66.82.8.240.4000 Finder Power relay 2pole 30A 240V

Why Choose the Finder 66.82.8.240.4000 Power Relay?

The Finder 66.82.8.240.4000 is a robust and reliable electromechanical power relay designed for high-current electrical switching in industrial automation, machinery control and power management systems. As part of the established Finder Series 66 power relay range, it combines double-pole changeover contacts, reinforced electrical insulation and a flange-mounted construction for dependable operation in demanding industrial environments.

The Finder 66.82.8.240.4000 features a double-pole double-throw (DPDT / 2 CO) contact arrangement, allowing two independent electrical circuits to be switched through a single electromagnetic coil. Its silver tin oxide (AgSnO2) contacts provide durable switching performance, while reinforced insulation between the coil and contacts helps maintain effective electrical separation between the control and load circuits.

With a 240 V AC nominal operating coil, 30 A normally open contact rating and 250 V AC rated contact voltage, the Finder 66.82.8.240.4000 is suitable for industrial heating equipment, HVAC systems, machinery and electrical power control applications. Its top flange mounting and Faston 250 quick-connect terminals allow convenient installation within electrical control panels and industrial equipment.

Key Advantages

• Robust 30 A electromechanical power relay for industrial electrical switching.
• 240 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 and 10 A normally closed contact ratings for resistive loads.
• Silver tin oxide (AgSnO2) contact material for dependable electrical switching.
• Reinforced insulation between coil and contacts for improved electrical separation.
• Top flange-mounted construction provides secure mechanical installation.
• Faston 250 quick-connect terminals simplify wiring, maintenance and replacement.
• Non-latching electromagnetic operation provides straightforward switching control.
• Designed for dependable operation across a wide industrial temperature range.

Key Features

• Finder Series 66 high-current power relay.
• 66.82 flange-mounted relay construction.
• 240 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.
• 15 mA nominal coil current.
• 5.5 kΩ nominal coil resistance.
• Faston 250 terminals measuring 6.3 × 0.8 mm.
• Reinforced coil-to-contact insulation with 8 mm creepage and clearance distances.
• 6 kV impulse withstand voltage between coil and contacts.
• 8 ms typical operating time.
• 100,000 electrical operations rated endurance under specified test conditions.
• 10 million mechanical operations rated endurance.
• −40 to +70 °C ambient operating temperature range.

Reliable High-Current Switching for Industrial Control Systems

Electromechanical power relays such as the Finder 66.82.8.240.4000 provide an effective method of controlling electrical loads through a separate AC-powered electromagnetic control circuit. When the 240 V AC coil is energised, the relay mechanism transfers its changeover contacts from their normally closed positions to their normally open positions. This allows connected electrical equipment to be controlled without routing the full load current 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 provide reliable switching performance, while the top flange-mounted housing and Faston 250 terminals simplify integration into electrical control panels and industrial equipment. The double-pole changeover arrangement provides flexibility for power switching, circuit selection and auxiliary control applications.

Typical Applications

• Industrial automation and electrical control systems.
• High-current electrical power switching circuits.
• Heating, ventilation and air conditioning (HVAC) equipment.
• Industrial heating systems, boilers and furnaces.
• Industrial ovens, burners and temperature control equipment.
• Industrial machinery and manufacturing equipment.
• Commercial washing machines and processing equipment.
• Electrical distribution and power management assemblies.
• Motor and auxiliary equipment switching within rated limits.
• Backup generators and industrial power control equipment.
• OEM electrical panels and machinery control assemblies.
• Industrial systems requiring double-pole changeover switching.