Why Choose the Finder 66.82.8.110.4000 Power Relay?
The Finder 66.82.8.110.4000 is a robust and reliable electromechanical power relay designed for high-current electrical switching in industrial automation, electrical control and power management systems. As part of the established Finder Series 66 power relay range, it combines a double-pole changeover contact arrangement, reinforced electrical insulation and a flange-mounted construction for dependable operation in demanding electrical applications.
The Finder 66.82.8.110.4000 features double-pole double-throw (DPDT / 2 CO) contacts, enabling two independent electrical circuits to be switched using a single electromagnetic coil. Its silver tin oxide (AgSnO2) contact material provides reliable switching performance, while the reinforced insulation between the coil and contacts helps maintain effective electrical separation between control and load circuits.
With a 110 V AC operating coil, 30 A normally open contact rating and 250 V AC rated contact voltage, the Finder 66.82.8.110.4000 is suitable for industrial machinery, heating systems, HVAC equipment and electrical control applications. Its flange-mounted housing and Faston 250 quick-connect terminals allow straightforward installation and integration into industrial electrical assemblies.
Key Advantages
- Robust electromechanical power relay designed for industrial switching applications.
- 110 V AC nominal coil voltage suitable for compatible industrial AC control circuits.
- Double-pole changeover (DPDT / 2 CO) contacts for flexible switching of two independent circuits.
- 30 A normally open contact rating for high-current resistive loads.
- Silver tin oxide (AgSnO2) contacts for reliable electrical switching performance.
- Reinforced insulation between coil and contacts for improved electrical separation.
- Flange-mounted construction provides secure mechanical installation.
- Faston 250 quick-connect terminals simplify wiring, servicing and replacement.
- Non-latching electromagnetic operation for straightforward control.
- Wide operating temperature range suitable for industrial electrical equipment.
Key Features
- Finder Series 66 high-current power relay.
- 66.82 flange-mounted relay design.
- 110 V AC nominal coil voltage, 50/60 Hz.
- 2 CO / DPDT contact configuration.
- 30 A rated normally open contact current.
- 10 A rated normally closed contact current.
- 250 V AC rated contact voltage.
- 440 V AC maximum switching voltage.
- 7,500 VA AC1 switching capacity for normally open contacts.
- 2,500 VA AC1 switching capacity for normally closed contacts.
- Silver tin oxide (AgSnO2) contact material.
- 3.6 VA nominal AC coil consumption.
- Reinforced coil-to-contact insulation with 8 mm creepage and clearance distances.
- 6 kV rated impulse withstand voltage between coil and contacts.
- Faston 250 terminals for quick-connect electrical wiring.
- Flange / chassis mounting for secure installation.
- −40 to +70 °C ambient operating temperature range.
Reliable High-Current Switching for Industrial Control Systems
Electromechanical power relays such as the Finder 66.82.8.110.4000 provide an effective method of controlling electrical loads using a separate AC-powered control circuit. When the relay coil is energised, its electromagnetic mechanism transfers the changeover contacts from their normally closed positions to their normally open positions. This allows connected electrical equipment to be switched without routing the load current directly through the control device.
The Finder Series 66.82 is engineered for applications requiring dependable high-current switching, reinforced electrical insulation and secure mechanical installation. Its silver tin oxide contacts support reliable switching performance, while the flange-mounted housing and Faston 250 terminals simplify integration into electrical panels and industrial equipment. The double-pole changeover arrangement provides flexibility for control, changeover and auxiliary switching circuits.
Typical Applications
- Industrial automation and electrical control systems.
- High-current power switching and distribution control circuits.
- Heating, ventilation and air conditioning (HVAC) equipment.
- Industrial heating systems, boilers and furnaces.
- Industrial machinery and manufacturing equipment.
- Commercial appliances and electrical processing equipment.
- Motor control and auxiliary switching within rated limits.
- Electrical control panels and power management assemblies.
- OEM machinery and industrial electrical equipment.
- Automation systems requiring double-pole changeover switching.
