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Finder 55.34.8.036.0054 – 55 Series Miniature General Purpose Relays
Finder 55.34.8.036.0054 is a 7 A miniature general purpose plug-in relay featuring a 36 V AC coil, four changeover contacts, silver-nickel contact material, a lockable test button, mechanical flag indicator and integrated LED for industrial automation and electrical control applications.
£9.59
Why Choose the Finder 55.34.8.036.0054 Miniature General Purpose Relay?
The Finder 55.34.8.036.0054 is a compact 7 A miniature general purpose electromechanical relay designed for industrial automation, machinery control and electrical control panels. Part of the established Finder 55 Series, this plug-in relay features a 36 V AC coil, four changeover contacts and silver-nickel (AgNi) contact material for dependable switching of appropriately rated electrical loads.
The four-pole double-throw (4PDT) contact configuration provides four separate changeover circuits operated by a common electromagnetic coil. This allows one control signal to operate multiple circuits simultaneously, making the Finder 55.34.8.036.0054 suitable for auxiliary control, electrical interlocking, equipment signalling and industrial automation applications.
This variant includes a lockable test button, mechanical flag indicator and integrated LED indicator, offering convenient manual testing and visual monitoring of relay operation. With a 7 A rated contact current, 250 V AC rated contact voltage and 1,750 VA AC1 switching capacity, the relay combines practical industrial switching capability with convenient plug-in installation using compatible Finder Series 94 sockets.
Key Advantages
- 7 A rated contact current for appropriately specified electrical loads.
- 36 V AC nominal coil for compatible industrial AC control circuits.
- Four changeover contacts (4 CO / 4PDT) enable switching of multiple circuits from one control signal.
- Silver-nickel (AgNi) contacts provide dependable general purpose switching performance.
- Integrated LED indicator provides visual indication of coil energisation.
- Mechanical flag indicator displays the relay's contact operating state.
- Lockable test button supports manual testing and commissioning.
- 250 V AC rated contact voltage for compatible electrical equipment.
- 1,750 VA AC1 switching capacity for resistive AC loads.
- Plug-in mounting supports convenient installation and replacement using a compatible socket.
- RT I environmental protection category identifies the standard relay enclosure construction.
- Compact construction helps conserve space in electrical control cabinets.
Key Features
- Finder 55 Series miniature general purpose relay.
- 55.34 relay type with four changeover contacts.
- 4 CO / 4PDT contact configuration.
- 36 V AC nominal coil voltage.
- AC coil operation at 50/60 Hz.
- 7 A rated contact current.
- 250 V AC rated contact voltage.
- 1,750 VA rated AC1 switching capacity.
- Silver-nickel (AgNi) contact material.
- Lockable test button for manual relay operation.
- Mechanical flag indicator for contact-state indication.
- Integrated LED indicator for AC coil status.
- Plug-in electrical connection for compatible Finder Series 94 sockets.
- RT I environmental protection category.
- Non-latching, monostable operation.
- −40 to +85 °C operating temperature range.
- Cadmium-free standard AgNi contact construction.
Reliable Electrical Switching for Industrial Automation
The Finder 55.34.8.036.0054 provides dependable electromechanical switching for industrial control circuits and electrical equipment. When the 36 V AC coil is energised, the relay's four changeover contacts transfer from their normally closed positions to their normally open positions. The integrated LED indicator provides visual indication of coil energisation, while the mechanical flag indicates the relay's operating state.
The Finder 55 Series is particularly suitable for automation engineers, electrical panel builders and maintenance professionals requiring versatile plug-in relay solutions. The lockable test button supports controlled manual testing during commissioning and troubleshooting, while the socket-mounted construction allows convenient relay replacement. For motors, inductive loads and circuits with high inrush currents, the applicable load-specific switching ratings must be checked rather than relying solely on the AC1 resistive-load rating.
Typical Applications
- Industrial automation and electrical control panels.
