1. Introducció
This manual provides essential information for the safe and effective installation, operation, and maintenance of the Omron G7L-2A-BUBJ-CB-DC24 General Purpose Relay. This relay is designed for high-capacity voltage applications, featuring a test button, Class B rated insulation, screw terminal connections, and upper bracket mounting. It is suitable for controlling larger power sources in various industrial settings.
2. Informació de seguretat
WARNING: Electrical shock hazard. Always disconnect power before installing, servicing, or removing this device.
- Assegureu-vos que es compleixin tots els codis elèctrics locals i nacionals durant la instal·lació.
- La instal·lació i el manteniment només els ha de dur a terme personal qualificat.
- Comproveu el vol correctetage and current ratings before connecting the relay to any circuit.
- Do not operate the relay in environments exceeding its specified operating temperature range or dielectric strength.
- Inspect the relay for any physical damage before installation. Do not install damaged units.
3. Producte acabatview
The Omron G7L-2A-BUBJ-CB-DC24 is a robust general-purpose relay designed for reliable switching in demanding applications. It features Double Pole Single Throw Normally Open (DPST-NO) contacts, allowing for simple on/off switching of two independent circuits simultaneously.
This image displays the Omron G7L-2A-BUBJ-CB-DC24 General Purpose Relay, showing its robust housing, multiple screw terminals for electrical connections, and the integrated test button. The upper bracket mounting design is also visible.
Característiques principals:
- Electric Relay with Test Button: Allows for manual verification of operation status.
- Connexió del terminal de cargol: Provides secure and reliable electrical connections.
- Upper Bracket Mounting: Designed for easy installation in equipment racks.
- DPST-NO Contacts: Double Pole Single Throw Normally Open configuration for straightforward switching.
- UL Class B Insulation: Ensures flame resistance for enhanced safety.
- Certificacions: UL recognized for safety and CSA certified for quality assurance.
4. Especificacions
| Especificació | Valor |
|---|---|
| Número de model | G7L-2A-BUBJ-CB-DC24 |
| Formulari de contacte | DPST-NO (Double Pole Single Throw Normally Open) |
| Valoració del corrent d'entrada | 79 mA |
| Entrada Voltage | 24VDC |
| Valoració de càrrega | 220 VCA, 25 Amp |
| Força dielèctrica | 4,000 VCA |
| Temperatura de funcionament | -25 a +60 graus C |
| Dimensions de la carcassa (H x A x P) | 49 x 34.5 x 68.6mm (2.8 x 1.5 x 2.1 polzades) |
| Classe d'aïllament | Classe B |
| Tipus de connector | Terminal de cargol |
| Tipus de muntatge | Suport superior |
| Material de contacte | Silver or Copper |
| Pes | 0.71 unces |
| Estàndards complerts | UL (Underwriter's Laboratories), CSA (Canadian Standards Association) |
5. Instal·lació
5.1 Comprovacions prèvies a la instal·lació
- Ensure the power supply to the circuit is completely disconnected.
- Verify that the relay's specifications (voltage, current) match the requirements of your application.
- Confirm that the mounting location is stable and within the specified operating temperature range.
5.2 Muntatge
The G7L-2A-BUBJ-CB-DC24 relay is designed for upper bracket mounting. Secure the relay firmly to the designated upper bracket within your equipment rack or control panel using appropriate fasteners. Ensure there is adequate clearance for wiring and ventilation.
5.3 Cablejat
This relay utilizes screw terminal connections. Follow the wiring diagram provided with your system or equipment. The relay has DPST-NO contacts. Connect the control circuit to the 24VDC input terminals and the load circuits to the appropriate screw terminals for the 220VAC, 25 amp load. Ensure all connections are tight and secure to prevent loose contacts and potential hazards.
- Identify the control input terminals (24VDC).
- Identify the load output terminals (220VAC, 25A).
- Strip wire insulation to the appropriate length for screw terminals.
- Insert wires into the correct terminals and tighten screws securely. Do not overtighten to avoid damaging the terminals.
- Comproveu dues vegades que tot el cablejat sigui correcte i segur abans de restablir l'alimentació.
6. Funcionament
The Omron G7L-2A-BUBJ-CB-DC24 relay functions by using a small 24VDC control signal to switch a larger 220VAC, 25 amp load. When the 24VDC control voltage is applied, the internal mechanism activates, closing the Normally Open (NO) contacts and allowing current to flow through the connected load circuit.
6.1 Test Button Functionality
The integrated test button allows for manual verification of the relay's switching action without applying the control voltage. Pressing the test button will manually close the contacts, enabling you to check the continuity of the load circuit or confirm the mechanical operation of the relay. Release the button to return the contacts to their normally open state.
7. Manteniment
Regular inspection and basic maintenance can help ensure the longevity and reliable operation of your Omron relay.
- Inspecció visual: Periodically inspect the relay for any signs of physical damage, discoloration, or loose connections.
- Estanquitat del terminal: Ensure all screw terminals remain tight. Loose connections can lead to overheating and intermittent operation.
- Condicions ambientals: Verifiqueu que l'entorn operatiu es mantingui dins dels límits de temperatura i humitat especificats.
- Neteja: Si cal, netegeu suaument l'exterior del relé amb un drap sec i suau. No utilitzeu dissolvents ni netejadors abrasius.
8. Solució De Problemes
If the relay is not functioning as expected, consider the following troubleshooting steps:
- No Switching Action:
- Check if the 24VDC control voltage is correctly applied to the input terminals.
- Verify the control circuit wiring for continuity and correct polarity.
- Use the test button to confirm the mechanical operation of the relay. If the test button works but electrical activation does not, the issue may be with the control signal.
- La càrrega no rep energia:
- Ensure the 220VAC power source for the load is active and correctly wired to the relay's load terminals.
- Check the load circuit wiring for breaks or loose connections.
- Confirm that the relay contacts are closing when activated (either by control signal or test button).
- Overheating/Unusual Noise:
- Desconnecteu immediatament l'alimentació.
- Check for loose wiring connections at the terminals.
- Ensure the load current does not exceed the relay's 25 amp qualificació.
- Verifiqueu el vol d'entradatage is stable and within the 24VDC specification.
If problems persist after performing these checks, consult a qualified electrician or contact Omron technical support.
9. Garantia i Suport
For warranty information, technical support, or service inquiries regarding your Omron G7L-2A-BUBJ-CB-DC24 General Purpose Relay, please refer to the official Omron website or contact your authorized Omron distributor. Keep your purchase receipt for warranty claims.
