Why Choose the Finder 66.82.8.012.4000 Power Relay?
The Finder 66.82.8.012.4000 is a robust flange-mounted electromechanical power relay designed for dependable switching of electrical loads in industrial automation, machinery control and commercial electrical equipment. As part of the established Finder Series 66 power relay range, it combines high-current switching capability with convenient Faston connections and reinforced electrical insulation.
Featuring a 12 V AC operating coil and a double-pole double-throw (DPDT) contact configuration, this relay enables two separate electrical circuits to be controlled through a common electromagnetic switching mechanism. Its silver tin oxide (AgSnO2) contacts provide good resistance to electrical wear and contact welding, supporting dependable performance in demanding switching applications.
The Finder 66.82 relay family provides 30 A normally open contact capability and 10 A normally closed contact capability, subject to the connected load and operating conditions. The top flange mounting arrangement and Faston 250 quick-connect terminals make the 66.82.8.012.4000 particularly suitable for electrical equipment requiring secure mechanical installation and accessible wiring connections.
Key Advantages
- Reliable Finder Series 66 electromechanical power relay for industrial electrical switching.
- 12 V AC operating coil suitable for low-voltage AC control circuits.
- DPDT contact configuration provides flexible control of two switching circuits.
- 30 A normally open contact capability for demanding electrical loads.
- Silver tin oxide (AgSnO2) contact material supports resistance to electrical wear and contact welding.
- Top flange mounting provides secure mechanical installation.
- Faston 250 terminals enable convenient electrical connections without PCB soldering.
- Reinforced insulation between coil and contacts supports electrical separation.
- Suitable for industrial automation, HVAC equipment, electrical heating and OEM machinery.
Key Features
- Finder Series 66 power relay.
- 12 V AC nominal coil voltage.
- 50/60 Hz AC coil operation.
- Two changeover contacts (DPDT / 2 CO).
- 30 A normally open contact rating.
- 10 A normally closed contact rating.
- 250 V AC rated contact voltage.
- 440 V AC maximum switching voltage, subject to application conditions.
- Silver tin oxide (AgSnO2) contact construction.
- Faston 250 terminals measuring 6.3 × 0.8 mm.
- Top flange mounting for secure installation in electrical equipment.
- Reinforced coil-to-contact insulation with 8 mm creepage and clearance distances.
- 6 kV impulse withstand capability between coil and contacts.
- Suitable for industrial control and high-current electrical load switching.
Reliable Electrical Switching for Industrial Automation and Power Control
Electromechanical power relays such as the Finder 66.82.8.012.4000 allow a low-voltage AC control circuit to operate separate electrical loads. When the 12 V AC coil is energised, the relay's electromagnetic mechanism changes the position of its internal contacts, allowing connected circuits to be switched according to the control signal. The two changeover contacts provide both normally open and normally closed switching functions for flexible electrical control arrangements.
The Finder Series 66 is designed for applications requiring dependable contact performance, robust construction and effective electrical separation between control and load circuits. The 66.82 configuration incorporates a top flange mounting arrangement and Faston 250 connections, making it suitable for electrical cabinets, industrial equipment and OEM assemblies where direct terminal connections are preferred. Correct conductor sizing, suitable terminal connectors and appropriate circuit protection are essential when switching higher-current loads.
Typical Applications
- Industrial automation and electrical control systems.
- Industrial machinery and equipment switching circuits.
- Heating, ventilation and air conditioning (HVAC) equipment.
- Industrial washing machines and commercial appliances.
- Burners, boilers and electrical heating control systems.
- Industrial ovens and furnace control equipment.
- Auxiliary motor control and electrical load switching.
- Power management and backup generator control equipment.
- OEM electrical assemblies requiring flange-mounted relays.
