Current monitoring relay PRI-51/1 002471816

Current monitoring relay – reliable installation protection

The PRI-51/1 current monitoring relay is a device designed to monitor current in electrical circuits. It provides effective protection against overloads and short circuits, which translates to increased safety and reliability of the installation. It is a key element in automation and control systems where precise control of electrical parameters is essential.

Functionality and application

The device is designed to work with single-phase circuits. Its current measurement range (0.1…1 A) allows it to be used in a variety of applications, from protecting electric motors, through load monitoring, to controlling the operation of heating devices. The use of clamp terminals facilitates quick and secure connection of wires. The PRI-51/1 relay has one changeover contact, which allows it to be integrated with various signaling and control systems.

Construction and mounting

Compact dimensions (width 18 mm, height 90 mm, depth 65 mm) allow for easy installation of the relay on a DIN rail. The solid construction ensures resistance to environmental conditions prevailing in electrical switchboards. Characteristic C allows it to react more slowly to short current surges, therefore it tolerates starting devices with a motor well. Installation is intuitive and does not require specialized tools – just mount it on a DIN rail and connect the wires to the clamp terminals.

Key product features:

• Wide measurement range: 0.1…1 A – flexibility in selection for various applications.
• Overcurrent control: effective protection against overloads and short circuits.
• Clamp terminals: quick and secure wire connection without the need for tools.
• Compact dimensions: easy installation in tight spaces of electrical switchboards.
• One changeover contact: possibility of integration with signaling and control systems.
• DIN rail mounting: standard mounting method facilitating integration with existing infrastructure.

Applications:

• Protection of electric motors against overload
• Load monitoring in electrical installations
• Control of heating device operation
• Building automation systems
• Electrical switchboards
• Control panels