Rotary modular switch network - generator 40A PSR-440

Network-Generator Switch – Ensure Power Continuity

This 4-pole, modular network-generator switch with a rated current of 40A is a reliable solution for switching between the electrical grid and a generator. The device is ideal for both installers and end-users who need to ensure uninterrupted power supply in the event of a power outage or lack of energy. Thanks to its solid construction and simple installation, the PSR-440 is a key element of emergency power systems.

Functionality and Application

The PSR-440 switch allows manual switching of the power supply from the grid to the generator, guaranteeing uninterrupted operation of critical devices and systems. Its versatility makes it suitable for use in homes, businesses, workshops, and anywhere where reliable power is required. The 1-0-2 switching program allows you to select one of two input lines or completely disconnect the circuits. The switch contacts function as a disconnector, allowing safe switching of the load to the rated current.

Construction Features and Installation

The housing made of durable plastic ensures durability and resistance to mechanical damage. The complete device in the housing facilitates installation and provides additional protection for internal components. The switch is adapted for mounting on a DIN rail or mounting plate, providing flexibility in choosing the installation location. Screw terminals allow connection of wires with a cross-section from 2.5 mm² to 35 mm², ensuring a safe and stable electrical connection. Compact dimensions (8 modules – 135x94x104 mm) allow installation in a limited space of the switchgear cabinet. The IP20 protection class provides protection against touching fingers and against the ingress of solid objects larger than 12.5 mm.

• Mechanical endurance: The switch withstands as many as 10,000 switching cycles, which guarantees long-term and trouble-free operation.
• Wide operating temperature range: The ability to operate at temperatures from -20°C to +50°C makes the device suitable for various environmental conditions.
• Rated continuous current: 40A allows servicing a wide range of electrical loads.
• Insulation voltage: 800V provides a high level of safety.
• Impulse voltage: 8kV protects against the effects of overvoltage in the electrical network.
• Housing material: Plastic – lightweight and corrosion resistance.
• Type of actuator: Short rotary handle – intuitive operation and quick switching.