts (1-2 and 3-4), thereby allowing power to flow to the connected load. When the control voltage is removed, the coil de-energizes, and the contacts open, interrupting the power to the load. The 'silent' characteristic refers to its low-noise switching operation.
6. Maintenance
The Hager ESC225S Silent Contactor is designed for long-term, reliable operation with minimal maintenance. However, periodic inspection is recommended:
- Visual Inspection: Annually inspect the contactor for any signs of physical damage, discoloration, or loose connections.
- Cleaning: Ensure the device is free from dust and debris. Use a dry, soft cloth for cleaning. Do not use liquid cleaners.
- Connection Check: Periodically verify that all terminal screws are tight.
Always disconnect power before performing any maintenance.
7. Troubleshooting
If the contactor is not functioning as expected, consider the following:
| Symptom | Possible Cause | Action |
|---|---|---|
| Contactor does not switch on | No control voltage to A1/A2; Incorrect wiring; Faulty control circuit; Contactor failure | Check control voltage supply; Verify A1/A2 wiring; Test control circuit components; Replace contactor if faulty. |
| Contactor does not switch off | Control voltage continuously applied; Contacts welded shut; Contactor failure | Check control circuit for continuous voltage; Disconnect power and inspect contacts; Replace contactor if faulty. |
| Overheating | Overload; Loose connections; Insufficient ventilation | Reduce load; Tighten all terminal connections; Ensure adequate airflow in the enclosure. |
For issues not resolved by these steps, contact a qualified electrician or Hager technical support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | ESC225S |
| Brand | Hager |
| Rated Current (AC Adapter Current) | 25 Amps |
| Rated Voltage | 230 V (Control voltage on device label: 250V) |
| Number of Contacts | 2 Normally Open (2 NO) |
| Material | Copper Aluminum |
| Product Dimensions (L x W x H) | 2.36" x 0.7" x 3.27" (60 x 17.8 x 83 mm) |
| Weight | 3.53 ounces (approx. 100g) |
| Mounting Type | DIN Rail |
| ASIN | B005ZCP5RG |
9. Warranty and Support
For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact your authorized Hager distributor. Technical support and further assistance can be obtained through the official Hager website or your local service representative.
Hager Official Website: www.hager.com