- PLC interface and auxiliary switching circuits.
- Industrial machinery control equipment.
- Electrical interlocking and multi-circuit control logic.
- Building automation and equipment control systems.
- Heating, ventilation and air conditioning control panels.
- Equipment monitoring and status indication circuits.
- Automated production and process control equipment.
- OEM machinery and electrical control cabinets.
- Control circuits requiring four changeover contacts.
- Maintenance and commissioning applications requiring manual relay testing.
Technical Specifications
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| Device Type | Plug-in Relay | |
|---|---|---|
| Mounting Type | Plug-in socket | |
| Switching Current (A) | 7 A | |
| Manufacturer | Finder | |
| Series | 55 Series General Purpose Relays | |
| Model | 55.34.8.036.0054 | |
| Product type | Miniature general purpose electromechanical relay | |
| Relay configuration | 55.34 | |
| Contact arrangement | 4 CO / 4PDT | |
| Number of poles | 4 | |
| Nominal coil voltage | 36 V AC | |
| Coil supply type | AC | |
| Coil frequency | 50/60 Hz | |
| Coil operating voltage range | 80–110% of nominal voltage | |
| Rated contact current | 7 A | |
| Rated contact voltage | 250 V AC | |
| Rated switching capacity (AC1) | 1,750 VA | |
| Contact material | Silver-nickel (AgNi) | |
| Contact operation | Four changeover contacts | |
| Electrical endurance | 200,000 operations under specified AC1 test conditions | |
| Mechanical endurance | 20 million operations | |
| Operate time | Approximately 10 ms | |
| Release time | Approximately 5 ms | |
| Coil-to-contact impulse withstand voltage | 4 kV | |
| Test button | Lockable | |
| Mechanical indication | Flag indicator | |
| Electrical indication | Integrated LED for AC coil | |
| Operating ambient temperature | −40 to +85 °C | |
| Environmental protection category | RT I | |
| Mounting type | Plug-in socket mounting | |
| Compatible socket family | Finder Series 94 | |
| Electrical connection | Plug-in terminals | |
| Relay operation | Non-latching / monostable |
Frequently Asked Questions
What is the Finder 55.34.8.036.0054 used for?
The Finder 55.34.8.036.0054 is a miniature general purpose relay designed for switching electrical circuits in industrial automation, machinery control panels, PLC interfaces and auxiliary control applications. Its four changeover contacts allow one coil signal to control multiple circuits.
What coil voltage does the Finder 55.34.8.036.0054 require?
The relay operates with a 36 V AC nominal coil voltage at 50/60 Hz. It should be connected to a compatible AC control supply in accordance with the manufacturer's electrical specifications.
What is the contact rating of the Finder 55.34.8.036.0054?
The relay features four changeover contacts rated at 7 A, with a 250 V AC rated contact voltage and a 1,750 VA AC1 switching capacity. The permissible switching load depends on the connected equipment and applicable utilisation category.
Does the Finder 55.34.8.036.0054 include an LED and test button?
Yes. This variant includes an integrated LED indicator, mechanical flag indicator and lockable test button. The LED indicates coil energisation, the mechanical flag shows the relay's operating state and the test button allows manual operation during appropriate testing and commissioning procedures.
How is the Finder 55.34.8.036.0054 installed?
The relay uses a plug-in mounting arrangement and is installed into a compatible Finder Series 94 relay socket. The socket can be selected according to the required panel or PCB installation arrangement, with the appropriate electrical ratings and terminal configuration.
Trusted by Automation Engineers and Equipment Manufacturers Worldwide
Finder 55 Series miniature general purpose relays provide dependable electrical switching for industrial automation, electrical control panels and machinery applications. The Finder 55.34.8.036.0054 combines a 36 V AC coil, four 7 A changeover contacts, silver-nickel contact material, a lockable test button, mechanical flag indication and an integrated LED to support efficient installation, monitoring and maintenance in professionally designed electrical control systems.
