1. Introduktion
This manual provides comprehensive instructions for the safe and efficient use of the Hager SBN125 1-Pole Circuit Breaker. The SBN125 is a non-automatic switch designed for short-circuit protection in electrical installations, rated for 25 Amperes and 230 Volts. It is intended for mounting on a DIN-rail. Please read this manual thoroughly before installation and operation to ensure proper function and safety.
Figure 1: Hager SBN125 1-Pole Circuit Breaker. This image shows the front view of the circuit breaker, typically mounted on a DIN-rail, with its toggle switch for manual operation.
2. Sikkerhedsoplysninger
ADVARSEL: Electrical installations should only be performed by qualified and licensed electricians. Failure to follow these safety instructions can result in electric shock, fire, serious injury, or death.
- Always disconnect power at the main service panel before installing, servicing, or removing the circuit breaker.
- Kontroller, at voltage and current ratings of the circuit breaker match the requirements of your electrical system.
- Do not use the circuit breaker if it appears damaged or has been dropped.
- Sørg for, at alle forbindelser er tætte og sikre for at forhindre overophedning og buedannelse.
- This device is designed for short-circuit protection. It is not intended for overload protection or as a primary ON/OFF switch for frequent operation.
- Betjenes inden for det specificerede temperaturområde på -20°C til 50°C.
3. Opsætning og installation
The Hager SBN125 circuit breaker is designed for easy installation on a standard DIN-rail within an electrical distribution board.
3.1 Pakkens indhold
- 1x Hager SBN125 1-Pole Circuit Breaker
3.2 Installationstrin
- Strømafbrydelse: Before beginning any work, ensure that the main power supply to the electrical panel is completely disconnected and locked out to prevent accidental re-energization.
- Montering: Locate an available space on the DIN-rail within your electrical distribution board. Position the SBN125 circuit breaker onto the DIN-rail, ensuring it clicks securely into place.
- Ledningsføring:
- Connect the incoming phase (live) wire to the top terminal of the circuit breaker.
- Connect the outgoing phase (live) wire to the bottom terminal of the circuit breaker, leading to the circuit it protects.
- Ensure all wire connections are stripped to the correct length and inserted fully into the terminals. Tighten the terminal screws firmly to the manufacturer's specified torque (if available) to prevent loose connections.
- Verifikation: Double-check all wiring for correctness and security. Ensure no bare wires are exposed.
- Gendan strøm: Once installation is complete and verified, restore power to the main service panel.
4. Betjeningsvejledning
The Hager SBN125 is a manual switch designed for short-circuit protection. It has two primary operating states:
- ON Position (Up): Pushing the toggle switch upwards connects the circuit, allowing electrical current to flow.
- OFF Position (Down): Pushing the toggle switch downwards disconnects the circuit, interrupting the electrical current.
In the event of a short circuit, the device is designed to interrupt the current flow, protecting the circuit. This is a non-automatic switch, meaning it does not trip automatically like a miniature circuit breaker (MCB) for overload protection. Its primary function is to provide a manual means of isolating a circuit and to offer short-circuit protection.
5. Vedligeholdelse
The Hager SBN125 circuit breaker requires minimal maintenance. Regular inspections are recommended to ensure continued safe operation.
- Visuel inspektion: Undersøg regelmæssigt afbryderen for tegn på fysisk skade, misfarvning eller løse forbindelser.
- Rensning: If necessary, gently clean the exterior of the circuit breaker with a dry, lint-free cloth. Do not use liquid cleaners or solvents. Ensure power is disconnected before cleaning.
- Professionelt tjek: It is advisable to have your electrical system, including circuit breakers, inspected by a qualified electrician periodically.
6. Fejlfinding
If you experience issues with your Hager SBN125 circuit breaker, consider the following common troubleshooting steps:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Circuit breaker does not switch ON. | No power to the circuit breaker; internal fault. | Check the main power supply. If power is present and the breaker still won't switch, it may be faulty and require replacement by a qualified electrician. |
| No power to the connected circuit. | Circuit breaker is OFF; loose wiring; faulty breaker. | Ensure the circuit breaker is in the ON position. Disconnect power and check all wiring connections for tightness. If issues persist, consult a qualified electrician. |
| Afbryderen føles varm. | Loose connections; excessive current (overload/short circuit). | Immediately disconnect power. Check for loose connections. While this device offers short-circuit protection, persistent heat may indicate an underlying issue in the circuit or an overload condition that this non-automatic switch is not designed to trip for. Consult a qualified electrician. |
For problems not listed here or if solutions do not resolve the issue, contact a qualified electrician or Hager customer support.
7. Specifikationer
| Mærke | Hager |
| Modelnummer | SBN125 |
| Type | 1-Pole Circuit Breaker (Non-Automatic Switch) |
| Nuværende vurdering | 25 Ampere |
| Voltage Bedømmelse | 230 volt |
| Monteringstype | DIN-skinne |
| Driftstemperatur | -20°C til 50°C |
| Antal poler | 1 |
| Batterier påkrævet | Ingen |
| Første ledige dato | 9. juni 2015 |
8. Garanti og support
Specific warranty information for the Hager SBN125 circuit breaker is not provided in the product details. Please refer to the official Hager website or contact your local Hager distributor for detailed warranty terms and conditions.
For technical support, installation queries, or any other assistance, please contact Hager customer service or a qualified electrician.