55.34.9.024.2090 Finder Miniature plugin relay 4 pole 7A DC 24V

Why Choose the Finder 55.34.9.024.2090 Industrial Relay?

The Finder 55.34.9.024.2090 is a high-quality four-pole changeover (4PDT) industrial electromagnetic relay designed for reliable electrical switching in automation, machinery control and industrial electrical systems. As part of the established Finder 55 Series miniature general-purpose relay range, it combines versatile contact switching, compact construction and convenient plug-in installation.

Featuring a 24 V DC operating coil and four changeover contacts rated at 7 A, this relay provides dependable switching for multiple independent electrical circuits. The model incorporates a lockable test button, LED status indication and an integrated suppression diode, supporting convenient testing, visual monitoring and protection against coil switching transients.

The Finder 55.34.9.024.2090 uses silver-cadmium oxide (AgCdO) contacts and offers a 250 V AC rated contact voltage with a nominal AC1 switching capacity of 1,750 VA. Its plug-in construction allows straightforward installation into compatible Finder relay sockets, making it suitable for industrial control panels, PLC interfaces, electrical interlocking and general-purpose switching applications.

Key Advantages

• Reliable industrial electromagnetic relay designed for control and automation systems.
• Four changeover contacts (4PDT) enable simultaneous switching of multiple independent circuits.
• 7 A rated contact current for general-purpose electrical switching.
• 24 V DC operating coil compatible with industrial DC control systems.
• Lockable test button enables manual relay operation during commissioning and maintenance.
• Integrated LED indicator provides visual confirmation of coil energisation.
• Built-in suppression diode helps limit voltage transients when the coil is switched off.
• AgCdO contact material provides durable switching performance.
• Plug-in design simplifies installation, inspection and replacement.
• Compact construction supports space-efficient industrial control panel layouts.

Key Features

• Finder 55 Series miniature general-purpose relay.
• 4PDT (4 Form C) contact configuration.
• Four independent changeover contacts.
• 7 A nominal contact current.
• 24 V DC rated coil voltage.
• 250 V AC rated contact voltage.
• 1,750 VA AC1 switching capacity.
• Silver-cadmium oxide (AgCdO) contacts.
• Integrated lockable test button for manual operation.
• Built-in LED coil status indicator.
• Integrated flyback suppression diode with positive polarity at terminal A1/13.
• 600 Ω nominal coil resistance.
• Electromagnetic, monostable switching operation.
• Plug-in terminals for compatible relay sockets.
• Suitable for industrial control, signalling and automation applications.

Reliable DC Relay Switching for Industrial Automation

The Finder 55.34.9.024.2090 operates by applying a 24 V DC control voltage to its electromagnetic coil. When energised, the relay actuates its four changeover contacts, allowing connected electrical circuits to be switched simultaneously. When the coil is de-energised, the contacts return to their normal positions.

The integrated LED indicator and lockable test button provide practical advantages during commissioning, fault diagnosis and routine maintenance. The LED offers a visual indication of coil energisation, while the test button enables manual operation of the relay contacts for functional checks. The lockable test function should only be used under appropriate electrical safety procedures.

An integrated suppression diode helps protect connected electronic control equipment from voltage spikes generated when the electromagnetic coil is switched off. Because the diode is polarity-sensitive, the positive DC supply must be connected to terminal A1/13 as specified for this relay configuration.

The relay's AgCdO contacts provide dependable switching characteristics for industrial applications, while its plug-in construction supports convenient replacement without disturbing the permanent wiring of a compatible socket. These features make the Finder 55.34.9.024.2090 suitable for PLC-controlled equipment, machine automation and electrical control systems.

Typical Applications

• Industrial automation and PLC control panels.
• 24 V DC electrical control circuits.
• Machine control and production equipment.
• Electrical interlocking and sequencing systems.
• Motor starter auxiliary control circuits.
• Industrial alarm and signalling equipment.
• Control circuit interfacing and auxiliary switching.
• Building automation and equipment control systems.
• Electrical distribution board control circuits.
• Maintenance and replacement of compatible Finder 55 Series relay installations.