GEYER® Fuses — Circuit Safety and Protection

GEYER® fuses constitute a cornerstone in the protection of electrical installations. Designed with a focus on reliability, precision, and a high level of safety, they ensure protection against overcurrents, short circuits, and load failures.

Key Features and Benefits

  • GEYER fuses comply with international low-voltage standards (e.g., IEC 60269) that define the requirements for circuit fuse elements, for both residential and industrial applications.
  • They are available in a variety of types (single-pole, double-pole, triple-pole) and curve characteristics (e.g., B, C) to cover different loads and requirements.
  • They have a specified breaking capacity (e.g., 6 kA, 10 kA, etc.) to withstand short-circuit demands without damaging the panel contacts.
  • They easily integrate into DIN rail systems, offering quick replacement and maintenance.

Areas of Application

GEYER fuses are widely used in:

  • Residential installations, where protection is required for lighting, sockets, and small loads.
  • Commercial and industrial panels, for the protection of single-phase and three-phase circuits.
  • Automation systems and DIN rail panels, where modular and flexible installation is required.
  • Renewable energy source systems, where specialized fuses are used (e.g., in the area of DC protection).

GEYER® Residual Current Devices – Absolute Protection for Every Installation

The Residual Current Devices (RCDs) from GEYER® ensure the highest level of protection for people and installations against electric shock and fire hazards due to current leakage. They constitute an essential element in every modern panel, in compliance with international safety standards.

Basic Features

  • Immediate detection and interruption of the circuit in case of current leakage.
  • Available in various types:
    • AC Type – for alternating residual currents.
    • A Type – for alternating and pulsating DC residual currents, ideal for heat pumps, electrical appliances with inverters, etc.
    • F / B Type – for applications with complex loads and renewable energy source systems.
  • Full compliance with European standards (EN/IEC 61008 & 61009).
  • High mechanical and electrical durability for long-term use.
  • Easy mounting on DIN rail.

Applications

  • Residential installations (houses, apartments, Airbnb).
  • Commercial spaces (offices, stores, hotels).
  • Industrial installations & photovoltaic systems.
  • Electric vehicle charging stations.

GEYER® Load Switches – Reliable Isolation and Safety

The GEYER® Load Switches ensure the safe isolation and interruption of circuits under load, offering high level of protection and reliability in every electrical installation. They are constructed in compliance with international standards, providing guaranteed safety for the user and the equipment.

Basic Features

  • Available in various nominal currents (from 20A up to 125A and above).
  • Option to choose between single-pole, double-pole, triple-pole, or four-pole types.
  • Compatibility with DIN rail for easy mounting in panels.
  • High mechanical and electrical durability, suitable for frequent operations.
  • Safe isolation for maintenance or repair work.
  • Compliance with EN/IEC 60947-3 for use in residential, commercial, and industrial applications.

Applications

  • Residential and commercial distribution panels.
  • Industrial installations and infrastructure.
  • Renewable energy source systems (photovoltaics, charging stations).
  • Buildings with increased safety and reliability requirements.

L+N – Compact Phase & Neutral Protection

The L+N type switches and fuses from GEYER® offer comprehensive protection for both the phase (L) and neutral (N) conductors in a single, compact device. Thanks to their ergonomic design, they occupy less space in the panel and ensure easy and safe installation.

Key Advantages

  • Compact design → space-saving in distribution panels.
  • Dual protection safety → isolation of both conductors (L & N).
  • Ease of installation → quick mounting on DIN rail.
  • Reliability → in compliance with international safety standards.
  • Ideal for residential and commercial installations, where increased protection and functionality are required.

GEYER® Surge Protection Devices – Protection from Overvoltages and Lightning

The GEYER® Surge Protection Devices (SPD) constitute the first line of defense against overvoltages caused by lightning or electrical disturbances in the network.

Designed based on European standards, they effectively protect electrical equipment, devices, and installations from faults and damage.

Basic Features

  • Protection from direct and indirect lightning strikes, as well as transient overvoltages.
  • Available in Types 1, 2, and 3 (according to EN 61643-11) for every stage of protection:
    • Type 1 → Protection from direct lightning strike (for main panels, industrial installations).
    • Type 2 → Protection from indirect overvoltages (for general applications in distribution panels).
    • Type 3 → Additional protection for sensitive electronic devices.
  • Operational signaling indication for immediate checking of the surge protector status.
  • Easy replacement of cartridges without disconnecting the base.
  • Compatibility with DIN rail panels.

Applications

  • Residential and commercial installations.
  • Industrial panels and infrastructure buildings.
  • Photovoltaic systems and electric vehicle charging stations.
  • Data centers and areas with sensitive equipment.

Voltage Monitors GEYER® – Smart Protection from Grid Abnormalities

The GEYER® Voltage Monitors constitute a reliable solution for protecting electrical installations and devices from overvoltages, undervoltages, or phase asymmetry.

With **immediate response** and **operational precision**, they interrupt the circuit in case of dangerous deviations, safeguarding the equipment and ensuring the correct functioning of the network.

Basic Features

  • Continuous monitoring of voltage (single-phase or three-phase).
  • Immediate response to overvoltage, undervoltage, or phase loss/reversal.
  • Adjustable reset delays to avoid unwanted disconnections.
  • LED indicator lights for easy diagnosis of the status.
  • Compatibility with DIN rail for easy mounting in panels.
  • Full compliance with international safety standards.

Applications

  • Residential and commercial installations with sensitive equipment.
  • Industrial environments where protection of machinery and automation systems is required.
  • Heat pumps, air conditioners, refrigerators, and HVAC systems.
  • Electric vehicle charging stations and photovoltaic installations.

GEYER® Time Switches – Control with Precision and Ease

The GEYER® Time Switches offer smart and reliable management of the operating time for electrical loads, ensuring energy savings, convenience, and equipment protection.

They are ideal for automation in residential, commercial, and industrial applications.

Basic Features

  • Available in mechanical and digital time switches, depending on the installation needs.
  • Capability for daily or weekly programming.
  • Adjustment precision and easy parameter setting.
  • Compatible with DIN rail for mounting in electrical panels.
  • Options with backup battery to retain settings during a power outage.
  • Compliance with international standards for safety and reliability.

Applications

  • Residential installations: control of water heaters, lighting, heating.
  • Commercial spaces: lighting for shop windows, security systems, air conditioning.
  • Industry: production automation, ventilation systems, machinery.
  • Smart applications: in combination with relays and energy meters for integrated control.