Why Choose the Finder 62.33.8.120.4040 Power Relay?
The Finder 62.33.8.120.4040 is a robust 16 A three-pole electromechanical power relay designed for reliable switching in industrial automation, machinery control and electrical control panels. Part of the established Finder 62 Series, this model features a 120 V AC operating coil, three changeover contacts (3 CO / 3PDT), a lockable manual test button and a mechanical indicator. These features make it particularly suitable for applications where dependable switching, visual contact-status indication and convenient maintenance access are important.
The relay's three independent changeover contacts allow three electrical circuits to be switched simultaneously using a single control signal. Each contact set provides common, normally open and normally closed connections, making the Finder 62.33.8.120.4040 suitable for electrical interlocking, auxiliary power switching, signalling and multi-circuit control. Its silver tin oxide (AgSnO2) contact material offers good resistance to contact welding and supports reliable operation with appropriately rated industrial loads.
A key advantage of the 62.33.8.120.4040 is its integrated lockable test button and mechanical flag indicator. The test button allows technicians to operate the relay contacts manually during commissioning or fault-finding, while the mechanical indicator provides a visual indication of the relay's operating position. Combined with Faston 187 quick-connect terminals, compatibility with suitable Finder 92 Series sockets and reinforced insulation between the coil and contacts, this relay provides a versatile solution for electrical engineers, industrial panel builders and maintenance professionals.
Key Advantages
- 16 A three-pole power relay for industrial electrical switching applications.
- 120 V AC operating coil for compatible alternating-current control systems.
- Three changeover contacts (3 CO / 3PDT) enable simultaneous switching of three independent circuits.
- Lockable manual test button supports commissioning, maintenance and diagnostic procedures.
- Mechanical flag indicator provides visual confirmation of relay operating position.
- 250 V AC rated contact voltage for appropriately rated industrial electrical loads.
- 4,000 VA resistive switching capacity (AC1) supports suitable power switching applications.
- Silver tin oxide (AgSnO2) contacts offer good resistance to contact welding.
- Faston 187 quick-connect terminals support convenient electrical connections.
- Finder 92 Series socket compatibility supports plug-in installation and relay replacement.
- Reinforced coil-to-contact insulation provides electrical separation between control and load circuits.
- Monostable electromagnetic operation returns the contacts to their normal positions when electrically de-energised, provided the manual test mechanism is not latched.
Key Features
- Finder 62 Series industrial power relay.
- 62.33 three-pole relay configuration.
- 120 V AC nominal coil voltage.
- 50/60 Hz AC coil operation.
- Three changeover contacts (3 CO / 3PDT).
- 16 A rated contact current.
- 250 V AC rated contact voltage.
- 400 V AC maximum switching voltage.
- 4,000 VA rated resistive switching load (AC1).
- 750 VA rated AC15 switching load at 230 V AC.
- Silver tin oxide (AgSnO2) contact material.
- Lockable manual test button for convenient manual contact actuation.
- Mechanical flag indicator for visual relay position indication.
- 2.2 VA nominal AC coil consumption.
- Faston 187 quick-connect terminals measuring 4.8 × 0.5 mm.
- Plug-in installation using compatible Finder 92 Series sockets.
- Reinforced coil-to-contact insulation.
- 6 kV rated impulse withstand voltage between coil and contacts.
- Monostable electromagnetic switching.
- Cadmium-free AgSnO2 contact material.
- Standard 4040 configuration without an integrated LED indicator.
Reliable 120 V AC Switching with Manual Testing and Mechanical Indication
The Finder 62.33.8.120.4040 uses an electromagnetic switching mechanism to operate three independent changeover contacts. When the 120 V AC coil is energised, the relay's internal armature transfers all three contacts from their normally closed positions to their normally open positions. This allows a single AC control signal to switch three separately wired electrical circuits. When the coil supply is removed, the contacts return to their normal positions, provided the manual test mechanism is not locked in the operated position.
The integrated lockable manual test button allows technicians to operate the relay mechanically during commissioning and troubleshooting. In the normal momentary-test configuration, pressing the button operates the contacts and releasing it allows them to return. Where the manufacturer's locking feature has been enabled, the button can be pressed and rotated to maintain the operated position until manually released. The mechanical flag indicator shows the relay's mechanical operating state without requiring an LED or separate electrical indicator. Manual operation must only be performed under appropriate electrical safety conditions and must never be treated as a substitute for isolation.
Compared with the Finder 62.33.8.120.4030, which provides LED coil indication, the 62.33.8.120.4040 is configured with a lockable manual test button and mechanical indicator. This makes it particularly suitable for installations where technicians require direct manual testing and visible mechanical position indication rather than an illuminated coil-status display.
Typical Applications
- Industrial automation and machinery control systems.
- 120 V AC electrical control circuits.
- Three-pole auxiliary switching applications.
- Electrical control panels and industrial cabinets.
- Multi-circuit electrical interlocking systems.
- Industrial process control and manufacturing machinery.
- Control of contactors and auxiliary electrical equipment.
- Industrial signalling and monitoring circuits.
- Heating, ventilation and air conditioning control equipment.
- Electrical control assemblies requiring mechanical position indication.
- Industrial machinery requiring manual relay testing during commissioning.
- Motor control auxiliary circuits within specified switching ratings.
- OEM machinery and industrial equipment manufacturing.
- Maintenance and replacement of compatible Finder 62.33 relays.
