55.34.9.110.2040 Finder Miniature plugin relay 4 pole 7A DC 110V

Why Choose the Finder 55.34.9.110.2040 Miniature Industrial Relay?

The Finder 55.34.9.110.2040 is a versatile miniature industrial electromagnetic relay from the established Finder 55 Series, designed for dependable electrical switching in automation systems, industrial machinery and control panels. Featuring a 110 V DC nominal coil and four changeover contacts (4 CO / 4PDT), this relay provides a practical solution for controlling multiple electrical circuits through a single control signal.

The Finder 55.34 configuration combines four independent changeover contact sets with a compact plug-in construction. Each contact set provides common, normally open and normally closed connections, allowing engineers to implement switching, signalling, equipment interfacing and auxiliary control functions within one relay assembly.

With a 7 A nominal contact current rating and a 250 V AC nominal contact voltage associated with the Finder 55.34 configuration, the 55.34.9.110.2040 is suitable for appropriately rated industrial switching applications. Its 110 V DC coil makes it particularly relevant to industrial control systems using this DC supply voltage, while its monostable operation provides predictable switching and automatic contact return when the coil supply is removed.

Key Advantages

• 110 V DC nominal coil: Suitable for compatible industrial DC control circuits.
• Four changeover contacts: Enables coordinated switching of four independent electrical circuits.
• 7 A nominal contact rating: Provides switching capability for appropriately rated industrial control loads.
• 4PDT contact arrangement: Offers normally open and normally closed switching functions for each pole.
• Plug-in installation: Supports straightforward mounting in compatible Finder relay sockets.
• Convenient maintenance: Allows relay replacement without disconnecting permanent socket wiring.
• Compact construction: Suitable for control panels and equipment where installation space is limited.
• Monostable operation: Automatically returns contacts to their normal positions when the coil supply is removed.
• Flexible circuit control: Supports signalling, interlocking, switching and automation interfaces.

Key Features

• Finder 55 Series miniature industrial electromagnetic relay.
• Type 55.34 four-pole changeover configuration.
• 110 V DC nominal coil voltage.
• Four changeover contacts (4 CO / 4PDT / 4 Form C).
• 7 A nominal contact current.
• 250 V AC nominal contact voltage.
• Electromagnetic, monostable switching mechanism.
• Four mechanically linked, independently wired changeover contact sets.
• Common, normally open and normally closed connections for each pole.
• Plug-in terminal arrangement for compatible relay sockets.
• Suitable for compatible Finder 94 Series relay socket configurations.
• Compact construction for industrial control equipment.
• Suitable for multi-circuit switching, electrical signalling and automation interfaces.

Reliable Four-Pole Switching for Industrial Control Systems

The Finder 55.34.9.110.2040 uses an electromagnetic coil to operate four changeover contact sets. When the appropriate 110 V DC control voltage is applied, the relay changes the position of all four contacts. When the coil supply is removed, the contacts return to their normal positions, providing conventional monostable relay operation.

Each changeover contact provides a common terminal that switches between normally closed and normally open connections. The 4PDT arrangement allows one control signal to perform several switching functions simultaneously, such as operating auxiliary circuits, changing equipment status signals and controlling separate electrical loads.

The relay's 7 A nominal contact rating supports appropriately rated industrial switching applications. Actual permissible switching capacity depends on the connected load, operating voltage, inrush current, power factor and switching frequency. Inductive loads, motors and electronic power supplies may require suitable contact protection or additional switching devices.

Its plug-in construction offers practical maintenance benefits. When installed in a compatible relay socket, the relay can be removed and replaced without disturbing the permanent control panel wiring. This helps simplify equipment servicing, fault investigation and component replacement.

For 110 V DC coil operation, engineers should consider appropriate suppression when switching the coil supply. Any suppression device should be selected for the relay's coil voltage and required release characteristics, ensuring dependable operation within the intended control circuit.

Typical Applications

• Industrial automation and machine control systems.
• Electrical control panels and distribution equipment.
• PLC-associated auxiliary control and interface circuits.
• Industrial machinery and OEM electrical equipment.
• Building automation and equipment control systems.
• Multi-circuit switching and signal distribution.
• Electrical signalling and equipment status indication.
• Control circuit changeover and interlocking arrangements.
• Four-pole switching applications using 110 V DC control supplies.
• Maintenance and replacement of compatible Finder 55.34 relays.