Why Choose the Finder 66.82.8.120.4000 Power Relay?
The Finder 66.82.8.120.4000 is a robust and reliable 30 A electromechanical power relay designed for switching electrical loads in industrial automation, power management and electrical control systems. As part of the established Finder 66 Series power relay range, it combines high-current switching capability with a flange-mounted construction and Faston quick-connect terminals, making it suitable for industrial equipment manufacturers, electrical engineers and OEM automation applications.
This relay features a 120 V AC operating coil and a two-pole changeover (DPDT) contact arrangement, enabling two independent electrical circuits to be switched between normally closed and normally open contact positions using a single control signal. The Finder 66 Series incorporates reinforced insulation between the coil and contacts, providing dependable electrical separation between control and load circuits.
With a 30 A rated normally open contact current, a 10 A normally closed contact rating and a 250 V AC rated contact voltage, the Finder 66.82.8.120.4000 is suitable for industrial machinery, heating equipment, HVAC systems and automated electrical assemblies. Its flange-mounted design and Faston 250 terminals enable secure installation and convenient wiring in industrial electrical equipment.
Key Advantages
- High-capacity 30 A power relay for industrial electrical switching applications.
- 120 V AC coil voltage suitable for compatible AC-powered control circuits.
- Two-pole changeover (DPDT) contacts provide flexible switching between normally open and normally closed circuits.
- 30 A normally open and 10 A normally closed contact ratings support different electrical switching requirements.
- Flange-mounted construction enables secure installation in electrical equipment and control assemblies.
- Faston 250 quick-connect terminals simplify electrical connections and servicing.
- Reinforced insulation between the coil and contacts improves electrical separation.
- 8 mm creepage and clearance distances between coil and contact circuits.
- Silver tin oxide contacts support dependable switching performance.
- Robust electromagnetic construction suitable for industrial machinery and OEM equipment.
Key Features
- Finder 66 Series electromechanical power relay.
- 120 V AC nominal coil voltage.
- 50/60 Hz AC coil operation.
- 30 A rated normally open contact current.
- 10 A rated normally closed contact current.
- 2 CO (DPDT) contact configuration.
- Non-latching electromagnetic relay operation.
- Silver tin oxide (AgSnO₂) contact material.
- Flange mounting with Faston 250 connections.
- 6.3 × 0.8 mm quick-connect terminals.
- Reinforced coil-to-contact insulation according to EN 60335-1.
- 6 kV impulse withstand voltage between coil and contacts.
- Suitable for industrial automation, electrical load switching and power control applications.
Reliable Electrical Switching for Industrial Automation
Electromechanical power relays such as the Finder 66 Series allow lower-power electrical control signals to switch higher-current loads. When the relay coil is energised, its internal electromagnetic mechanism transfers the changeover contacts from their normally closed positions to their normally open positions. When the coil is de-energised, the contacts return to their original positions, enabling controlled switching between electrical circuits.
The Finder 66.82.8.120.4000 provides a practical switching solution for industrial control panels, heating equipment and automated machinery. Its dual changeover contact arrangement offers flexibility for switching two independent circuits, while reinforced insulation, flange mounting and Faston quick-connect terminals support straightforward integration into electrical assemblies. The combination of a 120 V AC control coil and high-current normally open contacts makes this relay suitable for demanding industrial switching applications.
Typical Applications
- Industrial automation and electrical control systems.
- Power distribution and electrical switching assemblies.
- Industrial heating equipment, boilers and furnaces.
- Air conditioning and HVAC control systems.
- Industrial ovens and commercial appliances.
- Industrial washing machines and equipment control.
- Power management and standby generator control systems.
- Motor control and auxiliary switching circuits.
- Electrical load management and power control equipment.
- OEM machinery and industrial electrical assemblies.
